| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 560180000 |
Polycarboxylic acid
| 23 |
| 560183000 |
Unsaturation in acid moiety
| 11 |
| 560184000 |
Halogen in acid moiety
| 9 |
| 560186000 |
Polyoxy acid moiety
| 8 |
| 560187000 |
Alkoxy in acid moiety | 4 |
| 20080249330 | Alkaline Earth-Based Alkoxylation Catalysts - Provided herein are catalysts useful in enabling and promoting the insertion of alkylene oxides into ester linkages. The esters employed as a substrate to be alkoxylated include esters of fatty acids, such as methyl esters of C | 10-09-2008 |
| 20100267984 | OXYFLUOROPHOSPHATE SYNTHESIS PROCESS AND COMPOUND THEREFROM - An electrolyte compound has the formula | 10-21-2010 |
| 20120238776 | GLYCEROL BASED POLYMER SURFACE ACTIVE CHEMISTRY AND PRODUCTION - The invention provides a method of efficiently producing branched, cyclic glycerol-based polymer surface active products having ester and alkyl functional groups with a co-product as anti-biodegrading agent from inexpensive readily available glycerol monomer. The method involves polymerizing glycerol or glycerol with at least another monomer to multiple other monomers in the presence of particular amount of a strong base as the catalyst under a particular distillation environment. The polyol then undergoes esterification, alkylation and crosslinking in presence of particular amount of a catalyst under a particular low activity atmospheric environment. The glycerol-based polymer surface active products produced by the inventive method are beneficial for reducing lignin, extractives and rejects levels in pulping process of papermaking industry. | 09-20-2012 |
| 20150018573 | Process for producing renewable bioproducts from various feedstocks - The present invention describes a method for production of a class of renewable specialty chemicals that may be used for a variety of purposes including as a solvent in the semiconductor industry and as a reagent for commercial chemical production. The precursor compound, PHA, can be produced using various feedstocks such as waste water treatment plant biosolids, distiller's grains and agricultural residual biomass (e.g., corn stover and rice straw). The production of specialty chemicals in tandem with energy production can serve to aid the overall economics of renewable feedstock energy production. | 01-15-2015 |
| 560189000 |
Polyoxy alcohol moiety | 2 |
| 20130178646 | NOVEL COMPOSITIONS AND METHODS - Described herein are compositions (e.g., a pharmaceutical composition) and compounds of formula I, methods of making compounds of formula (I) and their use in the treatment and/or prevention of diseases and disorders. | 07-11-2013 |
| 20160060206 | FATTY ALCOHOL ESTERS OF HYDROXYCARBOXYLIC ACIDS - Described herein are compositions (e.g., a pharmaceutical composition) and compounds of formula I, methods of making compounds of formula (I) and their use in the treatment and/or prevention of diseases and disorders. | 03-03-2016 |
| 560185000 |
Acylated oxy in acid moiety | 1 |
| 20130197263 | 1,1-DISUBSTITUTED ETHYLENE PROCESS - New and improved processes for the production of 1,1-disubstituted ethylenes. | 08-01-2013 |
| 560188000 |
Cyclic alcohol moiety | 1 |
| 20150087856 | MELANIN PRODUCTION INHIBITOR - The present invention provides a melanin production inhibitor containing a compound having a (2-isopropyl-5-methyl)cyclohexyl group or a (2-isopropenyl-5-methyl)cyclohexyl group. | 03-26-2015 |
| Entries |
| Document | Title | Date |
|---|
| 20080214861 | Method for Producing 2-Hydroxyester Compounds - A simple and easy-to-use method for producing a 2-hydroxyester compound using a cyanohydrin compound, as a raw material, is provided. A method for producing a 2-hydroxyester compound represented by the general formula (1) (provided that ethyl 2-hydroxy-4-phenylbutyrate is excluded), wherein an acid is introduced into a mixture of a cyanohydrin compound represented by the general formula (2), an alcohol, an organic solvent and water: | 09-04-2008 |
| 20080255384 | THREE CARBON PRECURSOR SYNTHONS | 10-16-2008 |
| 20080262260 | Method for stabilizing Menthyl Lactate - A method for stabilizing menthyl lactate is disclosed. The method comprises combining water with a solution comprising menthyl lactate and a water-miscible organic solvent in amounts effective to precipitate menthyl lactate from the resulting aqueous mixture. The aqueous precipitation method is simple to practice, and it provides menthyl lactate having remarkably improved storage stability. | 10-23-2008 |
| 20090118535 | PROCESS FOR PRODUCING OPTICALLY ACTIVE ESTER - A process for producing an optically active 2-hydroxybutyric ester (1), characterized by including reacting an optically active 2,3-epoxybutyric ester (2) with a thiol in the presence of scandium trifluoromethanesulfonate or ytterbium trifluoromethanesulfonate, to thereby produce Compound (3), and subjecting Compound (3) to desulfurization reaction: | 05-07-2009 |
| 20090124824 | PROCESS FOR PRODUCING 6-HYDROXYCAPROIC ESTER AND PROCESS FOR PRODUCING TRIALKYLAMINE - A process for producing a 6-hydroxycarpoic ester and a process for producing a trialkylamine in both of which nylon-6, ε-caprolactam, which is a monomer therefor, etc. are used as a raw material. The processes are intended to make nylon-6 wastes reusable in various applications without consuming a large quantity of energy. The process for producing a 6-hydroxycarpoic ester and process for producing a trialkylamine are characterized by reacting amide compounds basically comprising ε-caprolactam with an alcohol in a supercritical state to obtain a 6-hydroxycarpoic ester and a trialkylamine. | 05-14-2009 |
| 20090182167 | PROCESS FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ESTERS - Continuous process for preparing alpha-hydroxycarboxylic esters, in which the reactants reacted are alpha-hydroxycarboxamide with an alcohol in the presence of a catalyst to obtain a product mixture which comprises alpha-hydroxycarboxylic ester, ammonia, unconverted alpha-hydroxycarboxamide and alcohol, and catalyst; wherein
| 07-16-2009 |
| 20090209780 | PROCESS FOR PRODUCING OPTICALLY ACTIVE 2-HYDROXYBUTYRIC ESTER - To provide a process for producing an optically active 2-hydroxybutyric ester at high yield and high optical purity. | 08-20-2009 |
| 20090209781 | PROCESS FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ACIDS - Continuous process for preparing alpha-hydroxycarboxylic esters, in which the reactants reacted are alpha-hydroxycarboxamide with an alcohol in the presence of a catalyst to obtain a product mixture which comprises alpha-hydroxycarboxylic ester, ammonia, unconverted alpha-hydroxycarboxamide and alcohol, and catalyst; wherein
| 08-20-2009 |
| 20100105945 | NOBLE METAL CATALYSTS - Catalyst systems consisting of supported or unsupported transition metal catalysts which have modifiers on the surface. The modifiers have sulphur-containing functionalities (G | 04-29-2010 |
| 20100121096 | ZEOLITE-CATALYZED PREPARATION OF ALPHA-HYDROXY CARBOXYLIC ACIDS AND ESTERS THEREOF - A process for the production of lactic acid and 2-hydroxy-3-butenoic acid or esters thereof by conversion of glucose, fructose, sucrose, xylose and glycolaldehyde dissolved in a solvent in presence of a solid Lewis acidic catalyst. | 05-13-2010 |
| 20100160669 | PROCESS FOR PRODUCING ORGANIC CARBOXYLIC ACID ESTERS - The present invention relates to a process for producing organic carboxylic acid esters, in which an amino-ester exchange reaction of an organic carboxylic acid amide with an ester compound, or with an alcohol compound under a CO pressure, is carried out at a specific temperature in the presence of a catalyst and a promoter, so as to produce an organic carboxylic acid ester. | 06-24-2010 |
| 20110015429 | PROCESS FOR PREPARING 6-HYDROXYCAPROIC ESTERS - The present application relates to an improved process for preparing 6-hydroxycaproic esters from the by-product mixtures which are obtained in the oxidation of cyclohexane to cyclohexanol and cyclohexanone with oxygen or oxygen-comprising gas mixtures. | 01-20-2011 |
| 20110160480 | Continuous Process for Obtaining a Lactic Ester - Continuous method for obtaining a lactic ester, characterised in that it comprises the following steps:
| 06-30-2011 |
| 20120029228 | CHEMICAL RECYCLING OF PLA BY ALCOHOLYSIS - A process for recycling a polymer blend necessarily containing PLA, comprising grinding, compacting, dissolving in a solvent of PLA, removing the undissolved contamining polymers, alcoholysis depolymerisation reaction and purification steps. | 02-02-2012 |
| 20120095253 | METHOD FOR PRODUCING ALPHA-HYDROXYCARBOXYLIC ACID ESTER - Provided is a process for producing α-hydroxycarboxylic esters from α-hydroxycarboxylic amides and aliphatic alcohols, wherein it is a production process which is inhibited in a production cost and enhanced in a conversion rate and a selectivity and which is industrially advantageous. To be specific, it is a production process for α-hydroxycarboxylic ester characterized by subjecting α-hydroxycarboxylic amide and aliphatic alcohol to a gas phase reaction in the presence of a zirconium dioxide catalyst. A catalyst lifetime is improved to a large extent by using a zirconium dioxide catalyst containing a specific element. | 04-19-2012 |
| 20120108841 | SIMULATED MOVING BED MEMBRANE REACTOR, NEW HYBRID SEPARATION PROCESS AND USES THEREOF - The presently disclosed subject matter is a new technology, related to a simulated moving bed membrane reactor. This novel technology includes a reactor with two different separation techniques: i) chromatography (simulated moving bed—SMB); ii) selective permeable membrane (namely, pervaporation and permeation, among others) into a single device, allowing a significant increase in the unity productivity and considerable reduction of solvent consumption and consequently lowers downstream costs associated to the following separation units, for the same product purity and reactants conversion criteria. It has its main applications in the chemical industry, particularly, in the continuous production of oxygenated compounds as esters, acetals, ethers, carbonates, among others. | 05-03-2012 |
| 20120142958 | CHEMICAL RECYCLING OF PLA BY HYDROLYSIS - A process for recycling a polymer blend necessarily containing PLA, comprising grinding, compacting, dissolving in a solvent of PLA, removing the undissolved contamining polymers, alcoholysis depolymerisation reaction and purification steps. | 06-07-2012 |
| 20120149937 | METHOD FOR PRODUCING HYDROXYCARBOXYLIC ACID DERIVATIVE - To provide a method for the production of a hydroxycarboxylic acid derivative, by which a hydroxycarboxylic acid derivative, which can be reused in various applications, can be obtained from a polyamide at a high yield without consuming a large amount of energy. A method for the production of a hydroxycarboxylic acid derivative, which is characterized by including allowing an alcohol in a supercritical state to act on a polyamide in the presence of a carboxylic acid derivative to depolymerize the polyamide to obtain the hydroxycarboxylic acid derivative. | 06-14-2012 |
| 20120157707 | METHOD FOR PRODUCING ALCOHOL COMPOUND - Provided is a method for producing an alcohol compound, which enables the alcohol compound to be obtained at a high yield from an amide compound or amine compound. The method for producing an alcohol compound, which is characterized by comprising allowing an alcohol in a supercritical state to act on the amide compound or amine compound in the presence of a carboxylic acid derivative to obtain the alcohol compound. | 06-21-2012 |
| 20130079547 | METHOD FOR PREPARING ALKYL LACTATE AND A METHOD FOR PREPARING LACTAMIDE USING THE SAME - This disclosure relates to a method for preparing alkyl lactate with high yield and high selectivity, comprising the step of reacting glycerol with water or alcohol in the presence of a catalyst. | 03-28-2013 |
| 20130150616 | METHODS OF MANUFACTURING DERIVATIVES OF BETA-HYDROXYCARBOXYLIC ACIDS - Preparation of derivatives of β-hydroxycarboxylic acid, including β-hydroxycarboxylic acid esters, α,β-unsaturated carboxylic acid, esters of α,β-unsaturated carboxylic acid, and alkoxy derivatives. | 06-13-2013 |
| 20130204036 | METHOD FOR PRODUCING LACTIC ACIDS FROM CARBOHYDRATE-CONTAINING RAW MATERIAL - An alternative method for efficiently producing lactic acids from a carbohydrate-containing raw material such as cellulose is provided. The method for producing lactic acid and/or lactic acid ester comprises performing heat treatment on a carbohydrate-containing raw material in a solvent containing a catalyst, wherein the catalyst is at least one type of compound selected from the group consisting of a tin compound, an indium compound, and a rhenium compound, and the solvent contains water and/or alcohol. | 08-08-2013 |
| 20130231497 | Synthesis of Lactic Acid and Alkyl Lactate from Carbohydrate-Containing Materials - A method for synthesizing lactic acid and lactate is invented from carbohydrates, such as monosaccharides and/or polysaccharides in the presence of the catalyst that is the combinations of nitrogen-heterocycle aromatic ring cation salts and metal compounds. In the reaction, at least one alcohol and at least one solvent are used. Specifically, in the presence of [SnCl | 09-05-2013 |
| 20130274505 | PROCESS FOR PRODUCING A LACTIC ESTER FROM A FERMENTATION LIQUOR CONTAINING AMMONIUM LACTATE - The present invention relates to an industrial process for producing a lactic ester containing in total at least seven carbon atoms, from a fermentation liquor containing ammonium lactate in order to avoid the inherent production of gypsum, with a high yield and according to which the loss of lactic ester in the form of lactamide is limited as much as possible. | 10-17-2013 |
| 20130345470 | Purification of 3-Hydroxypropionic Acid from Crude Cell Broth and Production of Acrylamide - A process for producing high purity 3-hydroxypropionic acid from a fermentation cell broth is described. The 3-hydroxypropionic acid can be converted to a variety of products, such as acrylamide, 3-hydroxypropionic esters, acrylic esters, and 3-HP amide. This process features a high degree of product flexibility, limited or no solvent recycle, discrete waste streams, an efficient water removal process, and efficient recovery of products and solvents with proven and scalable equipment. | 12-26-2013 |
| 20140024853 | Synthesis of Lactic Acid and Alkyl Lactate from Carbohydrate-Containing Materials - A method for synthesizing lactic acid and lactate is invented from carbohydrates, such as monosaccharides and/or polysaccharides in the presence of the catalyst that is the combinations of nitrogen-heterocycle aromatic ring cation salts and metal compounds. In the reaction, at least one alcohol and at least one solvent are used. Specifically, in the presence of [SnCl | 01-23-2014 |
| 20140135521 | METHOD FOR PRODUCING ALPHA-HYDROXYCARBOXYLIC ACID ESTERS - The present invention relates to a continuous process for preparing alpha-hydroxycarboxylic esters by reacting at least one alpha-hydroxycarboxamide present in the liquid phase with an alcohol in the presence of a catalyst, which is characterized in that the resulting alpha-hydroxycarboxylic ester is at least partly separated from the reaction mixture via the gas phase. | 05-15-2014 |
| 20140309451 | PURIFICATION OF 3-HYDROXYPROPIONIC ACID FROM CRUDE CELL BROTH AND PRODUCTION OF ACRYLAMIDE - A process for producing high purity 3-hydroxypropionic acid from a fermentation cell broth is described. The 3-hydroxypropionic acid can be converted to a variety of products, such as acrylamide, 3-hydroxypropionic esters, acrylic esters, and 3-HP amide. This process features a high degree of product flexibility, limited or no solvent recycle, discrete waste streams, an efficient water removal process, and efficient recovery of products and solvents with proven and scalable equipment. | 10-16-2014 |
| 20150038734 | METHOD FOR PRODUCING AN ALKYL 3-HYDROXYBUTYRATE - A method for making an alkyl 3-hydroxybutyrate is provided. The method can include reacting an alkyl alcohol with diketene to form an alkyl acetoacetate and then hydrogenating the alkyl acetoacetate to form the alkyl 3-hydroxybutyrate. The method of the present invention may also include separating one or more impurities an alkyl acetoacetate stream and subjecting the purified acetoacetate mixture to hydrogenation to form the alkyl 3-hydroxybutyrate. Methods of the present invention can be carried out on a lab, pilot, or commercial scale. | 02-05-2015 |
| 20160137583 | METHOD FOR PRODUCING ALPHA-HYDROXYCARBOXYLIC ACID ESTERS - The present invention relates to a process for the production of alpha-hydroxycarboxylic esters by means of alcoholysis of the corresponding alpha-hydroxycarboxamide under heterogeneous catalysis. | 05-19-2016 |
| 20160175822 | PROCESS FOR THE CONVERSION OF SUGARS TO LACTIC ACID AND 2-HYDROXY-3-BUTENOIC ACID OR ESTERS THEREOF COMPRISING A METALLO-SILICATE MATERIAL AND A METAL ION | 06-23-2016 |
