Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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03/13/1996 | CN1118344A Processes for producing tetrafluorophthalic anhydride and fluorobenzoic acids |
03/13/1996 | CN1031285C Process for preparing high-concentration mixtures of polyunsaturated fatty acids and their esters from oils of animal and/or vegetable origin |
03/13/1996 | CN1031260C Process for preparing carboxylic acids |
03/12/1996 | US5498824 Olefin complexing reagents |
03/12/1996 | US5498799 Process for producing optically active 2-norbornanone |
03/12/1996 | US5498750 Process for the preparation of 1-fluoro-cyclopropane-1-carboxylic acid |
03/12/1996 | US5498585 Selective hydrogenation |
03/09/1996 | CA2157632A1 Catalytic gas-phase oxidation of acrolein to acrylic acid |
03/08/1996 | CA2157238A1 Reactions catalyzed by haloporphyrins |
03/07/1996 | WO1996006821A1 Neurotrophic and antiproliferative compounds |
03/07/1996 | DE4428480A1 New 4-isopropyl-3-(methyl-sulphonyl)-benzoate ester cpds. |
03/07/1996 | CA2198728A1 Neurotrophic and antiproliferative compounds |
03/06/1996 | EP0699177A1 A process for the preparation of gemfibrozil |
03/06/1996 | EP0591176B1 Method for the preparation of an aluminium triformate solution containing alkali metals and/or alkaline-earth metals, highly concentrated aluminium triformate solutions containing alkali metals and/or alkaline-earth metals, and the use of such solutions |
03/06/1996 | CN1117975A Organometallic fluorenyl compounds, preparation, and use |
03/05/1996 | US5496787 Process for producing a vanadium-phosphorus oxide catalyst precursor |
03/05/1996 | CA1338121C Anticonvulsant and neuroprotective 2-aminoacetamide derivatives |
02/29/1996 | WO1996006099A1 1,2-disubstituted aromatic chelates |
02/29/1996 | WO1996006065A1 Dehydration of acetic acid by azeotropic distillation in the production of an aromatic acid |
02/29/1996 | WO1996005741A1 Hydroxycitric acid concentrate and method of making |
02/28/1996 | EP0698007A1 Improved basic calcium carboxylates |
02/28/1996 | EP0632747B1 Shell catalyst, process for producing the same and its use |
02/28/1996 | CN1117714A Separation process |
02/28/1996 | CN1117485A Method for separation and extraction of knopper-gall tannin from the solution of same |
02/27/1996 | US5495045 Reacting alkoxyalkanol with stable free radical nitroxide in presence of cerium salt, nitrite compound, polar solvent, oxidant and water |
02/27/1996 | US5495034 Method for preparing α-substituted ω-hydroperfluoroalkanes |
02/27/1996 | US5494994 Salts of pyromellitic acid, a process for their preparation and their use |
02/22/1996 | WO1996005191A1 Natriuretic cyclic compounds |
02/22/1996 | WO1996005165A1 Retinoic acid x-receptor ligands |
02/22/1996 | WO1996005163A1 Method of manufacturing acetic acid |
02/22/1996 | WO1996005162A1 Method of manufacturing lower aliphatic monocarboxylic acids |
02/22/1996 | WO1996005140A1 Two powder synthesis of hydrotalcite and hydrotalcite-like compounds |
02/22/1996 | DE4428977A1 Processing by-prod. stream from direct oxidn. of cyclohexane to adipic acid |
02/21/1996 | EP0696929A1 Method for the decomposition of trichloroacetic acid |
02/21/1996 | CN1117290A Bicyclic carboxylic acid leukotriene B4 antagonists |
02/21/1996 | CN1117270A Filtration process |
02/21/1996 | CN1117091A Electrosynthesis of metal carboxylates |
02/21/1996 | CN1117042A Improved, controlled temperature process for making2,2'-oxodisuccinates useful as laundry detergent builders |
02/21/1996 | CN1117041A Process for producing a phosphours-vanadium oxide catalyst precursor, process for producing a phosphorus-vanadium oxide catalyst, and process for producing maleic anhydride by vapor phase oxidation... |
02/21/1996 | CN1117040A Method and apparatus for recovering carboxylic acids from dilute solutions |
02/21/1996 | CN1117039A Heteropolyacid-based catalysts and use thereof for the preparation of aliphatic carboxylic acids |
02/21/1996 | CN1031050C Method for production of acrylic acid |
02/20/1996 | US5493054 Process for the synthesis of acid halides and reactants useful for its implementation |
02/20/1996 | US5493052 Catalytic vapor phase oxidation of acrolein to acrylic acid using mixed oxides of molybdenum, vanadium, tungsten, copper and nickel |
02/20/1996 | US5493051 Lifibrol and its use |
02/20/1996 | US5493048 Fluoro-trifluoromethylbenzoic acid derivatives |
02/20/1996 | US5493037 Nickel catalyst |
02/20/1996 | US5493033 Process for purifying tetrachlorophthalic anhydride |
02/20/1996 | US5493025 Reacting polyfluoroacid chloride with an acid chloride in presence of tertiary amine; intermediate for 2-arylpyrimidine, an herbicide |
02/20/1996 | US5492915 Substituted quinolyl compounds exhibiting selective leukotriene B4 antagonist activity |
02/20/1996 | US5492877 Reacting fossil flour with an ammonia complex of nickel and copper; precipitation; filtration; drying; calcining; reduction with hydrogen |
02/20/1996 | US5492830 Enzymatic resolution of α-tertiary carboxylic acid esters |
02/20/1996 | US5492625 Method of recovering carboxylic acids from dilute solutions |
02/20/1996 | US5492603 Apparatus for recovering acetic acid from aqueous streams |
02/15/1996 | WO1996004289A1 High activity ruthenium or osmium metal carbene complexes for olefin metathesis reactions and synthesis thereof |
02/15/1996 | DE4428567A1 Prepn. of lower aliphatic mono:carboxylic acids |
02/14/1996 | EP0696566A1 Process for production of phenyllactic acid derivative |
02/14/1996 | EP0696565A1 Method of purifying acetic acid |
02/14/1996 | CN1116617A Process for producing acetic anhydride and acetic acid |
02/13/1996 | US5491258 Molded catalyst or supported catalyst for synthesizing methacrolein and methacrylic acid, a process for production thereof, and a process of use thereof |
02/13/1996 | US5491244 Acrylate ester |
02/13/1996 | US5490936 Process for catalyst recovery |
02/08/1996 | WO1996003365A1 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid |
02/08/1996 | WO1996003356A1 Halogenation reactions |
02/08/1996 | DE4427474A1 Adipic acid prepn. by oxidising cyclohexane with oxygen |
02/08/1996 | CA2195576A1 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid |
02/07/1996 | EP0695749A1 Process for the selective hydrogenation of activated, ethylenically unsaturated compounds |
02/07/1996 | EP0695736A1 Purification of acrylic acid by areotropic distillation |
02/07/1996 | EP0695735A1 Process for the preparation of trichloroacetyl chloride |
02/07/1996 | EP0695286A1 Method of preparing caesium salts from caesium aluminium alum |
02/07/1996 | EP0672029A4 SELECTIVE PRECIPITATION OF -g(a)-ARYL CARBOXYLIC ACID SALTS. |
02/07/1996 | CN1116411A Catalytic decomposition process of nitrous oxide pure or contained in gaseous mixtures |
02/07/1996 | CN1116197A Method for production of pyromellitic anhydride |
02/07/1996 | CN1030909C Acetone removal process |
02/06/1996 | US5489731 Preparation of aromatic vinyl compounds |
02/06/1996 | US5489716 Partial oxidation of hydrocarbons to hydroxy-group containing compounds |
02/06/1996 | US5489715 Process for preparing 4,5-difluorobenzaldehydes |
02/06/1996 | CA2007730C Process for the recovery of catalyst values |
02/03/1996 | CA2155155A1 Process for the preparation of trichloroacetyl chloride |
02/01/1996 | WO1996002521A1 Resolution process using oxazolidinones |
02/01/1996 | WO1996002488A1 Method of stabilizing polyunsaturated fatty acids and their application in therapy and cosmetics |
02/01/1996 | WO1996002487A1 Process for carbonylating olefins |
02/01/1996 | WO1996002486A1 Benzoyl derivatives and synthesis thereof |
02/01/1996 | CA2200067A1 Method of stabilizing polyunsaturated fatty acids and their application in therapy and cosmetics |
02/01/1996 | CA2194770A1 Benzoyl derivatives and synthesis thereof |
01/31/1996 | EP0694526A1 Process for preparation of fluorinated beta-keto ester |
01/31/1996 | EP0694523A1 Preparation of difluoroacetic acid fluoride and difluoroacetic acid esters |
01/31/1996 | EP0694522A2 Process for preparing arylacetic acid derivatives by carbonylation of arylmethylhalogenids |
01/31/1996 | EP0694333A1 Catalyst for preparing carboxylic acids |
01/31/1996 | EP0543937B1 Process for the purification of acetic anhydride and acetic acid |
01/31/1996 | EP0441979B1 Optically active 2-(alkyl-substituted phenyl)-propionic acid derivative and optical resolution of ( )-1-methyl-3-phenylpropylamine |
01/31/1996 | CN1115753A Process and apparatus for producing aromatic carboxylic acid |
01/31/1996 | CN1115752A An improved purifiacation process for methacrylic acids |
01/31/1996 | CN1115689A Gas-solid phase carbonylation catalyst and its prepn |
01/31/1996 | CN1115688A Iminazoles-rhodium catalyst and its prepn |
01/30/1996 | US5488174 Hydroformylation process |
01/30/1996 | US5488156 Preparation of a heat-stable lactic acid |
01/30/1996 | US5488154 Process for the preparation of alkoxyalkanoic acids |
01/30/1996 | US5488153 Process for the carbonylation of methanol or a reactive derivative thereof |
01/30/1996 | US5488152 Process for the preparation of 4-alkoxy-3,5,6-trifluoro-phthalic acids and 3-alkoxy-2,4,5-trifluorobenzoic acids |