| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 12/12/2002 | WO2002098792A1 Method of separating acid |
| 12/12/2002 | WO2002098556A1 Non-crushable, non-friable, non-breakable carbon catalyst supports |
| 12/12/2002 | WO2002098434A1 Method of producing calcium gluconolactate, compositions, processes and uses of same |
| 12/12/2002 | WO2002024620A3 Method for producing a multi metal oxide catalyst, method for producing unsaturated aldehydes and/or carboxylic acids and band calcination device |
| 12/12/2002 | US20020188155 Process for the production of aromatic acids |
| 12/12/2002 | US20020188153 Apparatus and process for the high yield production of methyl methacrylate or methacrylic acid |
| 12/12/2002 | US20020188150 Mixed-metal oxide catalysts and processes for preparing the same |
| 12/12/2002 | US20020188149 Contacting mixed metal oxide with a liquid selected from organic acids, alcohols, inorgaic acids and hydrogen peroxide to form a mixture, recovering insoluble material from the mixture, calcining the mixture in nonoxidizing atmosphere |
| 12/12/2002 | US20020188140 Purification method for obtaining high-purity pmda |
| 12/12/2002 | US20020187231 Treated with active carbon. |
| 12/12/2002 | DE10224937A1 Separation of highly unsaturated compounds, e.g. essential polyunsaturated fatty acids, from liquid mixtures, e.g. oils, by selective complexation on silver ion-charged acidic cation exchanger |
| 12/12/2002 | DE10128242A1 Hydrogenation of organic compounds e.g. aromatic amines or phenols, by using hydrogen in presence of catalyst comprising ruthenium on amorphous silicon dioxide based carrier |
| 12/11/2002 | EP1264819A1 Process for inhibiting polymerization of a vinyl compound |
| 12/11/2002 | EP1263939A1 18477, a human protein kinase and uses therefor |
| 12/11/2002 | EP1263709A2 Process for the carbonylation of ethylenically unsaturated compounds |
| 12/11/2002 | EP1263707A2 Method for the synthesis of aliphatic carboxylic acids from aldehydes |
| 12/11/2002 | EP1263706A2 Method for the synthesis of straight-chain aliphatic carboxylic acids from aldehydes |
| 12/11/2002 | EP1263698A2 A process for converting cellulosic material into liquid hydrocarbons |
| 12/11/2002 | EP0991617B1 Process for the production of carboxylic acid |
| 12/11/2002 | EP0920407B1 Process for improving productivity of a carbonylation catalyst solution by removing corrosion metals |
| 12/11/2002 | CN1384813A Process for production of fluorocarboxylic acid anhydrides |
| 12/11/2002 | CN1384090A Extraction process of tanshin general phenolic acid and its prepn and use |
| 12/11/2002 | CN1384089A Extract containing rich gamma-linolenic acid and its prepn |
| 12/11/2002 | CN1383916A Annealing and promoting catalyst |
| 12/11/2002 | CN1095824C Process for preapring high-purity alpha-linolenic acid |
| 12/11/2002 | CN1095823C Process for synthesizing acyl chloride |
| 12/11/2002 | CN1095822C Production of terephthalic acid |
| 12/10/2002 | US6492551 Method for manufacturing alkali metal or alkaline-earth metal formate |
| 12/10/2002 | US6492548 Process for the oxidation of alkanes |
| 12/10/2002 | US6491795 Process for recovering benzyl benzoate |
| 12/05/2002 | WO2002057247A3 Addition of mineral acids or salts thereof to a trimellitic acid anhydride production process |
| 12/05/2002 | US20020183570 Method of treating fluorine compound and treated substance |
| 12/05/2002 | US20020183550 Process for producing fluorocarboxylic anhydride |
| 12/05/2002 | US20020183549 Method and apparatus of methyl acetate hydrolysis |
| 12/05/2002 | US20020183548 High temperature mixing |
| 12/05/2002 | US20020183547 Vapor phase oxidation or amoxidation of an alkane and alkene to unsaturated carboxylic acid and nitriles |
| 12/05/2002 | US20020183546 Oxidation of a dialkyl benzene by a two-stage process utilizing certain conditions |
| 12/05/2002 | US20020183212 For use in lubricating a marine diesel engine |
| 12/05/2002 | US20020183199 Contacting mixed metal oxide with liquid selected from organic acids, alcohols, inorganic acids and hydrogen peroxide; recovering insoluble material; calcining insoluble material; mixing with promoter in solvent; removing solvent; calcining |
| 12/05/2002 | US20020183198 Contacting mixed metal oxide with liquid selected from organic acids, alcohols, inorganic acids and hydrogen peroxide; recovering insoluble material; calcining insoluble material; mixing with promoter in solvent; removing solvent; calcining |
| 12/05/2002 | DE10232967A1 Oxidation synthesizing reactor for e.g. synthesis of phthalic acid anhydride, comprises diagonal-action impeller wheel with heat medium throttle gap parallel to shaft |
| 12/04/2002 | EP1262235A2 Mixed-metal oxide catalysts containing molybdenum and vanadium and processes for preparing the same |
| 12/04/2002 | EP1261657A2 Poly(3-cyclopropyl-3-hydroxypropionate) and processes for its preparation and derivatives thereof |
| 12/04/2002 | EP1261597A1 Method for producing maleic acid anhydride |
| 12/04/2002 | EP1261582A1 Process for the preparation of triflic anhydride |
| 12/04/2002 | EP1261575A2 Improved method for producing symmetrical anhydrides |
| 12/04/2002 | EP1261574A2 Process for the recovery of organic acids from aqueous solutions |
| 12/04/2002 | EP1261424A1 Hollow cylindrical catalyst and a method for producing a maleic acid anhydride |
| 12/04/2002 | EP1102738B1 Method for the acidic or alkaline saponification of biphenyl nitriles |
| 12/04/2002 | EP1093441B1 Method for recovering fluorinated alkanoic acids from waste waters |
| 12/04/2002 | EP1003707B1 Malonic acid and esters thereof |
| 12/04/2002 | EP0960090B1 Co-production of perfluoromethyl perfluorovinyl ether and perfluoroethyl perfluorovinyl ether |
| 12/04/2002 | EP0929511B1 Molybdenum based oxidation catalysts |
| 12/04/2002 | CN1382682A 2-(alpha-hydroxypentyl) benzoate and its preparing process and usage |
| 12/04/2002 | CN1382681A Method for mfg methacrylic acid |
| 12/04/2002 | CN1382680A Process for preparing chloracetic acid |
| 12/04/2002 | CN1382523A 改进的催化剂 Improved catalyst |
| 12/04/2002 | CN1382522A Reroasted catalyst |
| 12/04/2002 | CN1095470C Ferrocene oxazoline phosphino ligand with several chiral centers and its synthesis and use |
| 12/03/2002 | US6489510 Photochemically oxidizing 2-chloro-1,1,1,2-tetrafluoroethane with oxygen in gaseous phase to produce trifluoroacetyl fluoride |
| 12/03/2002 | US6489509 Methods of storing aqueous potassium sorbate solution |
| 12/03/2002 | US6489508 Method for purifying lactic acid |
| 12/03/2002 | US6489507 Treating grignard reagent from 3,5-bis(trifluoromethyl)bromobenzene with carbon dioxide gas in solvent at low temperature, treating product with strong acid to give 3,5-bis(trifluoromethyl)benzoic acid |
| 12/03/2002 | US6489479 Process for the preparation of mixed anhydrides |
| 11/28/2002 | WO2002094925A2 Shelf stable haze free liquids of overbased alkaline earth metal salts, processes and stabilizing halogen-containing polymers therewith |
| 11/28/2002 | WO2002094760A2 Process for the preparation of 7-substituted 3-alkyl-3h-isobenzofuran-1-one derivatives |
| 11/28/2002 | WO2002094757A1 Production, purification and polymerization of dicarboxylic acids |
| 11/28/2002 | WO2002094756A1 Synthesis of 4-phenylbutyric acid |
| 11/28/2002 | WO2002094255A1 Method for the production of solid formulations of sodium 3-hydroxy-3-methylbutyrate |
| 11/28/2002 | WO2002012155A3 Process for the preparation of chiral 1,4-diaryl-2-fluoro-2-butenes |
| 11/28/2002 | US20020177734 Process for preparing saturated carboxylic acids having from 1 to 4 carbon atoms |
| 11/28/2002 | US20020177733 Manufacture of cyclic aliphatic acids and esters |
| 11/28/2002 | DE10124641A1 New isotopically marked oxalyl fluoride compounds useful for production of tracer materials in organic chemistry, polymer chemistry and medicine |
| 11/27/2002 | EP1260495A2 A process for preparing a multi-metal oxide catalyst |
| 11/27/2002 | EP1260268A2 Preparing libraries of chemical compositions |
| 11/27/2002 | EP1259474A1 Calcium dicarboxylate ethers, methods of making same, and treatment of vascular disease and diabetes therewith |
| 11/27/2002 | EP1259473A1 Method for producing chlorocarboxylic acid chlorides |
| 11/27/2002 | EP1259472A1 Method for producing chlorocarboxylic acid chlorides |
| 11/27/2002 | EP1214328A4 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions |
| 11/27/2002 | EP1019356B1 Method for producing 3-hydroxy-2-methylbenzoic acid |
| 11/27/2002 | CN1382114A Process for production of organic acids and esters thereof |
| 11/27/2002 | CN1381436A Process for synthesizing tartaric acid from maleic acid |
| 11/27/2002 | CN1381309A Improved multi-metal oxide catalyst |
| 11/27/2002 | CN1094922C Method for preparing oxalic acid by using diethyl oxalate |
| 11/27/2002 | CN1094788C Catalyst for production of 1,2,4,5-benzoic anhydride and its use |
| 11/26/2002 | US6486325 Process for the preparation of piperidinylaminomethyl trifluoromethyl cyclic ether compounds |
| 11/22/2002 | WO2001090062A2 Method for the production of trifluoroethoxy-substituted benzoic acids |
| 11/22/2002 | CA2409853A1 Method for the production of trifluoroethoxy-substituted benzoic acids |
| 11/21/2002 | WO2002092549A1 Agitation system for alkylbenzene oxidation reactors |
| 11/21/2002 | WO2002092548A1 Method for oxidising an aromatic aldehyde into the corresponding carboxylic acid |
| 11/21/2002 | WO2002092214A1 Process for producing a compound |
| 11/21/2002 | WO2002066411A3 Polyhalogen-substituted cinnamic acids and cinnamic acid derivatives and a method for producing the same |
| 11/21/2002 | WO2002064539A3 Method for the production of phthalic anhydride to a specification |
| 11/21/2002 | US20020173681 Regeneration of onium fluoride-HF adducts |
| 11/21/2002 | US20020173674 Esterifying the crude aryldicarboxylic acid with an alcohol, removing volatile impurities from the esterification effluent by distillation and separating the aryldicarboxylic acid ester from said effluent |
| 11/21/2002 | US20020173673 Production, purification and polymerization of aromatic dicarboxylic acids |
| 11/21/2002 | US20020173422 Oxidative reactions using membranes that selectively conduct oxygen |
| 11/21/2002 | DE10219089A1 Verfahren zum Transport und/oder Lagerung von Acrylsäure A method for transport and / or storage of acrylic acid |
| 11/21/2002 | DE10124390A1 Production of 2-ethylheptanol for use e.g. in plasticiser production, involves cleavage of 2-ethylidene-6-hepten-5-olide with hydrogen in presence of a mixture of Group VIII metal compound and Group VI or VII metal carbonyl |
| 11/20/2002 | EP1258292A1 Oxidation catalytic system and oxidation process using same |