| Entries |
| Document | Title | Date |
|---|
| 20080275268 | Processes for Producing 3-Methyl-2-Butenyl Acetate - The present invention relates to a method for producing 3-methyl-2-butenyl acetate which comprises reacting 3-methyl-2-buten-1-ol with acetic anhydride in the presence of an inorganic base catalyst and a method for producing purified 3-methyl-2-butenyl acetate which comprises subjecting crude 3-methyl-2-butenyl acetate to a step (A) of contacting it with an aqueous solution of an alkali metal hydrogen sulfite, or a step (B) of contacting it with an aqueous solution of a base, or both steps (A) and (B). | 11-06-2008 |
| 20090030229 | Process for continuous carbonylation by supported ionic liquid-phase catalysis - A process for continuous carbonylation of carbonylatable reactants with carbon monoxide in the gaseous phase in the presence of a catalyst, wherein said catalyst is a Supported Ionic Liquid-Phase (SILP) catalyst comprising a solution of a Group VIII metal in an ionic liquid confined on a support. The SILP catalyst offers a very large active catalyst area resulting in a very efficient use of catalyst material and a simple apparatus design. | 01-29-2009 |
| 20090036705 | Production of Alkyl Esters from High Fatty Acid Feedstocks - The present invention relates to a process for the production of fatty acid esters from high fatty acid feedstocks such as vegetable oil soapstocks. Specifically, the present invention relates to the production of ASTM, EN, and IRS specification Biodiesel by saponification and acidulation of soapstock followed by heterogeneous reactive distillation esterification. | 02-05-2009 |
| 20090043122 | METHOD FOR THE PRODUCTION OF ORGANIC PEROXIDES BY MEANS OF A MICROREACTION TECHNIQUE - The invention provides a process for efficient and reliable preparation of organic peroxides, preferably dialkyl peroxides, peroxycarboxylic acids, peroxycarboxylic esters, diacyl peroxides, peroxycarbonate esters, peroxydicarbonates, ketone peroxides and perketals with the aid of at least one static micromixer and an apparatus for performing the process. | 02-12-2009 |
| 20090048460 | NOVEL PROCESS FOR PREPARATION OF CEFPROZIL INTERMEDIATE - The present invention relates to a process for preparing a key intermediate of cefprozil and use of this intermediate in the preparation of cefprozil thereby avoiding impurity-causing self-acylation. | 02-19-2009 |
| 20090105497 | Reduced Hazard Thermal Fluid - A thermal fluid having a fluid that includes a compound selected from the group consisting of compounds having the following general formulas: | 04-23-2009 |
| 20090118534 | METHOD OF PRODUCING OPTICALLY ACTIVE (S)-7-HYDROXY-6-METHYLHEPTAN-2-ONE AND PRECURSOR THEREOF - Provided is a method capable of industrially producing optically active (S)-7-hydroxy-6-methylheptan-2-one and its precursor simply and efficiently. The production method, allows a R-body preferentially hydrolyzable Aspergillus microorganism-derived esterase to act on a 2-methyl-6-oxoheptanoate (II), to produce an optically active (S)-2-methyl-6-oxoheptanoate (III). | 05-07-2009 |
| 20090131709 | Processes for Producing Higher Fatty Acid Esters - As means for producing a biodiesel oil from a feed oil containing a free fatty acid at high efficiency, the following processes (1) to (3) are provided: (1) a process for producing a higher fatty acid ester, comprising reacting a lower alcohol with a higher fatty acid in the presence of an amorphous carbon having a sulfonate group introduced therein, thereby producing the higher fatty acid ester; (2) a process for producing a higher fatty acid ester, comprising reacting a lower alcohol with a higher fatty acid and a higher fatty acid triglyceride in the presence of an amorphous carbon having a sulfonate group introduced therein, thereby producing the higher fatty acid ester by both of the reaction between the lower alcohol and the higher fatty acid and the reaction between the lower alcohol and the higher fatty acid triglyceride; and (3) a process for producing a higher fatty acid ester, comprising: reacting a lower alcohol with a higher fatty acid and a higher fatty acid triglyceride in the presence of an amorphous carbon having a sulfonate group introduced therein, thereby producing the higher fatty acid ester by both of the reaction between the lower alcohol and the higher fatty acid and the reaction between the lower alcohol and the higher fatty acid triglyceride; and reacting the unreacted lower alcohol with the unreacted higher fatty acid triglyceride in the presence of an alkali hydroxide, thereby producing the higher fatty acid ester. | 05-21-2009 |
| 20090143612 | HYDROGENATION PROCESS FOR THE PREPARATION OF 1,2-DIOLS - Disclosed is a process for the preparation of 1,2-glycols by hydrogenation of 1,2-dioxygenated organic compounds in the presence of a catalyst composition comprising a ruthenium compound, a trivalent phosphorus compound selected from 1,1,1-tris(diarylphosphinomethyl)alkyl or substituted alkyl, and a promoter selected from Lewis acids, protic acids having an ionization constant (K | 06-04-2009 |
| 20090182165 | Process for the Preparation of Carbonylation Products - Process for preparing a carboxylic acid and/or ester thereof by carbonylating an alcohol and/or reactive derivative thereof with carbon monoxide in the presence of a silver loaded mordenite catalyst. | 07-16-2009 |
| 20090182166 | Method for production of short chain carboxylic acids and esters from biomass and product of same - A method for producing a mixture of short chain carboxylic acids from biomass includes adding biomass to a reactor vessel, heating the biomass to crack it, removing undesired and unreacted materials and light ends from the cracked biomass, and removing a mixture containing carboxylic acids having carbon chain lengths between C2 and C16. A composition includes a carboxyl group-containing compound derived by cracking biomass and having a carboxyl carbon chain length between C2 and C16. | 07-16-2009 |
| 20090187042 | METHOD FOR PRODUCING ESTER CONDENSED PRODUCT - The present invention is to provide a method for preparing an ester condensate and a catalyst therefore; wherein the method enables synthesis of enormous amounts of ester condensates comprising a specific structure in good yield, by a reaction of carboxylic acid and alcohol in equimolar amounts, while generation of by-products is prevented; wherein the catalyst exhibits good catalytic efficiency as a catalyst for use, the use of the catalyst in small amount is sufficient, and the catalyst is reusable and can be used repeatedly; therefore, the method for preparing an ester condensate of the present invention and the catalyst therefore can be applied to industrial methods which are preferable in view of green chemistry. Esterification reaction is performed by using a catalyst comprising a zirconium(IV) compound and/or a hafnium(IV) compound and an iron compound and a gallium compound. It is preferable that the zirconium(IV) compound is a compound represented by Zr(OH) | 07-23-2009 |
| 20090259067 | PROCESS FOR THE TRANSESTERIFICATION OF ESTERS - The invention relates to a method for transesterification of at least one component comprising at least one ester group with at least one component comprising at least one hydroxyl group, wherein the red mud produced in the Bayer process used for producing aluminum is added to the method as a reaction-promoting component. The invention also relates to the use of carboxylic acid salts produced during the transesterification method as plant treating agents and as detergents in cleaning and washing agents. The invention also relates to the use of dealkalized red mud obtained by means of the method according to the invention as the iron-contributing component of an iron fertilizer which can be used in particular in agriculture and to which limestone can also be added. | 10-15-2009 |
| 20090264671 | Method for Producing Biodiesel Using Supercritical Alcohols - Disclosed herein is a method for producing biodiesel in the form of fatty acid alkyl ester by esterifying oils-and-fats, including animal or vegetable oils-and-fats or waste thereof, with supercritical alcohol. According to the disclosed method, it is possible to produce high-purity fatty acid alkyl ester at low cost and high productivity. | 10-22-2009 |
| 20090275773 | PROCESS FOR THE TRANSESTERIFICATION OF TRIGLYCERIDES - The present invention relates to a process in which a triglyceride is transesterified with an alcohol in the presence of a solid catalyst. In order to provide a process by means of which a triglyceride can be transesterified with an alcohol in the presence of a solid catalyst in relatively moderate reaction conditions with a good yield and at relatively high reaction rate, it is proposed that the solid catalyst comprises a zeolite X with an Si/Al atomic ratio of less than 1.2. | 11-05-2009 |
| 20090326260 | Conversion of Nitrile Compounds Into Carboxylic Acids and Corresponding Esters Thereof - Hydrocarbon-based compounds containing at least one nitrile function are converted into compounds containing at least one carboxylic function, and into ester compounds from the carboxylic compounds thus obtained; such conversion entails reacting the nitrile compound with a hydroxyl basic compound in solution in a solvent at a temperature of between 80 and 150° C., in eliminating the ammonia formed, in reacting the salt obtained with a mineral acid, and then in recovering the compound containing at least one carboxylic function and, optionally, esterifying the acids obtained by reaction with an alcohol. | 12-31-2009 |
| 20090326261 | PREPARATION OF DIESTERS FROM IMIDE/DINITRILE COMPOUNDS - Diester compounds are prepared from imide/dinitrile compounds employing a vapor-phase hydrolysis of dinitrile compounds in the presence of alcohol, more particularly from branched dinitrile compounds, such as methylglutaronitrile or branched dinitrile compounds obtained as by-products in a process for the production of adiponitrile by hydrocyanation of butadiene. | 12-31-2009 |
| 20100022794 | Method for producing acyl peroxides - The invention relates to a method for producing acyl peroxides. According to said method, an acyl compound is reacted with an organic hydroperoxide and a base, the pH of the two-phase mixture so obtained is adjusted to 6 to 13, the obtained organic phase is extracted with an aqueous solution of a base and the aqueous extract is recirculated to the reaction step. The method according to the invention allows the recirculation of unreacted hydroperoxide to the reaction step. | 01-28-2010 |
| 20100056821 | PROCESS FOR PRODUCTION OF ALKYLENE OXIDE ADDUCTS - The present invention relates to a process for producing an alkyleneoxide adduct, including the steps of reacting an aliphatic alcohol containing a hydrocarbon group having 6 to 22 carbon atoms with an alkyleneoxide in the presence of a catalyst to obtain a reaction product containing an alkyleneoxide adduct; and subjecting the reaction product successively to acid treatment and reduction treatment, and an alkyleneoxide adduct having a carbonyl value of 5 μmol/g or less. The alkyleneoxide adduct is useful as a raw material of various anionic surfactants, and the anionic surfactants derived from the alkyleneoxide adduct are free from undesirable coloration. | 03-04-2010 |
| 20100087670 | PROCESS FOR PREPARING A BIO-DIESEL - The present invention provides a process for preparing a bio-diesel, comprising, in the presence of an alkaline metal compound, reacting an oil-fat with C | 04-08-2010 |
| 20100087671 | PROCESS FOR PRODUCING METHYL ESTERS - Transesterification systems and methods for producing methyl ester are disclosed. In one embodiment, a method for producing methyl ester includes introducing a first charge into a reactor. The first charge contains a triglyceride-containing fat and an alcohol. The method can also include performing a first transesterification reaction in which the triglyceride-containing fat is reacted with the alcohol to produce a first product. The method can further include settling the first product into a methyl ester-containing layer and a glycerol-containing layer, decanting the glycerol-containing layer after settling from the reactor, mixing a second charge with the first product, and performing a second transesterification reaction after mixing the second charge with the first product. | 04-08-2010 |
| 20100130769 | Catalyst for transesterification process - The present invention relates to a method for producing esters from triglycerides by using solid heterogeneous catalysts comprised of calcined calcium carbonate, particularly for obtaining biodiesel. | 05-27-2010 |
| 20100145091 | CONVERSION OF NITRILE COMPOUNDS INTO CORRESPONDING CARBOXYLIC ACIDS AND ESTERS - Hydrocarbon compounds having at least one nitrile function are converted into compounds having at least one carboxylic function by hydrating the nitrile functions into amide functions by reaction with water in the presence of a strong inorganic acid, and then hydrolyzing the amide functions into carboxylic functions by reaction with water and a strong inorganic acid; the carboxylic compounds thus obtained can be esterified into diesters, advantageously diester solvents. | 06-10-2010 |
| 20100152478 | METHOD OF PROCESSING TALL OIL - A method of processing wood oil which is generated during pulping. In the method, low molecular weight carboxyl acid that is approximately 0.5-5.0% of the wood oil quantity (weight) is added to that wood oil early in its separation stage, in order to esterify the alcohol groups present in the wood oil, by the said acid. The protective esterification according to the present invention prevents the esterification of the alcohol groups by the fatty acids naturally present in the wood oil. | 06-17-2010 |
| 20100152479 | TUBE BUNDLE FALLING FILM MICROREACTOR FOR PERFORMING GAS LIQUID REACTIONS - A tube bundle falling film microreactor for performing gas-liquid reactions, which has: a) at least one vertical tube with b) a device for distributing the liquid on the inside of the tube and c) a liquid collecting system, and d) a device for gas supply and removal, and use thereof. | 06-17-2010 |
| 20100160667 | Shaped Catalyst Bodies with Characteristics of Ion Exchangers - Processes comprising: (a) providing a shaped body having a surface and comprising a metal oxide, and impregnating the shaped body with a liquid comprising an unsaturated compound; (b) subjecting the impregnated shaped body to thermolysis under an inert gas atmosphere at a temperature of 250 to 400° C., such that at least 10% by weight of the unsaturated compound is thermalized to form a layer of a high molecular weight polyaromatic on at least a portion of the surface of the shaped body; and (c) reacting the shaped body with a reagent to functionalize the polyaromatic layer, wherein the shaped body has a smallest dimension in any spatial direction of at least 1 mm to provide a shaped catalyst body having ion- exchange properties; shaped catalyst bodies prepared thereby and uses therefor as catalysts. | 06-24-2010 |
| 20100160668 | CATALYST AND PROCESS FOR PREPARING CARBOXYLIC ACID ESTERS - A catalyst and a process for preparing carboxylic acid esters from an aldehyde and an alcohol in the presence of molecular oxygen are disclosed. The catalyst comprises metals supported on a silica-containing support, wherein the metals consist essentially of palladium, lead, an alkali or alkaline earth metal, and at least one of niobium and zirconium. The process for preparing a carboxylic acid ester comprises reacting an aldehyde with an alcohol in the presence of molecular oxygen and the aforementioned catalyst. | 06-24-2010 |
| 20100168464 | METHOD FOR PRODUCING ADAMANTYL (METH)ACRYLATES - The present invention provides an efficient production method suitable to industrial-scale production not requiring column purification for adamantyl (meth)acrylates having an adamantane skeleton and useful as monomers for use for resins excellent in optical properties, etc. A method for producing adamantyl (meth)acrylates of formulae (3) and (4), includes a reaction step of reacting a compound of formula (1) with a (meth)acryloyl halide or a (meth)acrylic anhydride in a reaction solution to give a mixture of compounds of formulae (2) to (4), and a separation step of separating the mixture of compounds of formulae (2) to (4), wherein the separation step comprises an extraction step of extracting compounds of formulae (2) and (3) from the reaction solution with a mixed solvent of water and a polar organic solvent, thereby giving a water/polar organic solvent solution containing the compounds of formulae (2) and (3) and the mixed solvent, and a back-extraction step of back-extracting the compound of formula (3) from the water/polar organic solvent solution with a non-polar organic solvent: | 07-01-2010 |
| 20100174107 | ACCELERATED SYNTHESIS OF SUBSTITUTED HYDROXYMETHYL PHENOLS - This disclosure relates to process for the preparation of a compound of formula (I) wherein R is hydrogen, a straight or branched C | 07-08-2010 |
| 20100179346 | METHOD FOR HYDROGENATING GLYCEROL - The present invention relates to a process for preparing 1,2-propanediol by hydrogenation of glycerol by means of hydrogen gas, wherein glycerol is reacted with hydrogen in at least “i” fluidically interconnected reactors R | 07-15-2010 |
| 20100197954 | SYNTHESIS OF SPHINGOSINES AND THEIR DERIVATIVES - Embodiments of the present disclosure provide for methods of making sphingosines and derivatives thereof, and the like. | 08-05-2010 |
| 20100249447 | PURIFICATION OF FULLERENE DERIVATIVES FROM VARIOUS IMPURITIES - Purification methods for fullerene derivatives are described. The method comprises passing a solution of fullerene derivatives containing impurities such as other fullerene derivatives and polycyclic aromatic hydrocarbons through activated charcoals. Fullerene derivatives with high purity were obtained. | 09-30-2010 |
| 20100261932 | POLYTRIMETHYLENE ETHER GLYCOL ESTERS - Disclosed are processes for making polytrimethylene ether glycol esters that are substantially free of residues from the catalyst used to produce the polytrimethylene ether glycol esters. | 10-14-2010 |
| 20100286436 | SEPARATION IMPROVEMENT IN A METHOD OF PRODUCING ALKYL ESTERS FROM VEGETABLE OR ANIMAL OIL AND AN ALIPHATIC MONOALCOHOL - The present invention describes a method of producing fatty acid alkyl esters and glycerin implementing, in a reaction section, a set of transesterification reactions between a vegetable or animal oil and an aliphatic monoalcohol, and using a heterogeneous solid catalyst, comprising:
| 11-11-2010 |
| 20100292501 | PROCESS FOR RECOVERING SULFONIC ACID CATALYST AND NOBLE PRODUCTS FROM ACRYLATE HEAVY ENDS - Sulfonic acid catalyst, e.g., methanesulfonic acid (MSA), and noble products, e.g., acrylic acid, butanol and butyl acrylatε, are recovered from acrylate reactor blowdown. The blowndown comprises, among oilier things, the Michael ad ducts of the sulfonic acid and acrylate esters. The blowdown is mixed with water, subjected to conditions sufficient to crack or hydrolyze the Michael addνcts into their constituent parts. These cracking conditions are also sufficient to allow the recovery of the sulfonic acid and constituent parts, as well as other light components of the heavy ends, e.g., unreacted acrylic acid and butanol, | 11-18-2010 |
| 20110021807 | ENHANCED BIODIESEL PROCESS - A process for producing biodiesel is disclosed. An agglomerating polymer is added to the product mixture which greatly improves the rate of separation between the methyl ester and the glycerin. | 01-27-2011 |
| 20110054209 | OLEFIN OLIGOMER COMPOSITION - An oligomer of alpha olefin is produced in a three step process comprising 1) oligomerization to a vinylidene, 2) hydroformylation to a primary alcohol, and 3) dimerization of the alcohol. The final product can be hydrogenated to form a branched alkane with improved lubricating oil properties. | 03-03-2011 |
| 20110065950 | PALLADIUM CATALYST SYSTEM COMPRISING ZWITTERION AND/OR ACID-FUNCTIONALYZED IONIC LIQUID - The present invention concerns a catalyst system in particular a catalyst system comprising Palladium (Pd), a zwitterion and/or an acid-functionalized ionic liquid, and one or more phosphine ligands, wherein the Pd catalyst can be provided by a complex precursor, such as Pd(CH | 03-17-2011 |
| 20110092730 | HETEROGENEOUS CATALYST OF THE ZINC ALUMINATE SPINEL TYPE SURSTOICHIOMETRIC IN ZINC AND USE THEREOF IN A PROCESS FOR PREPARATION OF ALCOHOL ESTERS FROM TRIGLYCERIDES AND ALCOHOLS - A catalyst with a mixed zinc and aluminium oxide base having a spinel structure surstoichiometric in zinc, in which part of the Zn atoms are in the octahedral position, a process for preparation of the same and use of the same in a process for preparation of a compound of linear monocarboxylic acid alcohol esters with 6-26 carbon atoms from a vegetable or animal oil, neutral or acid, virgin or recycled, with monoalcohols of 1-18 carbon atoms allowing an ester that can be used as a motor fuel or a heating fuel and a pure glycerine to be obtained directly in one or more steps, | 04-21-2011 |
| 20110137071 | Processes Related To The Hydroformylation Of Butenes - Mixed butene streams containing butene-1 and isobutylene and optionally butene-2 are hydroformylated under conditions that hydroformylates all the monomers to yield a mixture of valeraldehydes | 06-09-2011 |
| 20110144375 | PROCESS FOR PRODUCTION OF BIODIESEL - A process for producing alkyl esters is disclosed. The process includes reacting a feedstock that includes one or more fatty acid glycerol esters or one or more fatty acids or mixture thereof with a C | 06-16-2011 |
| 20110166378 | METHOD AND APPARATUS FOR REFINING BIODIESEL - Method and apparatus for producing biodiesel fuel, i.e., alkyl ester, from vegetable and/or animal oil. A transesterification catalyst is prepared in a base catalyst tank by spraying alkyl alcohol under pressure through jets at metal hydroxide pellets until the pellets have fully reacted with the alcohol. The oil is heated and transesterified in the presence of alkyl alcohol and the transesterification catalyst in a closed, recirculating transesterification flow system under slight cavitation to yield product alkyl ester and product glycerol. Cavitation is achieved by permitting air to enter the transesterification flow system through an adjustable air inlet valve. When permitted to stand, product alkyl ester forms an upper layer that is decanted and subjected to purification steps, to remove particulates and alkyl alcohol from the product alkyl ester, and a lower layer of product glycerol is drained away. Purification of the product alkyl ester preferably includes subjecting the product alkyl ester to an overhead water mist in a wash tank with simultaneous infusion of a stream of air bubbles. Alcohol vapor is reclaimed as liquid alcohol within an alcohol condenser and stored for reuse. If the oil contains free fatty acids, prior to transesterification, the oil is heated and the free fatty acids are esterified in the presence of an esterification catalyst and alkyl alcohol. For safety, baffles and explosion damper/flame arrestors are provided in locations where flammable vapors pose a risk. | 07-07-2011 |
| 20110218354 | Photoautotrophic Adipogenesis Technology (Phat) - The invention provides an isolated photosynthetic microorganism with an altered lipid profile compared to its wild type or naturally occurring counterpart. The bacterium has been genetically modified such that the lipids produced are amenable to producing biodiesel fuel. Accordingly, such an isolated cyanobacterium contains a fatty acid, the length of which is less than C 16. | 09-08-2011 |
| 20110218355 | METHOD AND APPARATUS FOR PREPARING ALKYL ESTER FATTY ACID USING FATTY ACID - A method for preparing fatty acid alkyl ester for bio-diesel fuel is disclosed, wherein fatty acid, specifically fatty acid distillate reacts with alcohol. The method does not require the glycerin purification process, and has the superior conversion ratio of fatty acid. The method for preparing fatty acid alkyl ester for bio-diesel fuel comprises the step of carrying out a counter current type esterification reaction of fatty acid and alcohol in each tray of a counter current column reactor at a temperature of 200 to 350 and a pressure of 1 to 35 bar. Here the raw material of the fatty acid is fed to an upper part of the counter current column reactor and the alcohol is fed to a lower part of the counter current column reactor. The counter current column reactor has a number of trays which are installed horizontally to have a number of vertical compartments. Each of the number of trays has an opening part at one end thereof to communicate one compartment with an adjoining compartment. The opening parts of two adjoining trays are alternately installed with each other. | 09-08-2011 |
| 20110319651 | METHOD FOR PRODUCING FATTY ACID ALKYL ESTER AND PRODUCTION SYSTEM THEREFOR - [Problem] There are provided a method for production of a fatty acid alkyl ester and a system therefor, in which a high yield of the fatty acid alkyl ester is achieved even without using any special equipment and separation of a fatty acid alkyl ester phase from a glycerin phase can be carried out within an extremely short period of time. | 12-29-2011 |
| 20120010426 | Processes Related to the Hydroformylation of Butenes - Mixed butene streams containing butene-1 and isobutylene and optionally butene-2 are hydroformylated under conditions that hydroformylates all the monomers to yield a mixture of valeraldehydes | 01-12-2012 |
| 20120078003 | Use of pressure swing absorption for water removal from a wet methanol stream - The present invention includes a process to dry a feed steam containing alcohol and a small quantity of water. The process includes the step of using pressure swing adsorption to produce a first alcohol stream of substantially dehydrated alcohol and a second mixed stream of water and alcohol. The second mixed stream is distilled in a distillation column to produce a relatively purified water stream and a wet alcohol stream. The wet alcohol stream is added to the feed stream. Optionally the present invention is used to recover excess methanol from a biodiesel reactor that uses one or both of the transesterification reaction and the esterification reaction. The biodiesel reactor produces a product stream comprising fatty acid esters, water and alcohol. Water and alcohol is separated from the product stream. The alcohol is dried as noted above. Dried alcohol is recycled to one or both of the transesterification reaction and the esterification reaction. | 03-29-2012 |
| 20120083621 | METHOD AND APPARATUS FOR PREPARING MULTIPLE ESTERS - Disclosed is a method and an apparatus for manufacturing at least two esters. The method includes steps of: (a) reacting an acid and an alcohol mixture in a reactive distillation (RD) column to generate an alcohol-ester-water azeotrope, wherein the alcohol mixture includes at least two alcohols; (b) separating the alcohol-ester-water azeotrope as the organic mixture and water in a decanter; (c) purifying the organic mixture to generate the ester mixture in a stripper; and (d) performing the ester-ester separation on the ester mixture to generate at least two esters in a distillation column, wherein the number of at least two esters is the same with that of at least two alcohols. The unpurified ester mixture carrying heat can be refluxed into stripper for saving energy and enhancing the efficiency of purification. | 04-05-2012 |
| 20120220796 | CATALYTIC DEHYDRATION OF ALCOHOLS USING NON-VOLATILE ACID CATALYSTS - A catalytic process for dehydration of an aliphatic C | 08-30-2012 |
| 20120277461 | ENHANCED BIODIESEL PROCESS - A process for separating glycerin from methyl ester at an enhanced rate is disclosed. The improved process results from carrying out the transesterification reaction in a substantially non-polar and water free environment. A polymer selected from a group of polymers shown to be effective in such an environment is added to the product mixture which greatly improves the rate of separation between the methyl ester and the glycerin and reduces the number of required steps to accomplish the separation. | 11-01-2012 |
| 20130035502 | METHODS OF REFINING AND PRODUCING FUEL AND SPECIALTY CHEMICALS FROM NATURAL OIL FEEDSTOCKS - Methods are provided for refining natural oil feedstocks. The methods comprise reacting the feedstock with a low-molecular-weight olefin or mid-weight olefin in the presence of a metathesis catalyst under conditions sufficient to form a metathesized product comprising olefins and esters. In certain embodiments, the methods further comprise separating the olefins from the esters in the metathesized product. In certain embodiments, the methods further comprise transesterifying the esters in the presence of an alcohol to form a transesterified product. | 02-07-2013 |
| 20130131373 | PENTAERYTHRITOL TETRAESTER - A pentaerythritol tetraester which is a mixed ester of pentaerythritol and carboxylic acids is provided, wherein the carboxylic acids comprise isobutyric acid and 2-ethylhexanoic acid and the molar ratio of isobutyric acid to 2-ethylhexanoic acid in the carboxylic acids is 36/64 to 83/17. The pentaerythritol tetraester may be used in a refrigerant oil or the like which exhibits excellent miscibility with a difluoromethane refrigerant among other properties. | 05-23-2013 |
| 20130150615 | HYDROCONVERSION OF RENEWABLE FEEDSTOCKS - A hydrocarbon conversion process comprises contacting a renewable feedstock under hydroprocessing conditions with supported catalyst comprising at least one metal selected from the group consisting of Group VIII metals, Group VIB metals to form oleochemicals such as fatty alcohols, esters, and normal paraffins. Advantageously, the reaction conditions can be selected to directly convert the renewable feedstock to the desired product(s). | 06-13-2013 |
| 20130225853 | CONTINUOUS PROCESS FOR CONVERSION OF LIGNIN TO USEFUL COMPOUNDS - This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles. | 08-29-2013 |
| 20130225854 | CONTINUOUS PROCESS FOR CONVERSION OF LIGNIN TO USEFUL COMPOUNDS - This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles. | 08-29-2013 |
| 20130225855 | CONTINUOUS PROCESS FOR CONVERSION OF LIGNIN TO USEFUL COMPOUNDS - This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles. | 08-29-2013 |
| 20130225856 | CONTINUOUS PROCESS FOR CONVERSION OF LIGNIN TO USEFUL COMPOUNDS - This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles. | 08-29-2013 |
| 20140031580 | Ester-Based Reactive Plasticizer For Plastic Bonded Explosives - Disclosed is an energetic reactive plasticizer for a plastic bonded explosive (PBX), and specifically an energetic reactive plasticizer for PBX which has high performance and insensitiveness without a plasticizer migration by being bonded with a polymer binder for a plastic bonded explosive. | 01-30-2014 |
| 20140039216 | PROCESS FOR PREPARING FESOTERODINE - The present invention relates to an improved process for the preparation of Fesoterodine and pharmaceutically acceptable salts thereof. The present invention particularly relates to a process for the preparation of fesoterodine and pharmaceutically acceptable salts thereof which involves use and preparation of R(+)benzyl tolterodine and fumarate salt of R(+)-[4-benzyloxy-3-(3-diisopropylamino-1-phenylpropyl)-phenyl]-methanol. | 02-06-2014 |
| 20140121401 | GEM-DINITRO ESTER COMPOUND AS ENERGETIC MATERIAL AND PREPARATION METHOD THEREOF - Provided is a gem-dinitro ester compound, represented by Formula 1 below: | 05-01-2014 |
| 20140194645 | MICROWAVE DIPOLAR HEATING OF ENERGETIC POLYMERS FOR CARBON FIBER-MATRIX SEPARATION - The present technology provides a carbon fiber reinforced plastic that includes carbon fibers covalently bonded to an energetic polymer and a polymer matrix. Also described is a method for recycling carbon fibers from the carbon fiber reinforced plastic material using microwave energy to separate the carbon fibers from the polymer matrix. | 07-10-2014 |
| 20140206893 | PROCESS FOR THE ALKOXYCARBONYLATION OF FUNCTIONALIZED ALKENES - This invention relates to a process for the alkoxycarbonylation of carboxylic acid functionalized alkenes or esters thereof, said process comprising: (a) reacting (i) a carboxylic acid functionalized alkene or ester thereof; (ii) a catalyst system comprising a source of Pd and a ligand, (iii) a source of anions derived from an acid with a pKa<3, (iv) carbon monoxide, and (v) a hydroxylgroup comprising compound, under conditions wherein an ester carbonylation product is produced, whereby the process is carried out in the initial presence of an ester carbonylation product. The presence of the ester carbonylation product results in stabilization of the catalyst system and prevents the formation of Pd black. | 07-24-2014 |
| 20140323755 | Method for Producing Biodiesel Using Microorganisms Without Drying Process - There is provided a method of producing biodiesel without drying and lipid component extraction steps in an alcohol-rich condition. Also, there is provided a method of effectively producing biodiesel without a catalyst under optimal conditions for transesterification. Production cost and time are reduced by reducing the number of processes, and biodiesel yield is increased. | 10-30-2014 |
| 20140350289 | NEW ACID CHLORIDE - The present invention relates to new organic compounds, to their synthesis as well as to their use in organic synthesis, especially in processes forming intermediates (building blocks) for the synthesis of vitamin A or β-carotene or other carotenoids. | 11-27-2014 |
| 20150011791 | METAL POWDERDOUS CATALYST FOR HYDROGENATION PROCESSES - The present invention is related to a new metal powder catalytic system (catalyst) comprising a Fe-alloy as a carrier, its production and its use in hydrogenation processes. | 01-08-2015 |
| 20150099896 | CONTINUOUS PROCESS FOR THE CARBONYLATION OF ETHYLENE - A continuous process for the production of an alkyl ester product is described. The process includes the steps of carbonylating ethylene with carbon monoxide in the presence of C1-6 alkanol co-reactant to form the alkyl ester product. The carbonylation takes place in the presence of a catalyst system that includes (a) a bidentate ligand, (b) a catalytic metal selected from a group 8, 9 or 10 metal or a compound thereof, and (c) a sulphonic acid capable of forming an acid alkyl ester with the C1-6 alkanol. The process includes the step of separating the alkyl ester product from a carbonylated crude product stream by treatment effective to vaporizing the alkyl ester product in a single stage flash distillation column and providing a purified alkyl ester product stream separated from the bidentate ligand and catalytic metal. | 04-09-2015 |
| 20150119597 | METHOD FOR PRODUCING 2-ISOPROPYLIDENE-5-METHYL-4-HEXENYL BUTYRATE - Provided is a simple and efficient method for producing 2-isopropylidene-5-methyl-4-hexenyl butyrate. More specifically, provided is a method for producing 2-isopropylidene-5-methyl-4-hexenyl butyrate, the method including the steps of: isomerizing 2-isopropenyl-5-methyl-4-hexenoic acid ester (1) into 2-isopropylidene-5-methyl-4-hexenoic acid ester (2), reducing thus formed 2-isopropylidene-5-methyl-4-hexenoic acid ester (2) into 2-isopropylidene-5-methyl-4-hexenol (3), and butyrylating thus formed 2-isopropylidene-5-methyl-4-hexenol (3) into 2-isopropylidene-5-methyl-4-hexenyl butyrate (4), | 04-30-2015 |
| 20150307413 | CATALYTIC DEHYDRATION OF ALCOHOLS USING NON-VOLATILE ACID CATALYSTS - A catalytic process for dehydration of an aliphatic C | 10-29-2015 |
| 20150321186 | CATALYST SYSTEM - The present invention provides a catalyst system capable of catalysing the carbonylation of an ethylenically unsaturated compound, which system is obtainable by combining:
| 11-12-2015 |
| 20160039740 | Cyclohexane-1,3-Diones for Use in the Treatment of Amyotrophic Lateral Sclerosis - The present invention relates to the identification of provided cyclohexane-1,3-diones (CHD compounds) and pharmaceutical compositions thereof for treating subjects with amyotrophic lateral sclerosis (ALS) and other neurodegenerative diseases. The invention also provides methods of preparing the provided CHD compounds. | 02-11-2016 |
| 20160052868 | Biological buffers with wide buffering ranges - Amines and amine derivatives that improve the buffering range, and/or reduce the chelation and other negative interactions of the buffer and the system to be buffered. The reaction of amines or polyamines with various molecules to form polyamines with differing pKa's will extend the buffering range, derivatives that result in polyamines that have the same pKa yields a greater buffering capacity. Derivatives that result in zwitterionic buffers improve yield by allowing a greater range of stability. | 02-25-2016 |
| 20160185690 | 7-METHYL-3-METHYLENE-7-OCTENYL HALIDE, METHOD FOR PRODUCING THE SAME, AND METHOD FOR PRODUCING 7-METHYL-3-METHYLENE-7-OCTENYL PROPIONATE - Provided is a simple, selective and efficient method for producing 7-methyl-3-methylene-7-octenyl propionate and the like. More specifically, provided is, for example, a method for producing 7-methyl-3-methylene-7-octenyl propionate, comprising the steps of: subjecting a nucleophile represented by Formula (1) and an electrophile represented by Formula (2) to a coupling reaction to obtain a 7-methyl-3-methylene-7-octenyl halide represented by Formula (3), and subjecting the 7-methyl-3-methylene-7-octenyl halide (3) to propionyloxylation to obtain the 7-methyl-3-methylene-7-octenyl propionate represented by Formula (4). | 06-30-2016 |
