| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 02/20/1997 | WO1997006156A1 PROCESS FOR PRODUCING 2-(φ-ALKOXYCARBONYLALKANOYL)-4-BUTANOLIDE AND LONG-CHAIN φ-HYDROXY CARBOXYLIC ACID |
| 02/20/1997 | WO1997005949A1 Method for separating a palladium catalyst |
| 02/19/1997 | EP0758640A1 Recovery of components from polyester resins |
| 02/19/1997 | EP0758562A1 Catalyst and process for producing the same |
| 02/19/1997 | EP0758311A1 Catalyst recovery in the carbonylation of chlorobutenes to pentenoyl chloride |
| 02/19/1997 | CN1143070A Photochemical method for preparation of 13-Cis retinoic acid |
| 02/19/1997 | CN1143069A Purifying method for pronenoic acid prepared by propene catalyzing and oxidizing |
| 02/19/1997 | CN1143068A Preparing acrolein propenoic acid or its mixture from propane |
| 02/19/1997 | CN1034071C Process for purification of carboxylic acid and/or their anhydrides |
| 02/18/1997 | CA2183596A1 Mass transfer in plate columns and apparatus for this purpose |
| 02/13/1997 | WO1997005092A1 Method of producing nonferrous-metal carboxylates |
| 02/13/1997 | DE3890895C2 3-Methyl:tetra:hydro:phthalic anhydride prodn. by diels-alder reaction |
| 02/12/1997 | EP0757667A1 Processes for preparing aromatic, bromine-containing compounds, novel bromine-containing compounds, and their use as intermediate products in the synthesis of active agents |
| 02/12/1997 | EP0655997B1 Pyridinium intermediates and the process for preparing the same |
| 02/12/1997 | CN1142484A Petroleum asphalt anti-releasing agent |
| 02/12/1997 | CN1034013C Preparing process for rich maleic acid rare-earth complex |
| 02/11/1997 | US5602280 Vapor phase catalytic oxidation of propylene, isobutylene or tertiary butanol |
| 02/11/1997 | US5602104 Skin disorders, conjunctive tissue disorders, antitumor agents |
| 02/11/1997 | CA2063792C Process for making bismuth carboxylates |
| 02/11/1997 | CA1338905C Fermentation and purification process for succinic acid |
| 02/06/1997 | WO1997004021A1 Optical clarity stabilizing fatty alkyl diethanolamines |
| 02/06/1997 | WO1997003941A1 A process for the preparation of cyclopropane carboxylic acids and intermediates therefor |
| 02/05/1997 | EP0756894A2 Multimetal oxide masses |
| 02/05/1997 | EP0756588A1 Method for carboxylating a phenol ether |
| 02/05/1997 | EP0756519A1 Process for preparing an oxidation catalyst and use thereof |
| 02/05/1997 | EP0621861B1 A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof |
| 02/05/1997 | CN1142202A Process for producing an iridium solution and use of same as catalyst |
| 02/05/1997 | CN1141911A Process for preparation of maleic anhydride |
| 02/05/1997 | CN1141910A Process for production of acetic acid through carbonylation |
| 02/05/1997 | CA2182306A1 Multimetal oxide materials |
| 02/04/1997 | US5599981 Process for producing alkylbenzoyl chloride |
| 02/04/1997 | US5599980 Process for the preparation of polyhalogenated benzotrifluorides, benzotrichlorides and benzoyl chlorides and new trihalogenobenzotrichlorides and -benzoyl chlorides |
| 02/04/1997 | US5599979 Using propionic acid, butyric acid, valeric acid or 2-ethylhexanoic acid |
| 02/04/1997 | US5599977 Controlling the temperature during the reaction of a saccharide and nitric acid to produce a carbohydrate-derived acid by blowing a gas, e.g. oxygen, air, nitrogen into the reaction mixture |
| 02/04/1997 | US5599976 Reacting methanol, methyl acetate or dimethyl ether in the presence of a group 8 metal catalyst, methyl iodide and water; separation; purification; recycling methyl acetate |
| 02/04/1997 | US5599975 Cyclised analogues of fatty acid metabolites |
| 02/04/1997 | US5599971 Method for producing 1,4-dihydroxy-2-naphthoic acid |
| 02/04/1997 | US5599969 Process of resolving phenylpropionic acids using α-methylbenzylamine |
| 02/04/1997 | CA2067055C Process for preparing adipic acid through hydrocarboxylation of pentenic acids |
| 01/30/1997 | DE19527284A1 Verfahren zur Herstellung eines Buntmetallcarboxylates A method for producing a Buntmetallcarboxylates |
| 01/29/1997 | EP0755914A1 Process for producing isobenzofurandiones |
| 01/29/1997 | EP0755913A1 Process for preparing of 2,4-dibromo-4- and -3-fluorobutanoic acid as well as their derivatives |
| 01/29/1997 | EP0755517A1 A method for detecting the presence of a mycobacterium species and a kit and antibodies for use therein |
| 01/29/1997 | EP0755303A1 Coated catalytic compositions including bismuth, nickel, cobalt, iron and molybdenum, and use thereof for preparing unsaturated aldehydes |
| 01/29/1997 | EP0663897B1 Process for separating enantiomers from a racemic mixture |
| 01/29/1997 | CN1141281A Method for recovery of petroleum acids from mixed extract of isopropyl alcohol-ammonia water |
| 01/29/1997 | CA2182074A1 Process for the preparation of 2,4-dibromo-4- and -3-fluorobutanecarboxylic acid and its derivatives |
| 01/23/1997 | WO1997002228A1 Process to prepare 5-formylvaleric acid |
| 01/23/1997 | WO1997002091A1 Supported carbonylation catalyst |
| 01/23/1997 | CA2226150A1 Process to prepare 5-formylvaleric acid |
| 01/23/1997 | CA2226146A1 Supported carbonylation catalyst |
| 01/22/1997 | EP0754673A1 Process for the production of terephthalic acid |
| 01/22/1997 | EP0754671A1 Process for the purification of acrylic acid obtained by the oxydation of propylene |
| 01/22/1997 | EP0590087B1 A process for controlling the regeneration of boron trifluoride catalyst complex in the production of carboxylic acids |
| 01/22/1997 | CN1141030A Process for the preparation of 5-formylvaleric acid and 5-formylvalerate ester |
| 01/22/1997 | CN1140747A Process for production of petrochemicals |
| 01/22/1997 | CN1140704A Process for selective oxidation of compounds |
| 01/21/1997 | US5596129 Liquid phase oxidation of alkylbenzene |
| 01/21/1997 | US5596114 Enantioselective hydrogenation catalysts |
| 01/21/1997 | US5596111 Oxidative cleavage of olefinic compounds, inorganic oxide catalysts, hydrogen peroxide |
| 01/21/1997 | US5596104 Preparation of 3,4,6-trifluorophthalic acid |
| 01/21/1997 | US5596016 1,2-disubstituted aromatic chelates |
| 01/21/1997 | US5595714 Complexing gadolinium with polyaminocarboxylic acids, acidification, adding oxalate ions, filtration the gadolinium oxalate, basification and precipitation |
| 01/21/1997 | CA2068676C Process of the linear decarbonylation of difonctionalized butenes |
| 01/16/1997 | WO1997001605A1 Novel colorants and colorant modifiers |
| 01/16/1997 | WO1997001536A1 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity |
| 01/16/1997 | WO1997001525A1 Process for separating pivalic acid from spent reaction mixtures |
| 01/16/1997 | CA2224806A1 Process for separating pivalic acid from spent reaction mixtures |
| 01/16/1997 | CA2221565A1 Novel colorants and colorant modifiers |
| 01/15/1997 | EP0753503A1 Process for preparation of xylaric acid and use thereof |
| 01/15/1997 | EP0753497A1 Process for the selective preparation of monofluoro derivatives |
| 01/15/1997 | EP0752975A1 Zeolites and processes employing them |
| 01/15/1997 | EP0752915A1 Catalyst for vapor phase oxidation of alkane hydrocarbons |
| 01/15/1997 | EP0619803B1 Process for the manufacture of adipic acid |
| 01/15/1997 | CN1140465A Hydrogenation of unsturated fats, fatty acids or fatty acid esters |
| 01/15/1997 | CN1140198A Process for producing petrochemicals |
| 01/15/1997 | CN1140162A Recovery of noble light products in distillation residues obtd. during manufacture of acrylic acid or its ester |
| 01/15/1997 | CN1033802C Removal of halide impurities from organic liquids |
| 01/15/1997 | CA2181134A1 Process for the selective preparation of monofluoro derivatives |
| 01/14/1997 | US5594078 Process for producing broad molecular weight polyolefin |
| 01/09/1997 | WO1997000847A1 Difluorochloracetyl, dichloracetyl and trichloracetyl chloride preparation |
| 01/09/1997 | WO1997000846A1 Nitric acid hydrolysis of polyamides |
| 01/08/1997 | EP0752421A1 Ortho-substituted aromatic compounds, containing three (het)aryl moieties, their preparation and their use as prostaglandin E2-(PGE2)-antagonists |
| 01/08/1997 | EP0752406A1 Process for the production of acetic acid by carbonylation |
| 01/08/1997 | EP0751927A1 Synthesis of compounds with predetermined chirality |
| 01/08/1997 | CN1139657A Gas phase oxidation method of continual multi-phase catalyze for organic compound |
| 01/08/1997 | CN1033749C Process for production of anhydrides and nitriles |
| 01/07/1997 | US5591893 Ozonolysis; oxidation with hydrogen peroxide |
| 01/07/1997 | US5591878 Catalyzed process for producing metal carboxylates for use as animal feed supplements |
| 01/07/1997 | US5591877 Hydrolyzing fluorinated carboxylic ester in aqueous ammonia to form salt; ammoniation |
| 01/07/1997 | US5591870 Oxidation of hydrocarbon to produce maleic anhydride |
| 01/02/1997 | EP0751223A2 Method for preparing dimethylolcarboxylic acid derivatives |
| 01/02/1997 | EP0751131A1 A process for preparing an acyl halide or sulfonyl halide |
| 01/02/1997 | EP0750942A2 Particulate catalyst for use in a fluidized bed |
| 01/02/1997 | EP0750603A1 A process and extractant composition for extracting acids |
| 01/02/1997 | EP0750602A1 Process for producing alcohols and/or aldehydes |
| 01/02/1997 | EP0666837B1 Depolymerization of substantially amorphous polyesters |
| 01/02/1997 | DE19620018A1 Herstellung von Diflurchlor-, Dichlor- und Trichloracetylchlorid Production of Diflurchlor-, dichloro- and trichloroacetyl |
| 01/01/1997 | CN1139426A Aryl acetic acid derivatives and use as germicide |
| 01/01/1997 | CN1139420A Production of NO from N2O |