Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/1995
11/23/1995WO1995031426A1 Method for the preparation of carboxylic acids or corresponding esters in the presence of a soluble iridium-based catalyst
11/23/1995DE4414491C1 Platinum on active carbon sulphided catalyst
11/22/1995EP0683153A1 Heteropolyacid based catalysts and their use in the préparation of aliphatic carboxylic acids
11/22/1995EP0683152A1 Method of separating and purifying mannitol
11/22/1995EP0683151A1 Method for the preparation of polyhedral particles of a rare earth ammonium double oxalate
11/22/1995EP0683150A1 Process for the preparation of branched chain fatty acids and alkyl esters thereof
11/22/1995EP0682662A1 Bicyclic carboxylic acid leukotriene b 4? antagonists
11/22/1995EP0682554A1 Filtration process
11/22/1995EP0616607B1 Process for removing acetone from carbonylation processes
11/22/1995CN1030316C Process for producing purified terephthalic acid
11/21/1995US5468900 Conversion of nylon 6 and/or nylon 6,6 to adipic acid
11/21/1995US5468892 Process for the production of an aluminum triformate solution containing alkali metal and/or alkaline earth metal, highly concentrated aluminum triformate solutions containing alkali and/or alkaline earth metal, and their use
11/21/1995US5468887 Intensive countercurrent or cocurrent mixing
11/21/1995CA2149994A1 Heteropolyacid catalyst and their use for preparing aliphatic carboxylic acids
11/16/1995WO1995030637A1 Catalyst recovery in the carbonylation of chlorobutenes to pentenoyl chloride
11/16/1995DE4415681A1 The prepn. of aryl ethanoic acid derivs
11/16/1995CA2188553A1 Catalyst recovery in the carbonylation of chlorobutenes to pentenoyl chloride
11/15/1995EP0682005A1 Terephthalic acid production using evaporative cooling
11/15/1995EP0682000A1 Enhanced oxidation of organic chemicals
11/15/1995EP0681565A1 PROCESS FOR PREPARING -g(a)-BRANCHED ALIPHATIC MONOCARBOXYLIC ACIDS.
11/15/1995CN1111605A A method of inhibiting polymerization of vinyl compound and polymerization inhibitor used therein
11/14/1995US5466877 Fluorination with deesterification and alkylation
11/14/1995US5466876 Process for the removal of corrosion metal contaminants from liquid compositions
11/14/1995US5466874 Polymeric carbonylation catalyst system
11/14/1995US5466837 Process for the production of hydrocarbon partial oxidation products
11/14/1995US5466821 Triazole ring containing fungicides, intermediates
11/14/1995US5466766 Metallocenes and processes therefor and therewith
11/14/1995US5466650 Catalyst for the dehalogenation of alphahalogenated carboxylic acids and its use for purifying monochloroacetic acid
11/14/1995CA1337553C Process for purifying 2-(4-isobutylphenyl)-propionic acid
11/09/1995WO1995029952A1 Process for recycling polyesters
11/09/1995WO1995029886A1 Processes for preparing aromatic, bromine-containing compounds, novel bromine-containing compounds, and their use as intermediate products in the synthesis of active agents
11/09/1995WO1995029874A1 Synthetic meixnerite product and method
11/09/1995CA2189020A1 Synthetic meixnerite product and method
11/08/1995EP0680966A1 Palladium catalysts containing sulfonated bisphosphines as ligands, process for their preparation and use for carbonylation reactions
11/08/1995CN1111234A Salts of pyromellitic acid, a process for their preparation and their use
11/08/1995CN1111233A Preparation of meta-methylbenzoic acid
11/07/1995CA2148750A1 Electrosynthesis of metal carboxylates
11/05/1995CA2148545A1 Palladium catalysts containing sulfonated bisphosphines as ligands, process for their preparation and their use in carbonylation reactions
11/05/1995CA2148540A1 Process for preparing arylacetic acid derivatives by carbonylation of arylmethyl halides
11/02/1995EP0679629A1 Process for preparing optically active alpha-(hydroxy-phenoxy)alkane carboxylic acid and its derivatives
11/02/1995EP0545997B1 Carbonylation of methanol using a novel transition metal catalyst precursor
11/02/1995DE4414841A1 Brom enthaltende aromatische Verbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung als Zwischenprodukte bei der Synthese von Wirkstoffen Bromine-containing aromatic compounds, process for their preparation and their use as intermediates in the synthesis of active compounds
11/01/1995CN1030192C Method for prepn. of phenylacetic acid by chloride benzyl carbonylation
10/1995
10/31/1995US5463157 Process for preparing 3-methyl-2-pentene
10/31/1995US5463121 Process for the removal of water from acrylic acid
10/31/1995US5463119 Recycling process for the production of adipic acid and other aliphatic dibasic acids
10/31/1995US5463117 Salt formation with an aminoacid
10/31/1995US5463114 Catalytic oxidation of ether alcohol, or polyether, with oxygen
10/31/1995US5463113 Process and apparatus for producing terephthalic acid
10/31/1995US5463096 Nickel/silica catalyst and the preparation and use thereof
10/31/1995US5463095 Process for the production of esters
10/26/1995WO1995028642A1 A method for detecting the presence of a mycobacterium species and a kit and antibodies for use therein
10/26/1995WO1995028375A1 Production of ether carboxylic acids and their salts
10/26/1995CA2187779A1 A method for detecting the presence of a mycobacterium species and a kit and antibodies for use therein
10/25/1995EP0678579A1 Enzymatic process for the preparation of optical active tetralin-derivatives
10/25/1995EP0494146B1 Process for the preparation of optically active or racemic cyclopropane-carboxylic-acid chlorides
10/25/1995CN1110677A Synthetic technology of phenylacetic acid
10/25/1995CN1110676A Preparation of citraconic anhydride
10/24/1995US5460975 Diphenylmethane derivatives, process for their production and their use for the displacement of iodothyronines from proteins which bind them
10/19/1995WO1995027753A1 Improved polyethylene terephthalate decontamination
10/18/1995EP0677505A1 Process for producing acetic anhydride and acetic acid
10/18/1995EP0521958B1 Process for producing branched fatty acids and their esters
10/18/1995CN1030071C Process for preparing adipic acid by hydrocarboxylation of pentenic acids
10/18/1995CN1030070C Catalyst for producing phthalic anhydride and process by using same
10/18/1995CN1030068C Cyclopeutadiene type compounds and method of making
10/17/1995US5459218 Syndiotactic polypropylene prepared using silyl bridged metallocenes
10/17/1995US5458678 Alkaline earth metal salts, transition metal salts and transition metal complexes of ketocarboxylic acids as corrosion inhibitors
10/12/1995WO1995026928A1 Zeolites and processes employing them
10/12/1995WO1995026820A1 Coated catalytic compositions including nickel, cobalt and molybdenum, and use thereof for preparing unsaturated aldehydes
10/12/1995WO1995026817A1 Catalyst for vapor phase oxidation of alkane hydrocarbons
10/12/1995CA2184840A1 Coated catalytic compositions including nickel, cobalt and molybdenum, and use thereof for preparing unsaturated aldehydes
10/12/1995CA2183597A1 Zeolites and processes employing them
10/11/1995EP0676400A2 Method for production of pyromellitic anhydride
10/11/1995EP0676389A2 Process for preparing O-chloromethyl benzoic acid chloride
10/11/1995EP0676388A2 Process for the preparation of phenylacetic acid derivatives and intermediate products
10/11/1995EP0675869A1 Preparation of polyoxyalkylene-alpha,omega-dicarboxylic acids.
10/11/1995EP0675868A1 Process for preparing aryl-substituted aliphatic carboxylic acids and their alkyl esters
10/11/1995EP0675867A1 Hydrolysis of methyl esters for production of fatty acids
10/11/1995CN1109876A Process for the preparation of acid chloride compounds
10/11/1995CN1109871A Process for preparing substituted phenylacetic acid derivatives and novel intermediates
10/11/1995CN1109863A Process for purifying acrylic acid
10/11/1995CN1109862A Process for jointly producing dichloracetic acid and mercaptoacetic acid
10/11/1995CN1109803A Multimetal oxide compositions
10/11/1995CN1109802A Multimetal oxide compositions
10/11/1995CN1109800A Polymetal oxide materials
10/10/1995US5457230 Method for removing iodine compound from acetic acid
10/10/1995US5457226 Process for the manufacture of cinnamic acid derivatives
10/10/1995US5457124 Antiinflammatory agent
10/10/1995US5456861 Abietic acid derivatives and their use as emulsifiers
10/10/1995CA1337298C Chiral phosphinopyrrolidine compounds and their use for asymmetric synthesis of optically active compounds
10/08/1995CA2117595A1 Method and apparatus for recovering carboxylic acids from dilute solutions
10/04/1995EP0675191A2 Petroleum additive and process for producing alkaline earth metal salt of an aromatic hydroxy-carboxylic acid
10/04/1995EP0675100A2 Preparation of alpha-beta-unsaturated c3-c6 carboxylic acids
10/04/1995EP0674666A1 Polymers functionalised by koch reaction and derivatives thereof
10/04/1995CN1109472A Organometallic fluorenyl compounds, preparation, and use
10/04/1995CN1109463A Process for the preparation of carboxylic acids or the corresponding esters in the presence of a catalyst based on iridium
10/03/1995US5455376 Process for the preparation of aliphatic omega-difluorocarboxyl compounds
10/03/1995US5455375 Process for preparing adipic acid
10/03/1995US5455373 Method of producing perfluorocarbon halides
09/1995
09/29/1995CA2145245A1 Purification process for methacrylic acids
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