Patent application number | Description | Published |
20100286440 | Vinyl Ester production from Acetylene and Carboxylic Acid utilizing homogeneous catalyst - A process for the selective production of vinyl ester by the reaction of a carboxylic acid with acetylene with a homogeneous catalyst is disclosed and claimed. In a preferred embodiment of this invention, reaction of benzoic acid and acetylene in the presence of Group VIII metal complex catalyst at a temperature of about 50 to 180° C. results in quantitative yields of vinyl benzoate. | 11-11-2010 |
20100286441 | Vinyl Ester production from Acetylene and Carboxylic Acid utilizing heterogeneous catalyst - A process for the selective production of vinyl ester by the reaction of a carboxylic acid with acetylene under heterogeneous catalytic conditions is disclosed and claimed. In a preferred embodiment of this invention, reaction of benzoic acid and acetylene in the presence of supported platinum catalyst at a temperature of from about 100 to 180° C. results in quantitative yields of vinyl benzoate. | 11-11-2010 |
20120036769 | INTEGRATED PROCESS FOR PRODUCING ALCOHOLS FROM A MIXED ACID FEED - Processes for producing alcohols such as ethanol and propanol from a mixed acid feedstock in an integrated process. In one embodiment, the process comprises the step of carbonylating methanol in the presence of a carbonylation catalyst to form a mixed acid feedstock comprising acetic acid and one or more higher acids, preferably comprising propionic acid. The mixed acid feed is hydrogenated in the presence of a hydrogenation catalyst to form a crude alcohol product comprising ethanol and one or more higher alcohols, preferably including propanol. | 02-16-2012 |
20120078012 | PRODUCTION OF ACETIC ACID WITH HIGH CONVERSION RATE - A process for producing acetic acid comprising the steps of reacting carbon monoxide and at least one of methanol and a methanol derivative in a first reactor under conditions effective to produce a crude acetic acid product; separating the crude acetic acid product into at least one derivative stream, at least one of the at least one derivative stream comprising residual carbon monoxide; and reacting at least a portion of the residual carbon monoxide with at least one of methanol and a methanol derivative over a metal catalyst in a second reactor to produce additional acetic acid. | 03-29-2012 |
20120083623 | Production of Acetic Acid with High Conversion Rate - The present invention is to a process for producing acetic acid comprising the step of reacting a carbon monoxide feed and methanol and/or a methanol derivative in a first reactor to produce a crude acetic acid product. The carbon monoxide may comprise less than 99.5 mol % carbon monoxide. The process further comprises the step of purging a carbon monoxide purge stream comprising a first amount of residual carbon monoxide and one or more impurities. Preferably, the first amount is greater than 20 mol %. The process further comprises the step of separating the crude acetic acid product into at least one derivative stream comprising a second amount of residual carbon monoxide. The process further comprises the step of reacting at least a portion of the second amount of residual carbon monoxide and methanol and/or a methanol derivative in a second reactor to produce additional acetic acid. | 04-05-2012 |
20120088929 | Production of a acetic acid comprising feeding at least one reactant to a recycle stream - This invention relates to processes for producing acetic acid from carbon monoxide and, in particular, to improved processes, wherein at least one reactant is fed upstream of a reactor recycle pump and/or to a pump-around loop. | 04-12-2012 |
20120090980 | Process for Recovering Halogen Promoters and Removing Permanganate Reducing Compounds - This invention relates to processes for producing acetic acid and, in particular, to improved processes for recovering C | 04-19-2012 |
20120090981 | Process for Recovering Halogen Promoters and Removing Permanganate Reducing Compounds - This invention relates to processes for producing acetic acid and, in particular, to improved processes for recovering C | 04-19-2012 |
20120202900 | PURIFICATION OF ACETIC ACID PRODUCT STREAMS - In one embodiment, the invention is to an ion exchange resin composition comprising a metal-functionalized exchange resin comprising from 3% to 94% metal-functionalized active sites; and a non-metal-functionalized exchange resin comprising non-metal-functionalized active sites. | 08-09-2012 |
20120203025 | VINYL ESTER PRODUCTION FROM ACETYLENE AND CARBOXYLIC ACID UTILIZING HOMOGENEOUS CATALYST - A process for the selective production of vinyl ester by the reaction of a carboxylic acid with acetylene with a homogeneous catalyst is disclosed and claimed. In one aspect, esters of neoacids are provided. | 08-09-2012 |
20120283471 | Removal of Amine Compounds from Carbonylation Process Stream Containing Corrosion Metal Contaminants - A process for removing amine compounds from a process stream derived from a carbonylation process. The amine compounds may be present as iodide salts. The process stream also contains corrosion metal contaminants. The amine compounds are removed by mixing a portion of the process stream a slipstream to form an aqueous stream having a water concentration of greater than 50 wt. %. The aqueous stream is contacted with an exchange resin to remove amine compounds, as well as corrosion metal contaminants. | 11-08-2012 |
20120283472 | Removal of Aromatics from Carbonylation Process - The invention relates to processes for removing aromatics from the reactants that are fed to a carbonylation reactor. The aromatics are removed using a guard bed that comprises an adsorbent. | 11-08-2012 |
20130046032 | INTEGRATED PROCESS FOR PRODUCING ETHANOL FROM METHANOL - Processes and systems for forming ethanol from methanol. The process involves carbonylating the methanol to form acetic acid and hydrogenating the acetic acid to form ethanol. In a first aspect, at least some hydrogen for the hydrogenating step is derived from a tail gas stream formed in the carbonylation step. In a second aspect, at least some carbon monoxide for the carbonylation step is derived from a vapor stream in the hydrogenation system. In a third aspect, a syngas stream is separated to form a hydrogen stream and a carbon monoxide stream, and the hydrogen stream is methanated to remove residual carbon monoxide prior to being introduced into the hydrogenation system. | 02-21-2013 |
20130046119 | INTEGRATED PROCESS FOR PRODUCING ETHANOL FROM METHANOL - Processes and systems for forming ethanol from methanol. The process involves carbonylating the methanol to form acetic acid and hydrogenating the acetic acid to form ethanol. In a first aspect, at least some hydrogen for the hydrogenating step is derived from a tail gas stream formed in the carbonylation step. In a second aspect, at least some carbon monoxide for the carbonylation step is derived from a vapor stream in the hydrogenation system. In a third aspect, a syngas stream is separated to form a hydrogen stream and a carbon monoxide stream, and the hydrogen stream is methanated to remove residual carbon monoxide prior to being introduced into the hydrogenation system. | 02-21-2013 |
20130046120 | INTEGRATED PROCESS FOR PRODUCING ETHANOL - Processes and systems for forming ethanol from methanol. The process involves carbonylating the methanol to form acetic acid and hydrogenating the acetic acid to form ethanol. In a first aspect, at least some hydrogen for the hydrogenating step is derived from a tail gas stream formed in the carbonylation step. In a second aspect, at least some carbon monoxide for the carbonylation step is derived from a vapor stream in the hydrogenation system. In a third aspect, a syngas stream is separated to form a hydrogen stream and a carbon monoxide stream, and the hydrogen stream is methanated to remove residual carbon monoxide prior to being introduced into the hydrogenation system. | 02-21-2013 |
20130066107 | Production of Acetic Acid with High Conversion Rate - A process for producing acetic acid comprising the steps of reacting carbon monoxide and at least one of methanol and a methanol derivative in a first reactor under conditions effective to produce a crude acetic acid product; separating the crude acetic acid product into at least one derivative stream, at least one of the at least one derivative stream comprising residual carbon monoxide; and reacting at least a portion of the residual carbon monoxide with at least one of methanol and a methanol derivative over a metal catalyst in a second reactor to produce additional acetic acid. Preferably the second reactor is a homogeneous reactor and a reactor carbon monoxide partial pressure is less than 1.05 MPa. | 03-14-2013 |
20130102809 | Methanol Carbonylation Process with Rhodium Catalyst, an Iodide Salt and a Metallic Co-Catalyst Selected from Transition Metals, Indium, Strontium, Barium, Zinc, Tin and Heteropoly Acids - A carbonylation process for making acetic acid uses a metallic co-catalyst composition effective as a rhodium stabilizer and rate promoter at molar ratios of metal/rhodium of from about 0.5 to 30. A preferred process includes: (a) reacting methanol with a carbon monoxide feedstock in a rhodium-based catalytic reaction mixture having: (i) a rhodium catalyst metal, (ii) methyl iodide maintained from about 1 to 20 weight percent, (iii) a lithium iodide co-catalyst, (iv) a metallic co-catalyst composition, (v) water maintained from 0.1 weight percent to less than 8 weight percent, (vi) methyl acetate maintained from about 0.5 to about 30 weight percent, and (vii) acetic acid; (b) flashing crude acetic acid from the reaction mixture; and (c) purifying the crude acetic acid. This process achieves stability and a STY greater than 10 mol/L/hr, with substantially less than a theoretically equivalent inorganic iodide content corresponding to the metallic co-catalyst and lithium iodide. | 04-25-2013 |
20130102810 | Methanol Carbonylation Process with Rhodium Catalyst and a Lanthanide Metal Co-Catalyst - A carbonylation process for making acetic acid using a metallic co-catalyst composition, effective as a rhodium stabilizer and/or rate promoter, at molar ratios of metal/rhodium of about 0.5 to 40. The process includes reacting methanol with carbon monoxide in the presence of a rhodium-based catalytic metal complex with about 1 to 20 weight percent methyl iodide, less than about 8 weight % water and about 0.5 to about 30 weight percent methyl acetate. The crude acetic acid is flashed and further purified. This process is stable in the absence of a lithium iodide cocatalyst, or in low concentrations of lithium iodide, with an STY greater than 10 mol/L/hr. | 04-25-2013 |
20130165688 | Methanol Carbonylation Process with Rhodium Catalyst and a Metallic Co-Catalyst Selected from Transition Metals, Zinc, Beryllium, Indium, Tin, Strontium and Barium - A carbonylation process for making acetic acid using a metallic co-catalyst composition, effective as a rhodium stabilizer and/or rate promoter, at molar ratios of metal/rhodium of about 0.5 to 40. The process includes reacting methanol with carbon monoxide in the presence of a rhodium-based catalytic metal complex with about 1 to 20 weight percent methyl iodide, less than about 8 weight % water and about 0.5 to about 30 weight percent methyl acetate. The crude acetic acid is flashed and further purified. | 06-27-2013 |
20130172614 | PRODUCTION OF ACETIC ACID WITH HIGH CONVERSION RATE - A process for producing acetic acid comprising the steps of reacting carbon monoxide and at least one of methanol and a methanol derivative in a first reactor under conditions effective to produce a crude acetic acid product; separating the crude acetic acid product into at least one derivative stream, at least one of the at least one derivative stream comprising residual carbon monoxide; and reacting at least a portion of the residual carbon monoxide with at least one of methanol and a methanol derivative over a metal catalyst in a second reactor to produce additional acetic acid. | 07-04-2013 |
20130184491 | Production of Acetic Acid with Enhanced Catalyst Stability - Processes for the production of acetic acid by carbonylation of methanol and reactive derivatives thereof in a liquid phase reaction medium, wherein the reaction medium comprises a finite amount of water, a homogeneous catalyst, an alkyl halide promoter, and a catalyst stabilizer/co-promoter comprising a dissymmetric phosphonium cation. | 07-18-2013 |
20140073812 | Process for Making Acrylic Acid by Integrating Acetic Acid Feed Stream from Carbonylation Process - In one embodiment, the invention is to a process for producing acrylic acid, comprising the step of providing from a distillation column in a carbonylation process a purified acetic acid stream comprising at least 0.15 wt % water. The process further comprises the step of condensation acetic acid of the purified acetic acid stream and an alkylenating agent in the presence of a catalyst and under conditions effective to form a crude acrylate product comprising acrylic acid and water. Acrylic acid is recovered from the crude acrylate product. | 03-13-2014 |
20140073813 | Heat Integration of Carbonylation and Aldol Condensation Reaction Processes - In one embodiment, the invention is to a process for producing an acrylic acid, comprising the step of reacting, in a carbonylation system, carbon monoxide with at least one reactant in a reaction medium under conditions effective to produce a crude alkanoic acid stream comprising alkanoic acid. Preferably, the reaction is an exothermic carbonylation reaction. The process further comprises the step of removing from the carbonylation system at least a portion of heat generated by the carbonylation reaction and transferring a portion of the heat to a heat transfer system that utilizes at least one steam condensate stream. The process further comprises the step of conveying at least a portion of the heat transferred to the heat transfer system of the condensation reaction zone and/or the condensation separation zone. | 03-13-2014 |
20140128487 | Purification of Acetic Acid Product Streams - In one embodiment, the invention is to an ion exchange resin composition comprising a metal-functionalized exchange resin comprising from 3% to 94% metal-functionalized active sites; and a non-metal-functionalized exchange resin comprising non-metal-functionalized active sites. | 05-08-2014 |
20140142349 | PROCESS FOR PRODUCING ETHANOL FROM METHYL ACETATE - The present invention relates to a process for producing ethanol by methyl acetate hydrogenolysis. The process comprises the step of reacting carbon monoxide and methanol in a reaction medium to form a reaction solution that comprises acetic acid and from 0.5 to 25 wt. % methyl acetate. The process further comprises the step of esterifying the acetic acid and feeding the methyl acetate to a distillation column to remove alkyl halides. The process further comprises the steps of reacting the methyl acetate stream that does not contain alkyl halides and hydrogen in the presence of a second catalyst to form an alcohol product that comprises ethanol and/or methanol. | 05-22-2014 |
20140275620 | Process For Separating Product Gas Using Carbonylation Processes - The present invention is related to separating product gas using a carbonylation reactor in which the carbon monoxide is consumed to produce acetic acid, and hydrogen and carbon dioxide are recovered. The recovered hydrogen may be further purified to reduce the concentration of carbon oxides. The present invention provides improved methods for converting product gas or syngas to ethanol. | 09-18-2014 |
20140309455 | PRODUCTION OF ACETIC ACID WITH ENHANCED CATALYST STABILITY - Processes for the production of acetic acid by carbonylation of methanol and reactive derivatives thereof in a liquid phase reaction medium, wherein the reaction medium comprises a finite amount of water, a homogeneous catalyst, an alkyl halide promoter, and a catalyst stabilizer/co-promoter comprising an imidazolium cation R | 10-16-2014 |
20150148562 | Removal of Aromatics from Carbonylation Process - The invention relates to processes for removing aromatics from the reactants that are fed to a carbonylation reactor. The aromatics are removed using a guard bed that comprises an adsorbent. | 05-28-2015 |
Patent application number | Description | Published |
20080293966 | Control of impurities in reaction product of rhodium-catalyzed methanol carbonylation - The present invention relates to carbonylation of methanol, methyl acetate, dimethyl ether or mixtures thereof to produce glacial acetic acid, and more specifically to the manufacture of glacial acetic acid by the reaction of methanol, methyl acetate, dimethyl ether or mixtures thereof with carbon monoxide wherein the product glacial acetic acid contains low impurities. | 11-27-2008 |
20080293967 | Control of formic acid impurities in industrial glacial acetic acid - This invention relates to carbonylation of methanol, methyl acetate, dimethyl ether or mixtures thereof to produce glacial acetic acid, and more specifically to the manufacture of glacial acetic acid by the reaction of methanol, methyl acetate dimethyl ether or mixtures thereof with carbon monoxide wherein the product glacial acetic acid contains low formic acid impurities. | 11-27-2008 |
20090156859 | Control of impurities in product glacial acetic acid of rhodium-catalyzed methanol carbonylation - The present invention relates to carbonylation of methanol, methyl acetate, dimethyl ether or mixtures thereof to produce glacial acetic acid, and more specifically to the manufacture of glacial acetic acid by the reaction of methanol, methyl acetate, dimethyl ether or mixtures thereof with carbon monoxide wherein the product glacial acetic acid contains low impurities. | 06-18-2009 |
20090187043 | Control of impurities in product glacial acetic acid of rhodium-catalyzed methanol carbonylation - The present invention relates to carbonylation of methanol, methyl acetate, dimethyl ether or mixtures thereof to produce glacial acetic acid, and more specifically to the manufacture of glacial acetic acid by the reaction of methanol, methyl acetate, dimethyl ether or mixtures thereof with carbon monoxide wherein the product glacial acetic acid contains low impurities. | 07-23-2009 |
20090209786 | Control of impurities in product glacial acetic acid of rhodium-catalyzed methanol carbonylation - The present invention relates to carbonylation of methanol, methyl acetate, dimethyl ether or mixtures thereof to produce glacial acetic acid, and more specifically to the manufacture of glacial acetic acid by the reaction of methanol, methyl acetate, dimethyl ether or mixtures thereof with carbon monoxide wherein the product glacial acetic acid contains low impurities. | 08-20-2009 |
Patent application number | Description | Published |
20080202536 | Oral pouch product with flavored wrapper - Provided is an oral pouch flavor product with a fibrous flavored wrapper that encloses an inner filling material. Preferably, the fibrous flavored wrapper includes embedded flavorants. The fibrous flavored wrapper may also include a softening agent, colorants, and/or browning inhibitors. The inner material may include non-tobacco, plant material fibers and preferably has a low moisture content so as to prevent the need for preservatives or refrigeration. | 08-28-2008 |
20110203601 | NON-TOBACCO POUCH PRODUCT - A pouched non-tobacco product includes a lined pouch material of a web and a water-soluble liner adjacent the web and a non-tobacco flavorful component contained within the lined pouch material. The water-soluble liner is interposed between the web and the non-tobacco flavorful component. The liner preferably reduces staining of the web by the non-tobacco flavorful component. Additionally, the liner may include a flavorant. | 08-25-2011 |
20110240048 | TOBACCO POUCH PRODUCT - A pouched tobacco product includes a lined pouch material of a web and a water-soluble liner adjacent the web and a tobacco component contained within the lined pouch material. The water-soluble liner is interposed between the web and the tobacco component. The liner preferably reduces staining of the web by the tobacco component. Additionally, the liner may include a flavorant. | 10-06-2011 |
20140093623 | ORAL POUCH PRODUCT WITH FLAVORED WRAPPER - Provided is an oral pouch flavor product with a fibrous flavored wrapper that encloses an inner filling material. Preferably, the fibrous flavored wrapper includes embedded flavorants. The fibrous flavored wrapper may also include a softening agent, colorants, and/or browning inhibitors. The inner material may include non-tobacco, plant material fibers and preferably has a low moisture content so as to prevent the need for preservatives or refrigeration. | 04-03-2014 |
20140158145 | NON-TOBACCO POUCH PRODUCT - A pouched non-tobacco product includes a lined pouch material of a web and a water-soluble liner adjacent the web and a non-tobacco flavorful component contained within the lined pouch material. The water-soluble liner is interposed between the web and the non-tobacco flavorful component. The liner preferably reduces staining of the web by the non-tobacco flavorful component. Additionally, the liner may include a flavorant. | 06-12-2014 |
20140166512 | TOBACCO POUCH PRODUCT - A pouched tobacco product includes a lined pouch material of a web and a water-soluble liner adjacent the web and a tobacco component contained within the lined pouch material. The water-soluble liner is interposed between the web and the tobacco component. The liner preferably reduces staining of the web by the tobacco component. Additionally, the liner may include a flavorant. | 06-19-2014 |