Class / Patent application number | Description | Number of patent applications / Date published |
560204000 |
Preparing esters by esterification or carbonylation
| 26 |
560193000 |
Cyclic alcohol moiety
| 15 |
560198000 |
Polyoxy alcohol moiety
| 10 |
560191000 |
Purification or recovery
| 9 |
560196000 |
Nitrogen in alcohol moiety
| 9 |
560201000 |
Unsaturation in alcohol moiety
| 8 |
560202000 |
Preparing esters by oligomerization | 2 |
20100041913 | Polycondensation Catalyst for Producing Polyester and Method for Producing Polyester Using the Same - The invention provides a polycondensation catalyst for producing polyester by an esterification reaction or a transesterification reaction between a dicarboxylic acid or ester-forming derivative thereof and a glycol, wherein the polycondensation catalyst comprises particles of a solid base having on their surfaces either a coat layer of titanic acid in an amount of from 0.1 to 50 parts by weight in terms of TiO | 02-18-2010 |
20150018574 | METATHESIS OF OLEFINS USING RUTHENIUM BASED CATALYTIC COMPLEXES - A self-metathesis process for the production of unsaturated dicarboxylic fatty diacids and/or unsaturated dicarboxylic fatty diesters, wherein unsaturated carboxylic fatty acids and/or esters of unsaturated carboxylic fatty acids are reacted in the presence of at least one defined ruthenium based catalyst compound. A catalyst enhancer compound selected from a sacrificial catalyst or a non-catalyst enhancer may also be used. The process exhibits improved reaction times and/or the catalyst can be used at very low concentrations. | 01-15-2015 |
560197000 |
Halogen in alcohol moiety | 2 |
20120226070 | Fluorine-Containing Compound, Fluorine-Containing Polymer, Negative-Type Resist Composition, and Patterning Process Using Same - A fluorine-containing unsaturated carboxylic acid represented by formula (1), | 09-06-2012 |
20130317251 | Process for the manufacture of fluoromethoxymalonic acid derivatives - Process for the manufacture of a compound of formula R | 11-28-2013 |
560192000 |
Halogen in acid moiety | 2 |
20100004482 | FLUORINATED ESTERS - A compound comprising Formula 2A, 2B, or 2C | 01-07-2010 |
20160145188 | COMPOSITIONS AND METHODS FOR HYDROCARBON FUNCTIONALIZATION - Embodiments of the present disclosure provide for methods of hydrocarbon functionalization, methods and systems for converting a hydrocarbon into a compound including at least one group ((e.g., hydroxyl group) (e.g., methane to methanol)), functionalized hydrocarbons, and the like. | 05-26-2016 |
560203000 |
Preparing esters by alkylation or isomerization | 1 |
20130197264 | METHYLIDENE MALONATE PROCESS - An improved process for the production of methylidene malonates is attained by use of select iminium salt reactants. | 08-01-2013 |
Entries |
Document | Title | Date |
20090171114 | Chiral Ligands Used in Transition Metal Catysts for Asymmetric Addition Reactions Especially Hydrogenation - Ligands of the formula (I) secondary phosphine-Q-P(═O)HR | 07-02-2009 |
20090264672 | METHODS OF MAKING ORGANIC COMPOUNDS BY METATHESIS - Described are methods of making organic compounds by metathesis chemistry. The methods of the invention are particularly useful for making industrially-important organic compounds beginning with starting compositions derived from renewable feedstocks, such as natural oils. The methods make use of a cross-metathesis step with an olefin compound to produce functionalized alkene intermediates having a pre-determined double bond position. Once isolated, the functionalized alkene intermediate can be self-metathesized or cross-metathesized (e.g., with a second functionalized alkene) to produce the desired organic compound or a precursor thereto. The method may be used to make bifunctional organic compounds, such as diacids, diesters, dicarboxylate salts, acid/esters, acid/amines, acid/alcohols, acid/aldehydes, acid/ketones, acid/halides, acid/nitriles, ester/amines, ester/alcohols, ester/aldehydes, ester/ketones, ester/halides, ester/nitriles, and the like. | 10-22-2009 |
20100063313 | METHOD FOR PRODUCING PHOSPHORUS-CONTAINING ALPHA-KETO ACID - A method for efficiently producing 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid, useful as a production intermediate of herbicide L-AMPB. The method comprises using a compound represented by the below formula (4): (4) where R | 03-11-2010 |
20100160670 | NOVEL PROCESS FOR THE PREPARATION OF CHIRAL COMPOUNDS DERIVED FROM HEXANOIC ACID ESTERS AND INTERMEDIATES USED IN THE SYNTHESIS OF CHIRAL-2-(BROMOMETHYL)-2-ETHYLHEXANOIC ACID - The present invention comprises a novel process for the preparation of a chiral compound of formula (I) | 06-24-2010 |
20100197955 | METHOD FOR PRODUCING BUTANEDIOL DIMETHACRYLATES - The present invention relates to a process for preparing butanediol dimethacrylates, which comprises the transesterification of butanediol with an ester of methacrylic acid in the presence of catalysts, wherein a combination comprising at least one lithium compound and at least one calcium compound is used as catalyst, at least one of the compounds of lithium and/or of calcium is an oxide, a hydroxide, an alkoxide having from 1 to 4 carbon atoms or a carboxylate having from 1 to 4 carbon atoms and at least part of the reaction is carried out in the presence of an effective amount of water. The process of the invention makes a particularly inexpensive preparation of butanediol dimethacrylates having a very high purity possible. | 08-05-2010 |
20100204507 | ACYLOXY COMPOUNDS OF ELEMENTS OF THE BORON GROUP - The present invention relates to acyloxy compounds of elements of the boron group, the production of said compounds and the use thereof. | 08-12-2010 |
20100324327 | NOVEL USE OF DIMETHYLFUMARATE - Disclosed are a pharmaceutical composition for inhibiting vascular smooth muscle cell proliferation comprising dimethyl fumarate as an effective ingredient, use of dimethyl fumarate for inhibiting vascular smooth muscle cell proliferation, and a method of inhibiting vascular smooth muscle cell proliferation employing the same. Through the present invention, it was found that dimethyl fumarate could inhibit vascular smooth muscle cell proliferation by increasing the activity of AMPK. Accordingly, dimethyl fumarate can be usefully used as an effective ingredient of a medicine for inhibiting vascular smooth muscle cell proliferation. | 12-23-2010 |
20110144377 | PROCESS FOR THE BIOLOGICAL PRODUCTION OF 3-HYDROXYPROPIONIC ACID WITH HIGH YIELD - The present invention provides a microorganism useful for biologically producing 3-hydroxypropionic acid from a fermentable carbon source. Further, the microorganism comprises disruptions in specified genes and alterations in the expression levels of specified genes that are useful in a higher yielding process to produce 3-hydroxypropionic acid, compositions comprising renewably sourced 3-hydroxypropionic acid provided by said microorganism, and industrial relevant products made using such renewably sourced 3-hydroxypropionic acid. | 06-16-2011 |
20120065422 | LACTYLATE SYNTHESIS METHODS USING DILACTIDES - The present invention involves a new synthesis route for the formation of lactylates. The method comprises reacting a dilactide with a compound comprising a hydroxy group. This reaction is preferably carried out in the presence of a cation or other source of alkalinity. Preferred compounds comprising a hydroxy group include any fatty acid and fatty acid alcohol (particularly C | 03-15-2012 |
20120178959 | PROCESS FOR PREPARING OCTENOIC ACID DERIVATIVES - The invention relates to a process for preparing chiral octenoic acid derivatives, which constitute important intermediates in the preparation of medicament active ingredients, and also to novel intermediates which are used in the process for preparing the octenoic acid derivatives mentioned. | 07-12-2012 |
20120245375 | SYNTHESIS OF ALPHA,OMEGA-DICARBOXYLIC ACIDS AND ESTERS THEREOF FROM UNSATURATED FATTY ACID DERIVATIVES - A process for preparing an alpha, omega-dicarboxylic acid or an ester thereof, which includes (a) subjecting at least one unsaturated fatty acid or fatty acid derivative to ozonolysis to obtain an ozonolysis reaction mixture; and (b) oxidizing the ozonolysis reaction mixture with an oxidizing agent in the presence of an acid catalyst to obtain an oxidized reaction mixture comprising at least one alpha, omega-dicarboxylic acid or ester; wherein the process is performed using a solvent and the acid catalyst has a pKa of less than or equal to zero, as measured at 25° C. | 09-27-2012 |
20130131374 | PENTAERYTHRITOL TETRAESTER - A pentaerythritol tetraester which is a mixed ester of pentaerythritol and carboxylic acids is provided, wherein the carboxylic acids consist of isobutyric acid and 3,5,5-trimethylhexanoic acid and the molar ratio of isobutyric acid to 3,5,5-trimethylhexanoic acid in the carboxylic acids is 36/64 to 80/20. 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 |
20130150617 | MONOLITHIC STRUCTURED CATALYST FOR CARBON MONOXIDE GASE-PHASE COUPLING TO DIALKYL OXALATE & PREPARATION METHOD AND APPLICATION THEREOF - Provided is a monolithic catalyst for synthesizing an oxalate by carbon monoxide (CO) gaseous-phase coupling, a preparation method and the use thereof. In the catalyst, a ceramic honeycomb or a metal honeycomb was used as skeletal carrier, metal oxides were used as a carrier coating, precious metals Pt, Pd, Ir, Rh were used as active ingredients, as well as Fe, Co, Ni were used as additives, wherein the carrier coating accounts for 5 to 50 wt % of the honeycomb carrier the active ingredients of the catalyst account for 0.1 to 5 wt. % of the carrier coating; the additives of the catalyst account for 0.3 to 10 wt. % of the carrier coating; and the atomic ratio of the active ingredients to the additives was 0.1 to 3. the reaction for synthesizing the oxalate was carried out in a fixed bed reactor, wherein, N2 was used as a carrier gas. The volume ratio of N2:CO: Alkyl nitrite was 20-80:5-60:10-40, and the retention time was 0.5-10 s. | 06-13-2013 |
20130172597 | METHOD FOR PRODUCING OPTICALLY ACTIVE 1,2-BIS(DIALKYLPHOSPHINO)BENZENE DERIVATIVE - An industrially advantageous method for producing an optically active 1,2-bis(dialkylphosphino)benzene derivative of the present invention is provided. The method is characterized in that a phosphine-borane compound represented by the following general formula (1) is subjected to a deboronation reaction, followed by lithiation, then the reaction product is subjected to reaction with an alkyldihalogenophosphine represented by R | 07-04-2013 |
20130231498 | Neopentyl Glycol Diester - A neopentyl glycol diester which is a mixed ester of neopentyl glycol and carboxylic acids is provided, wherein the carboxylic acids comprising isobutyric acid as well as 2-ethylhexanoic acid and/or 3,5,5-trimethylhexanoic acid. The neopentyl glycol diester may be used in a refrigerant oil or the like which exhibits excellent miscibility with a difluoromethane refrigerant among other properties. | 09-05-2013 |
20140121402 | METHODS OF REFINING AND PRODUCING DIBASIC ESTERS AND ACIDS FROM NATURAL OIL FEEDSTOCKS - Methods and systems for making dibasic esters and/or dibasic acids using metathesis are generally disclosed. In some embodiments, the methods comprise reacting a terminal olefin ester with an internal olefin ester in the presence of a metathesis catalyst to form a dibasic ester and/or dibasic acid. In some embodiments, the terminal olefin ester or the internal olefin ester are derived from a renewable feedstock, such as a natural oil feedstock. In some such embodiments, the natural oil feedstock, or a transesterified derivative thereof, is metathesized to make the terminal olefin ester or the internal olefin ester. | 05-01-2014 |
20140155647 | Method for the Synthesis of Diacids or Diesters from Natural Fatty Acids and/or Esters - Disclosed herein a process for the synthesis of diacids or diesters of general formula ROOC—(CH | 06-05-2014 |
20140194646 | Alkyl Lactyllactates and Processes of Making the Same - Provided are alkyl lactyllactate compositions that can be prepared from (1) lactide or alternatively lactic acid, and (2) a hydroxyl containing compound such as an alcohol, preferably a fatty alcohol or an alkoxylated alcohol, with (3) an acid catalyst. Preferably, the fatty alcohol contains from about 6 to 18 carbon atoms, such as lauryl alcohol. The alkyl lactyllactates can be used as surfactants, emulsifiers, skin feel agents, film formers, thickeners, rheological modifiers, etc., for personal care and other application areas. Compositions containing at least one alkyl lactyllactate are also provided. The compositions can further contain at least one surfactant. | 07-10-2014 |
20140343316 | Esters Of Structurally Symmetric Alkoxylated Polyols And Applications Thereof - In one aspect, compositions are described herein. In some embodiments, a composition comprises an ester reaction product of a structurally symmetric alkoxylated polyol and a carboxylic acid or carboxylic acid equivalent. In some embodiments, the structurally symmetric alkoxylated polyol comprises an alkoxylated pentaerythritol, dipentaerythritol, tripentaerythritol, higher oligomer of a pentaerythritol, or a combination thereof. | 11-20-2014 |
20150011792 | PROCESS FOR PREPARING POLYESTER ALCOHOLS - The invention relates to a process for preparing polyester alcohols by catalytic reaction of at least one at least polyfunctional carboxylic acid with at least one polyfunctional alcohol and/or by catalytic ring-opening polymerization of cyclic esters in the presence of catalysts, wherein a zeolite is used as catalyst. | 01-08-2015 |
20150329464 | CONTINUOUS PROCESS FOR THE PREPARATION OF (S)-2-ACETYLOXYPROPIONIC ACID CHLORIDE - The present invention relates to a continuous method for the preparation of (S)-2-acetyloxypropionic acid from an aqueous solution of lactic acid and acetic anhydride, in acetic acid. (S)-2-acetyloxypropionic acid is used for the preparation of (S)-2-acetyloxypropionic acid chloride, an essential intermediate compound for the preparation of lopamidol and has to be industrially produced with high purity and suitable quality for producing lopamidol according to the Pharmacopoeia requirements. The continuous process according to the invention, comprises therefore also the chlorination steps of (S)-2-acetyloxypropionic acid with thionyl chloride to give the corresponding (S)-2-acetyloxypropionic acid chloride which is further distilled to give the suitable purity characteristics for its use for the preparation of non-ionic iodinated contrast agents as lopamidol. | 11-19-2015 |
20150361460 | METHODS, REAGENTS AND CELLS FOR BIOSYNTHESIZING COMPOUNDS - This document describes biochemical pathways for producing 2,4-pentadienoyl-CoA by forming one or two terminal functional groups, comprised of carboxyl or hydroxyl group, in a C5 backbone substrate such as glutaryl-CoA, glutaryl-[acp] or glutarate methyl ester. 2,4-pentadienoyl-CoA can be enzymatically converted to 1,3-butadiene. | 12-17-2015 |