Patent application number | Description | Published |
20090004707 | Process for Producing Glycolic Acid from Formaldehyde And Hydrogen Cyanide - A process is provided for producing glycolic acid from formaldehyde and hydrogen cyanide. More specifically, heat-treated formaldehyde and hydrogen cyanide are reacted to produce glycolonitrile having low concentrations of impurities. The glycolonitrile is subsequently converted to an aqueous solution of ammonium glycolate using an enzyme catalyst having nitrilase activity derived from | 01-01-2009 |
20090004708 | Process For Producing Glycolic Acid From Formaldehyde And Hydrogen Cyanide - A process is provided for producing glycolic acid from formaldehyde and hydrogen cyanide. More specifically, heat-treated formaldehyde and hydrogen cyanide are reacted to produce glycolonitrile having low concentrations of impurities. The glycolonitrile is subsequently converted to an aqueous solution of ammonium glycolate using an enzyme catalyst having nitrilase activity derived from | 01-01-2009 |
20090004709 | Process For Producing Glycolic Acid From Formaldehyde and Hydrogen Cyanide - A process is provided for producing glycolic acid from formaldehyde and hydrogen cyanide. More specifically, heat-treated formaldehyde and hydrogen cyanide are reacted to produce glycolonitrile having low concentrations of impurities. The glycolonitrile is subsequently converted to an aqueous solution of ammonium glycolate using an enzyme catalyst having nitrilase activity derived from | 01-01-2009 |
20090004710 | Process For Producing Glycolic Acid From Formaldehyde And Hydrogen Cyanide - A process is provided for producing glycolic acid from formaldehyde and hydrogen cyanide. More specifically, heat-treated formaldehyde and hydrogen cyanide are reacted to produce glycolonitrile having low concentrations of impurities. The glycolonitrile is subsequently converted to an aqueous solution of ammonium glycolate using an enzyme catalyst having nitrilase activity derived from | 01-01-2009 |
20090004711 | Process For Producing Glycolic Acid From Formaldehyde And Hydrogen Cyanide - A process is provided for producing glycolic acid from formaldehyde and hydrogen cyanide. More specifically, heat-treated formaldehyde and hydrogen cyanide are reacted to produce glycolonitrile having low concentrations of impurities. The glycolonitrile is subsequently converted to an aqueous solution of ammonium glycolate using an enzyme catalyst having nitrilase activity derived from | 01-01-2009 |
20090005590 | Production Of Peracids Using An Enzyme Having Perhydrolysis Activity - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 01-01-2009 |
20090011482 | Process For Producing Glycolic Acid From Formaldehyde And Hydrogen Cyanide - A process is provided for producing glycolic acid from formaldehyde and hydrogen cyanide. More specifically, heat-treated formaldehyde and hydrogen cyanide are reacted to produce glycolonitrile having low concentrations of impurities. The glycolonitrile is subsequently converted to an aqueous solution of ammonium glycolate using an enzyme catalyst having nitrilase activity derived from | 01-08-2009 |
20090011483 | Process For Producing Glycolic Acid From Formaldehyde And Hydrogen Cyanide - A process is provided for producing glycolic acid from formaldehyde and hydrogen cyanide. More specifically, heat-treated formaldehyde and hydrogen cyanide are reacted to produce glycolonitrile having low concentrations of impurities. The glycolonitrile is subsequently converted to an aqueous solution of ammonium glycolate using an enzyme catalyst having nitrilase activity derived from | 01-08-2009 |
20090023959 | Process for making dibutyl ethers from dry 1-butanol - The present invention relates to a process for making dibutyl ethers using dry 1-butanol derived from fermentation broth. The dibutyl ethers so produced are useful in transportation fuels. | 01-22-2009 |
20090035841 | Enzymatic Production Of Glycolic Acid - Various methods are provided for the enzymatic production of glycolic acid from glycolonitrile. These methods include: 1) use of | 02-05-2009 |
20090036716 | Process for making dibutyl ethers from aqueous 1-butanol - The present invention relates to a catalytic process for making dibutyl ethers using a reactant comprising 1-butanol and water. The dibutyl ethers so produced are useful in transportation fuels. | 02-05-2009 |
20090111148 | IMMOBILIZED MICROBIAL NITRILASE FOR PRODUCTION OF GLYCOLIC ACID - The present invention is directed to a process for improving the specific activity of a dehydrated enzyme catalyst having nitrilase activity for hydrolysis of glycolonitrile to glycolic acid upon rehydration. In particular, a process is provided comprising pretreating an enzyme catalyst having nitrilase activity with glutaraldehyde, immobilizing the gutaraldehyde-preteated enzyme catalyst and chemically cross-linking the enzyme catalyst prior to dehydration. Upon rehydration, the enzyme catalyst exhibits improved specific nitrilase activity as compared to enzyme catalysts having nitrilase activity that are dehydrated and rehydrated without the processing described herein. | 04-30-2009 |
20090111158 | IMMOBILIZED MICROBIAL NITRILASE FOR PRODUCTION OF GLYCOLIC ACID - The present invention provides a process for preparing an enzyme catalyst having nitrilase activity for hydrolysis of glycolonitrile to glycolic acid with improved retention of recovered catalyst activity in consecutive batch reactions with catalyst recycle, said process comprising pretreating the enzyme catalyst with glutaraldehyde. The glutaraldehyde-pretreated enzyme catalyst has improved specific activity when compared to non-glutaraldehyde-pretreated enzyme catalysts, and thereby, has improved overall catalyst activity and productivity. | 04-30-2009 |
20090111162 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 04-30-2009 |
20090143555 | COPOLYMERS COMPRISING TRIMETHYLENE CARBONATE AND POLY(TRIMETHYLENE ETHER) GLYCOLS - The present invention relates to novel copolymers comprising unsubstituted or R-substituted trimethylene carbonate and poly(trimethylene ether)glycol. The copolymers find use in areas including personal care, coatings and lubricants. | 06-04-2009 |
20090143562 | PROCESS TO MAKE POLY(TRIMETHYLENE CARBONATE) GLYCOL - This invention relates to the production of poly(trimethylene carbonate) glycol via the polymerization of trimethylene carbonate employing one or more acidic ion exchange resin catalysts in the presence of a solvent. The products formed are substantially free of these catalysts. | 06-04-2009 |
20090143563 | HYDROTALCITE CATALYZED POLYMERIZATION OF TRIMETHYLENE CARBONATE - The present invention relates to the use of hydrotalcites as catalysts for the polymerization of unsubstituted or substituted trimethylene carbonate. | 06-04-2009 |
20090143564 | PROCESSES FOR THE POLYMERIZATION OF TRIMETHYLENE CARBONATE TO POLY(TRIMETHYLENE GLYCOL CARBONATE TRIMETHYLENE GLYCOL ETHER) DIOL - This invention relates to solventless processes for the polymerization of an unsubstituted or substituted trimethylene carbonate to an unsubstituted or substituted poly(1,3-propanediol carbonate 1,3-propanediol ether)diol, using one or more solid acid catalysts. | 06-04-2009 |
20090143624 | COMPOSITIONS OF AND PROCESSES FOR PRODUCING POLY(TRIMETHYLENE GLYCOL CARBONATE TRIMETHYLENE GLYCOL ETHER) DIOL - This invention relates to compositions of and processes for producing an unsubstituted or R-substituted poly(trimethylene glycol carbonate trimethylene glycol ether)diol. The processes use acidic ion exchange resins and include solvents. | 06-04-2009 |
20090233339 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 09-17-2009 |
20090239948 | Enzymatic Production Of Peracids Using Perhydrolytic Enzymes - A process is provided to produce a concentrated aqueous peracid solution in situ using at least one enzyme having perhydrolase activity in the presence of hydrogen peroxide (at a concentration of at least 500 mM) under neutral to acidic reaction conditions from suitable carboxylic acid esters (including glycerides) and/or amides substrates. The concentrated peracid solution produced is sufficient for use in a variety of disinfection and/or bleaching applications. | 09-24-2009 |
20090247631 | Enzymatic Production Of Peracids Using Perhydrolytic Enzymes - A process is provided to produce a concentrated aqueous peracid solution in situ using at least one enzyme having perhydrolase activity in the presence of hydrogen peroxide (at a concentration of at least 500 mM) under neutral to acidic reaction conditions from suitable carboxylic acid esters (including glycerides) and/or amides substrates. The concentrated peracid solution produced is sufficient for use in a variety of disinfection and/or bleaching applications. | 10-01-2009 |
20090305366 | Production Of Peracids Using An Enzyme Having Perhydrolysis Activity - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 12-10-2009 |
20090311763 | Production Of Peracids Using An Enzyme Having Perhydrolysis Activity - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 12-17-2009 |
20090312420 | Production Of Peracids Using An Enzyme Having Perhydrolysis Activity - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 12-17-2009 |
20090325249 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 12-31-2009 |
20090325250 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 12-31-2009 |
20090325266 | Production Of Peracids Using An Enzyme Having Perhydrolysis Activity - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 12-31-2009 |
20100016429 | Enzymatic Production Of Peracids Using Perhydrolytic Enzymes - A process is provided to produce a concentrated aqueous peracid solution in situ using at least one enzyme having perhydrolase activity in the presence of hydrogen peroxide (at a concentration of at least 500 mM) under neutral to acidic reaction conditions from suitable carboxylic acid esters (including glycerides) and/or amides substrates. The concentrated peracid solution produced is sufficient for use in a variety of disinfection and/or bleaching applications. | 01-21-2010 |
20100041752 | Production of peracids using an enzyme having perhydrolysis activity - A method is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity derived from | 02-18-2010 |
20100048448 | Control Of Enzymatic Peracid Generation - A process is provided for producing target concentrations of peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity under conditions where control of reaction pH by selection of buffer concentration and concentration of perhydrolase and reactants produces a targeted concentration of peroxycarboxylic acids. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided, as are corresponding methods of use. | 02-25-2010 |
20100086510 | ENZYMATIC PERACID GENERATION FORMULATION - Disclosed herein are multi-component formulations for enzymatically producing aqueous solutions of peroxycarboxylic acids suitable for use in, e.g., disinfectant and/or bleaching applications. The multi-component peroxycarboxylic acid formulations comprise at least one carbohydrate esterase family 7 enzyme having perhydrolytic activity. | 04-08-2010 |
20100086534 | STABILIZATION OF PERHYDROLASES - Disclosed herein are enzyme powders comprising a spray-dried formulation of at least one CE-7 esterase, at least one oligosaccharide excipient, and optionally at least one surfactant. Also disclosed herein is a process for producing peroxycarboxylic acids from carboxylic acid esters using the aforementioned enzyme powders. Further, disinfectant and laundry care formulations comprising the peracids produced by the processes described herein are provided. | 04-08-2010 |
20100086535 | STABILIZATION OF PERHYDROLASES - Disclosed herein is a method for stabilization of the perhydrolase activity of the CE-7 esterase in a formulation with a carboxylic acid ester that employs the addition of a buffering agent, substantially undissolved, to the mixture of the CE-7 esterase and the carboxylic acid ester. Further, disinfectant and laundry care formulations comprising the peracids produced by the processes described herein are provided. | 04-08-2010 |
20100086621 | MULTI-COMPONENT PERACID GENERATION SYSTEM - Disclosed herein are multi-component peroxycarboxylic acid generation systems for enzymatically producing aqueous formulations of peroxycarboxylic acids suitable for use in, e.g., disinfectant and/or bleaching applications. The multi-component peroxycarboxylic acid generation systems comprise at least one carbohydrate esterase family 7 enzyme having perhydrolytic activity. | 04-08-2010 |
20100087528 | ENZYMATIC PERACID PRODUCTION USING A COSOLVENT - Disclosed herein are two-component enzymatic peracid generation systems and methods of using such systems wherein the first component comprises a formulation of at least one enzyme catalyst having perhydrolysis activity, a carboxylic acid ester substrate, and a cosolvent and wherein the second component comprises a source of peroxygen in water. The two components are combined to produce an aqueous peracid formulation useful as, e.g., a disinfecting or bleaching agent. Specifically, organic cosolvents are used to control the viscosity of a substrate-containing component and to enhance the solubility of the substrate in an aqueous reaction formulation without causing substantial loss of perhydrolytic activity of the enzyme catalyst. | 04-08-2010 |
20100087529 | PERHYDROLASES FOR ENZYMATIC PERACID GENERATION - Disclosed herein are variants enzymes that are structurally classified as CE-7 enzymes and have perhydrolysis activity. Also disclosed herein is a process for producing peroxycarboxylic acids from carboxylic acid esters using the aforementioned variant enzymes as well as methods and compositions comprising the variant enzymes. Further, disinfectant formulations comprising the peroxycarboxylic acids produced by the processes described herein are provided. | 04-08-2010 |
20100136639 | Production Of Peracids Using An Enzyme Having Perhydrolysis Activity - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 06-03-2010 |
20100136656 | IMMOBILIZED MICROBIAL NITRILASE FOR PRODUCTION OF GLYCOLIC ACID - The present invention is directed to a process for improving the specific activity of a dehydrated enzyme catalyst having nitrilase activity for hydrolysis of glycolonitrile to glycolic acid upon rehydration. In particular, a process is provided comprising pretreating an enzyme catalyst having nitrilase activity with glutaraldehyde, immobilizing the gutaraldehyde-preteated enzyme catalyst and chemically cross-linking the enzyme catalyst prior to dehydration. Upon rehydration, the enzyme catalyst exhibits improved specific nitrilase activity as compared to enzyme catalysts having nitrilase activity that are dehydrated and rehydrated without the processing described herein. | 06-03-2010 |
20100152292 | Production of Peracids Using An Enzyme Having Perhydrolysis Activity - A method is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity derived from | 06-17-2010 |
20100168234 | PRODUCTION OF PERACIDS USING AN ENZYME HAVING PERHYDROLYSIS ACTIVITY - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 07-01-2010 |
20100168235 | PRODUCTION OF PERACIDS USING AN ENZYME HAVING PERHYDROLYSIS ACTIVITY - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 07-01-2010 |
20100168236 | PRODUCTION OF PERACIDS USING AN ENZYME HAVING PERHYDROLYSIS ACTIVITY - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 07-01-2010 |
20100168237 | PRODUCTION OF PERACIDS USING AN ENZYME HAVING PERHYDROLYSIS ACTIVITY - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 07-01-2010 |
20100196975 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 08-05-2010 |
20100196976 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 08-05-2010 |
20100221797 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 09-02-2010 |
20100240108 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 09-23-2010 |
20100240109 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 09-23-2010 |
20100240110 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 09-23-2010 |
20100240111 | SEQUESTRATION OF FORMALDEHYDE TO STABILIZE NITRILASE SPECIFIC ACTIVITY WHEN CONVERTING GLYCOLONITRILE TO GLYCOLIC ACID - A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst. | 09-23-2010 |
20110081693 | PERHYDROLASE FOR ENZYMATIC PERACID PRODUCTION - A process is provided for rapidly producing target concentrations of peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with a source of peroxygen, such as hydrogen peroxide, in the presence of an enzyme catalyst comprising an enzyme having identity to an acetyl xylan esterase from | 04-07-2011 |
20110136907 | PERHYDROLASE PROVIDING IMPROVED PERACID STABILITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-09-2011 |
20110136908 | PERHYDROLASE PROVIDING IMPROVED PERACID STABILITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-09-2011 |
20110150857 | PERHYDROLASE PROVIDING IMPROVED PERACID STABILITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-23-2011 |
20110152368 | PERHYDROLASE PROVIDING IMPROVED PERACID STABILITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-23-2011 |
20110152369 | PERHYDROLASE PROVIDING IMPROVED PERACID STABILITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-23-2011 |
20110152370 | PERHYDROLASE PROVIDING IMPROVED PERACID STABILITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-23-2011 |
20110177148 | ENZYMATIC IN SITU PREPARATION OF PERACID-BASED REMOVABLE ANTIMICROBIAL COATING COMPOSITIONS AND METHODS OF USE - In-situ enzymatic preparation of peracid-based removable antimicrobial coating compositions and their methods of use for controlling microorganisms at various loci are disclosed. | 07-21-2011 |
20110195060 | PRODUCTION OF PERACIDS USING AN ENZYME HAVING PERHYDROLYSIS ACTIVITY - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydroiase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 08-11-2011 |
20110236335 | PERHYDROLASE PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 09-29-2011 |
20110236336 | PERHYDROLASE PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 09-29-2011 |
20110236337 | PERHYDROLASE PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 09-29-2011 |
20110236338 | PERHYDROLASE PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 09-29-2011 |
20110236339 | PERHYDROLASE PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 09-29-2011 |
20110244535 | Production Of Peracids Using An Enzyme Having Perhydrolysis Activity - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 10-06-2011 |
20110250673 | FACILITATED PROCESS FOR PURIFICATION OF PROTEINS - A two-stage heat treatment process is provided to improve the processability of recombinant microbial biomass comprising an enzyme having perhydrolytic activity. More specifically, a process is provided to treat the recombinant microbial biomass comprising a | 10-13-2011 |
20110300121 | Stabilization Of Perhydrolases - Disclosed herein is a method for stabilization of the perhydrolase activity of the CE-7 esterase in a formulation with a carboxylic acid ester that employs the addition of a buffering agent, substantially undissolved, to the mixture of the CE-7 esterase and the carboxylic acid ester. Further, disinfectant and laundry care formulations comprising the peracids produced by the processes described herein are provided. | 12-08-2011 |
20110305683 | Stabilization Of Perhydrolases - Disclosed herein is a method for stabilization of the perhydrolase activity of the CE-7 esterase in a formulation with a carboxylic acid ester that employs the addition of a buffering agent, substantially undissolved, to the mixture of the CE-7 esterase and the carboxylic acid ester. Further, disinfectant and laundry care formulations comprising the peracids produced by the processes described herein are provided. | 12-15-2011 |
20110306103 | Stabilization Of Perhydrolases - Disclosed herein is a method for stabilization of the perhydrolase activity of the CE-7 esterase in a formulation with a carboxylic acid ester that employs the addition of a buffering agent, substantially undissolved, to the mixture of the CE-7 esterase and the carboxylic acid ester. Further, disinfectant and laundry care formulations comprising the peracids produced by the processes described herein are provided. | 12-15-2011 |
20110306667 | Stabilization Of Perhydrolases - Disclosed herein is a method for stabilization of the perhydrolase activity of the CE-7 esterase in a formulation with a carboxylic acid ester that employs the addition of a buffering agent, substantially undissolved, to the mixture of the CE-7 esterase and the carboxylic acid ester. Further, disinfectant and laundry care formulations comprising the peracids produced by the processes described herein are provided. | 12-15-2011 |
20110312043 | EXTRACTION SOLVENTS DERIVED FROM OIL FOR ALCOHOL REMOVAL IN EXTRACTIVE FERMENTATION - In an alcohol fermentation process, oil derived from biomass is hydrolyzed into an extractant available for in situ removal of a product alcohol such as butanol from a fermentation broth. The glycerides in the oil can be catalytically (e.g., enzymatically) hydrolyzed into free fatty acids, which form a fermentation product extractant having a partition coefficient for a product alcohol greater than a partition coefficient of the oil of the biomass for the product alcohol. Oil derived from a feedstock of an alcohol fermentation process can be hydrolyzed by contacting the feedstock including the oil with one or more enzymes whereby at least a portion of the oil is hydrolyzed into free fatty acids forming a fermentation product extractant, or the oil can be separated from the feedstock prior to the feedstock being fed to a fermentation vessel, and the separated oil can be contacted with the enzymes to form the fermentation product extractant. The fermentation product extractant can be contacted with a fermentation broth for in situ removal of a product alcohol. | 12-22-2011 |
20110312053 | SUPPLEMENTATION OF FATTY ACIDS FOR IMPROVING ALCOHOL PRODUCTIVITY - Fatty acids derived from biomass at a step in a fermentation process can be added to a fermentation medium comprising a recombinant microorganism that produces a product alcohol. At least one of growth rate and fermentable carbon consumption of the microorganism is greater in the presence of the fatty acids than the growth rate and the fermentable carbon consumption of the microorganism in the absence of the fatty acids. The addition of the fatty acids can increase glucose consumption, and can improve microorganism biomass production (cell growth/density) and growth rate, thereby reducing production time and increasing productivity of the fermentation process. | 12-22-2011 |
20120016025 | PERHYDROLASES FOR ENZYMATIC PERACID GENERATION - Disclosed herein are variants enzymes that are structurally classified as CE-7 enzymes and have perhydrolysis activity. Also disclosed herein is a process for producing peroxycarboxylic acids from carboxylic acid esters using the aforementioned variant enzymes as well as methods and compositions comprising the variant enzymes. Further, disinfectant formulations comprising the peroxycarboxylic acids produced by the processes described herein are provided. | 01-19-2012 |
20120094342 | ENZYMATIC PERACID PRODUCTION USING A COSOLVENT - Disclosed herein are two-component enzymatic peracid generation systems and methods of using such systems wherein the first component comprises a formulation of at least one enzyme catalyst having perhydrolysis activity, a carboxylic acid ester substrate, and a cosolvent and wherein the second component comprises a source of peroxygen in water. The two components are combined to produce an aqueous peracid formulation useful as, e.g., a disinfecting or bleaching agent. Specifically, organic cosolvents are used to control the viscosity of a substrate-containing component and to enhance the solubility of the substrate in an aqueous reaction formulation without causing substantial loss of perhydrolytic activity of the enzyme catalyst. | 04-19-2012 |
20120122979 | CONTROL OF ENZYMATIC PERACID GENERATION - A process is provided for producing target concentrations of peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity under conditions where control of reaction pH by selection of buffer concentration and concentration of perhydrolase and reactants produces a targeted concentration of peroxycarboxylic acids. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided, as are corresponding methods of use. | 05-17-2012 |
20120156155 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-21-2012 |
20120156156 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-21-2012 |
20120156157 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-21-2012 |
20120156158 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-21-2012 |
20120156159 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-21-2012 |
20120156160 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-21-2012 |
20120156161 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-21-2012 |
20120156162 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 06-21-2012 |
20120156738 | PRODUCTION OF ALCOHOL ESTERS AND IN SITU PRODUCT REMOVAL DURING ALCOHOL FERMENTATION - An alcohol fermentation process and composition that includes production of alcohol esters by esterification of product alcohol in a fermentation medium with a carboxylic acid (e.g., fatty acid) and a catalyst (e.g., lipase) capable of esterifying the product alcohol, such as butanol, with the carboxylic acid to form the alcohol esters. The alcohol esters can be extracted from the fermentation medium, and the product alcohol recovered from the alcohol esters. The carboxylic acid can also serve as an extractant for removal of the alcohol esters from the fermentation medium. | 06-21-2012 |
20120208246 | PRODUCTION OF ALCOHOL ESTERS AND IN SITU PRODUCT REMOVAL DURING ALCOHOL FERMENTATION - An alcohol fermentation process and composition that includes production of alcohol esters by esterification of product alcohol in a fermentation medium with a carboxylic acid (e.g., fatty acid) and a catalyst (e.g., lipase) capable of esterifying the product alcohol, such as butanol, with the carboxylic acid to form the alcohol esters. The alcohol esters can be extracted from the fermentation medium, and the product alcohol recovered from the alcohol esters. The carboxylic acid can also serve as an extractant for removal of the alcohol esters from the fermentation medium. | 08-16-2012 |
20120276609 | Stabilization Of Perhydrolases - Disclosed herein are enzyme powders comprising a spray-dried formulation of at least one CE-7 esterase, at least one oligosaccharide excipient, and optionally at least one surfactant. Also disclosed herein is a process for producing peroxycarboxylic acids from carboxylic acid esters using the aforementioned enzyme powders. Further, disinfectant and laundry care formulations comprising the peracids produced by the processes described herein are provided. | 11-01-2012 |
20120317733 | ENZYMATIC PERACID GENERATION FOR USE IN HAIR CARE PRODUCTS - Disclosed herein are compositions and methods to treat hair with a peracid-based benefit agent. The peracid benefit agent can be used for hair bleaching, hair weakening, hair removal, hair waiving, hair straightening or any combination thereof. The peracid may be enzymatically generated from a carboxylic acid ester substrate using an enzyme having perhydrolytic activity (perhydrolase) in the presence of a source of peroxygen. A fusion protein comprising the perhydrolase coupled to a hair-binding domain, either directly or through an optional linker, may be used to target the perhydrolytic activity to the hair surface. | 12-20-2012 |
20120321581 | TARGETED PERHYDROLASES - Disclosed herein are compositions and methods to target enzymatic peracid production to a target surface. The peracid benefit agent produced by the targeted perhydrolytic enzyme can be use for a variety of applications such as bleaching, whitening, disinfecting, destaining, deodorizing, and combinations thereof. Specifically, a fusion protein comprising a perhydrolytic enzyme and at least one peptidic component having affinity for a target surface (excluding body surfaces and oral care surfaces) is used in combination with a suitable substrate and a source of peroxygen to enzymatically produce a peracid on or near the surface of the target material. In a preferred aspect, the target surface is a cellulosic material. | 12-20-2012 |
20120322117 | ENZYMATIC PRODUCTION OF ALCOHOL ESTERS FOR RECOVERY OF DIOLS PRODUCED BY FERMENTATION - Diols produced in fermentation are processed in broth by esterification of the product diol with a carboxylic acid (e.g., fatty acid) and a catalyst (e.g., lipase) capable of esterifying the product diol, such as 1,3-propanediol, with the carboxylic acid to form the diol esters. The diol esters can be extracted from the broth, and the product diol recovered from the diol esters. The carboxylic acid can also serve as an extractant for removal of the diol esters from the fermentation medium. | 12-20-2012 |
20120328534 | ENZYMATIC PERACID GENERATION FOR USE IN ORAL CARE PRODUCTS - Disclosed herein are compositions and methods to treat an oral cavity surface with a peracid-based benefit agent. The peracid benefit agent can be use for oral surface bleaching, whitening, disinfecting, destaining, deodorizing, decreasing or removing biofilm, and combinations thereof. The peracid is enzymatically generated from a carboxylic acid ester substrate using a CE-7 carbohydrate esterase having perhydrolytic activity (perhydrolase) in the presence of a source of peroxygen. A fusion protein comprising the perhydrolase coupled to a peptidic component having affinity for an oral cavity surface, either directly or through an optional linker, may be used to target the perhydrolytic activity to the oral cavity surface. | 12-27-2012 |
20130004479 | ENZYMATIC PERACID GENERATION FORMULATION - Disclosed herein are multi-component formulations for enzymatically producing aqueous solutions of peroxycarboxylic acids suitable for use in, e.g., disinfectant and/or bleaching applications. The multi-component peroxycarboxylic acid formulations comprise at least one carbohydrate esterase family 7 enzyme having perhydrolytic activity. | 01-03-2013 |
20130040340 | PRODUCTION OF ALCOHOL ESTERS IN SITU USING ALCOHOLS AND FATTY ACIDS PRODUCED BY MICROORGANISMS - Fatty acid alcohol esters that may be used as biodiesel are synthesized from microbially produced alcohol and fatty acids using an in situ process. The process utilizes a catalyst capable of esterifying the alcohol and fatty acid products of microorganisms, which are produced from renewable resources. | 02-14-2013 |
20130071891 | IN SITU EXPRESSION OF LIPASE FOR ENZYMATIC PRODUCTION OF ALCOHOL ESTERS DURING FERMENTATION - Disclosed herein are methods of producing alcohol esters during a fermentation by providing alcohol-producing microorganisms which further comprise an engineered polynucleotide encoding a polypeptide having lipase activity. | 03-21-2013 |
20130089900 | Extraction Solvents Derived from Oil for Alcohol Removal in Extractive Fermentation - In an alcohol fermentation process, oil derived from biomass is hydrolyzed into an extractant available for in situ removal of a product alcohol such as butanol from a fermentation broth. The glycerides in the oil can be catalytically (e.g., enzymatically) hydrolyzed into free fatty acids, which form a fermentation product extractant having a partition coefficient for a product alcohol greater than a partition coefficient of the oil of the biomass for the product alcohol. Oil derived from a feedstock of an alcohol fermentation process can be hydrolyzed by contacting the feedstock including the oil with one or more enzymes whereby at least a portion of the oil is hydrolyzed into free fatty acids forming a fermentation product extractant, or the oil can be separated from the feedstock prior to the feedstock being fed to a fermentation vessel, and the separated oil can be contacted with the enzymes to form the fermentation product extractant. The fermentation product extractant can be contacted with a fermentation broth for in situ removal of a product alcohol. | 04-11-2013 |
20130102664 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 04-25-2013 |
20130102665 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 04-25-2013 |
20130102666 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 04-25-2013 |
20130102667 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 04-25-2013 |
20130102668 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 04-25-2013 |
20130102669 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 04-25-2013 |
20130102670 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 04-25-2013 |
20130102671 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 04-25-2013 |
20130102672 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 04-25-2013 |
20130157324 | IN SITU EXPRESSION OF LIPASE FOR ENZYMATIC PRODUCTION OF ALCOHOL ESTERS DURING FERMENTATION - Disclosed herein are methods of producing alcohol esters during a fermentation by providing alcohol-producing microorganisms which further comprise an engineered polynucleotide encoding a polypeptide having lipase activity. | 06-20-2013 |
20130158115 | Perhydrolase Variant Providing Improved Specific Activity In the Presence of Surfactant - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a variant of the | 06-20-2013 |
20130158116 | Perhydrolase Variant Providing Improved Specific Activity In the Presence of Surfactant - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a variant of the | 06-20-2013 |
20130158117 | Perhydrolase Variant Providing Improved Specific Activity In the Presence of Surfactant - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a variant of the | 06-20-2013 |
20130158118 | Perhydrolase Variant Providing Improved Specific Activity In the Presence of Surfactant - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a variant of the | 06-20-2013 |
20130171217 | ENZYMATIC PERACID GENERATION FOR USE IN SKIN CARE PRODUCTS - Disclosed herein are compositions and methods to treat skin with a peracid-based benefit agent. The peracid benefit agent can be used for a benefit such as the prevention or treatment of acne, skin whitening, skin bleaching, skin conditioning, reducing the appearance of skin wrinkles, skin rejuvenation, reducing dermal adhesions, and preventing, reducing or eliminating body odors or any combination thereof. The peracid may be enzymatically generated from a carboxylic acid ester substrate using an enzyme having perhydrolytic activity (perhydrolase) in the presence of a source of peroxygen. A fusion protein comprising the perhydrolase coupled to a skin-binding domain, either directly or through an optional linker, may be used to target the perhydrolytic activity to the skin surface. | 07-04-2013 |
20130236935 | EXTRACTION SOLVENTS DERIVED FROM OIL FOR ALCOHOL REMOVAL IN EXTRACTIVE FERMENTATION - In an alcohol fermentation process, oil derived from biomass is hydrolyzed into an extractant available for in situ removal of a product alcohol such as butanol from a fermentation broth. The glycerides in the oil can be catalytically (e.g., enzymatically) hydrolyzed into free fatty acids, which form a fermentation product extractant having a partition coefficient for a product alcohol greater than a partition coefficient of the oil of the biomass for the product alcohol. Oil derived from a feedstock of an alcohol fermentation process can be hydrolyzed by contacting the feedstock including the oil with one or more enzymes whereby at least a portion of the oil is hydrolyzed into free fatty acids forming a fermentation product extractant, or the oil can be separated from the feedstock prior to the feedstock being fed to a fermentation vessel, and the separated oil can be contacted with the enzymes to form the fermentation product extractant. The fermentation product extractant can be contacted with a fermentation broth for in situ removal of a product alcohol. | 09-12-2013 |
20130261182 | ENZYMES USEFUL FOR PERACID PRODUCTION - Acetyl xylan esterases and variants thereof having perhydrolytic activity are provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. Multi-component peracid generation systems comprising an enzyme catalyst having perhydrolytic activity are also provided, as are methods of using the present enzyme catalyst to produce peroxycarboxylic acids. The polypeptide having perhydrolytic activity may be used to produce peroxycarboxylic acids suitable for use in a variety of applications such as cleaning, disinfecting, sanitizing, bleaching, wood pulp processing, paper pulp processing, and personal care applications. | 10-03-2013 |
20130288316 | ENZYMES USEFUL FOR PERACID PRODUCTION - Acetyl xylan esterases and variants thereof having perhydrolytic activity are provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. Multi-component peracid generation systems comprising an enzyme catalyst having perhydrolytic activity are also provided, as are methods of using the present enzyme catalyst to produce peroxycarboxylic acids. The polypeptide having perhydrolytic activity may be used to produce peroxycarboxylic acids suitable for use in a variety of applications such as cleaning, disinfecting, sanitizing, bleaching, wood pulp processing, paper pulp processing, and personal care applications. | 10-31-2013 |
20130289113 | ENZYMES USEFUL FOR PERACID PRODUCTION - Acetyl xylan esterases and variants thereof having perhydrolytic activity are provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. Multi-component peracid generation systems comprising an enzyme catalyst having perhydrolytic activity are also provided, as are methods of using the present enzyme catalyst to produce peroxycarboxylic acids. The polypeptide having perhydrolytic activity may be used to produce peroxycarboxylic acids suitable for use in a variety of applications such as cleaning, disinfecting, sanitizing, bleaching, wood pulp processing, paper pulp processing, and personal care applications. | 10-31-2013 |
20130289114 | ENZYMES USEFUL FOR PERACID PRODUCTION - Acetyl xylan esterases and variants thereof having perhydrolytic activity are provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. Multi-component peracid generation systems comprising an enzyme catalyst having perhydrolytic activity are also provided, as are methods of using the present enzyme catalyst to produce peroxycarboxylic acids. The polypeptide having perhydrolytic activity may be used to produce peroxycarboxylic acids suitable for use in a variety of applications such as cleaning, disinfecting, sanitizing, bleaching, wood pulp processing, paper pulp processing, and personal care applications. | 10-31-2013 |
20130289115 | ENZYMES USEFUL FOR PERACID PRODUCTION - Acetyl xylan esterases and variants thereof having perhydrolytic activity are provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. Multi-component peracid generation systems comprising an enzyme catalyst having perhydrolytic activity are also provided, as are methods of using the present enzyme catalyst to produce peroxycarboxylic acids. The polypeptide having perhydrolytic activity may be used to produce peroxycarboxylic acids suitable for use in a variety of applications such as cleaning, disinfecting, sanitizing, bleaching, wood pulp processing, paper pulp processing, and personal care applications. | 10-31-2013 |
20140073029 | TARGETED PERHYDROLASES - Disclosed herein are compositions and methods to target enzymatic peracid production to a target surface. The peracid benefit agent produced by the targeted perhydrolytic enzyme can be use for a variety of applications such as bleaching, whitening, disinfecting, destaining, deodorizing, and combinations thereof. Specifically, a fusion protein comprising a perhydrolytic enzyme and at least one peptidic component having affinity for a target surface (excluding body surfaces and oral care surfaces) is used in combination with a suitable substrate and a source of peroxygen to enzymatically produce a peracid on or near the surface of the target material. In a preferred aspect, the target surface is a cellulosic material. | 03-13-2014 |
20140113966 | PERHYDROLASE VARIANT PROVIDING IMPROVED SPECIFIC ACTIVITY - An acetyl xylan esterase variant having perhydrolytic activity is provided for producing peroxycarboxylic acids from carboxylic acid esters and a source of peroxygen. More specifically, a | 04-24-2014 |
20140142352 | BUTANOL PURIFICATION - Provided herein are processes for adjusting a fermentation medium to reduce the activity of one or more carboxylic acids. The processes comprise (a) providing a recombinant microorganism comprising an engineered butanol biosynthetic pathway, (b) contacting the recombinant microorganism with a fermentation medium whereby butanol is produced and wherein the fermentation medium comprises one or more carboxylic acids, and (c) adjusting the fermentation medium to reduce the activity of the one or more carboxylic acids. Also provided are processes for reducing the activity of one or more carboxylic acids in a feed. The processes comprise (a) providing a feed from a fermentation vessel, wherein the feed comprises a composition produced by a recombinant microorganism comprising an engineered butanol biosynthetic pathway, wherein the composition comprises butanol, water, and one or more carboxylic acids; and (b) adjusting the feed, wherein adjusting the feed reduces the activity of the one or more carboxylic acids. | 05-22-2014 |
20140162344 | IN SITU EXPRESSION OF LIPASE FOR ENZYMATIC PRODUCTION OF ALCOHOL ESTERS DURING FERMENTATION - Disclosed herein are methods of producing alcohol esters during a fermentation by providing alcohol-producing microorganisms which further comprise an engineered polynucleotide encoding a polypeptide having lipase activity. | 06-12-2014 |
20140178529 | ENZYMATIC PRODUCTION OF ALCOHOL ESTERS FOR RECOVERY OF DIOLS PRODUCED BY FERMENTATION - Diols produced in fermentation are processed in broth by esterification of the product diol with a carboxylic acid (e.g., fatty acid) and a catalyst (e.g., lipase) capable of esterifying the product diol, such as 1,3-propanediol, with the carboxylic acid to form the diol esters. The diol esters can be extracted from the broth, and the product diol recovered from the diol esters. The carboxylic acid can also serve as an extractant for removal of the diol esters from the fermentation medium. | 06-26-2014 |
20140256020 | IN SITU EXPRESSION OF LIPASE FOR ENZYMATIC PRODUCTION OF ALCOHOL ESTERS DURING FERMENTATION - Disclosed herein are methods of producing alcohol esters during a fermentation by providing alcohol-producing microorganisms which further comprise an engineered polynucleotide encoding a polypeptide having lipase activity. | 09-11-2014 |
20140314829 | PERACID-GENERATING COMPOSITIONS - Described herein are tooth whitening strips comprising an hydratable adhesive film having a granular bleaching ingredient attached thereto, wherein upon hydration, the granular bleaching ingredient releases hydrogen peroxide which is used by an enzyme catalyst having perhydrolytic activity to enzymatically produce an effective amount of peracid bleaching agent from an acyl donor substrate. Methods of making and use the tooth whitening strips are also provided. | 10-23-2014 |
20140363865 | SUPPLEMENTATION OF FATTY ACIDS FOR IMPROVING ALCOHOL PRODUCTIVITY - Fatty acids derived from biomass at a step in a fermentation process can be added to a fermentation medium comprising a recombinant microorganism that produces a product alcohol. At least one of growth rate and fermentable carbon consumption of the microorganism is greater in the presence of the fatty acids than the growth rate and the fermentable carbon consumption of the microorganism in the absence of the fatty acids. The addition of the fatty acids can increase glucose consumption, and can improve microorganism biomass production (cell growth/density) and growth rate, thereby reducing production time and increasing productivity of the fermentation process. | 12-11-2014 |