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)
10/1989
10/17/1989US4874700 Process for the production of L-malic acid
10/17/1989US4874558 Polymer catalyzed synthesis of acid anhydrides
10/17/1989US4874557 Process for the preparation of perfluorinated carbonyl fluorides
10/17/1989US4874524 Separation of adsorbed components by variable temperature desorption
10/12/1989EP0304424A4 WATER SOLUBLE COMPLEX OF A POLY(VINYLPYRROLIDONE) COPOLYMER AND -g(a)-METHYL-(2-METHYLPROPYL)BENZENE ACETIC ACID.
10/11/1989EP0336216A1 Process for the preparation of monocarboxylic acid anhydrides
10/11/1989EP0336215A1 Supported catalyst for the preparation of anhydrides of monocarboxylic acids
10/11/1989EP0336031A1 Process for the photochemical production of alpha-aryl propionic acid
10/11/1989CN1036200A Process of producing oxalic acid from bagasse
10/10/1989US4873368 Process for producing acrylic acid
10/10/1989US4873367 Method for preparing 4-hydroxy-3-phenylbenzoic acid
10/10/1989US4873366 Process for producing 2,6-naphthalenedicarboxylic acid
10/10/1989US4873363 Three step process from p-bromobiphenylbenzylketone
10/10/1989US4873217 Catalyst for oxidation of olefin or tertiary alcohol and process for production thereof
10/10/1989US4873024 Method of synthesizing leukotriene B4 and derivatives thereof
10/05/1989WO1989009357A1 Seal for rotatable shaft
10/05/1989DE3810093A1 Process for the preparation of tetrafluorobenzoic acid and its acid halides
10/04/1989EP0335625A2 Process for preparing carboxylic acids
10/04/1989EP0335501A1 Method for reactivating a group VIII noble metal catalyst for use in the purification of crude terephthalic acid
10/03/1989US4871865 Tricyclic aromatic compounds
10/03/1989US4871740 Antiulcer agent; reduction of side effects from steroids
10/03/1989US4871484 Heating oxetane-3-carboxylic acid with inorganic acid chloride in presence of pyridine or dimethylformamide catalyst
09/1989
09/27/1989EP0334595A2 Synthesis of 2-(4-hydroxyphenoxy)alkanoic acids
09/27/1989EP0334049A2 Process for the preparation of halogen-substituted phthalic anhydrides
09/27/1989EP0333767A1 Fluidized bed
09/27/1989CN1035821A Process for purifying 2-(4-isobutylphenyl)-propionic acid
09/27/1989CN1035820A Impurity removal from carbon monoxide and/or hydrogen-containing streams
09/26/1989US4870208 Rhodium or ruthenium catalysts containing chiral phosphine ligands
09/26/1989US4870195 Oxidation catalyst and process for its preparation
09/26/1989US4870194 Process for the preparation and recovery of oxdiphthalic anhydrides
09/26/1989US4870192 Shape-selective oxidation of cyclic ketones
09/26/1989US4870064 Dipropargyloxybenzene compounds and their production
09/26/1989US4869837 Preparation of a basic salt
09/26/1989CA1261869A1 Preparation of monoalkylated dihydroxybenzenes and compounds prepared thereby
09/26/1989CA1261868A1 Salicyclic acid derivatives as protease inhibitors
09/26/1989CA1261860A1 Method for the preparation of pyromellitic acid or its anhydride
09/26/1989CA1261849A1 L-lysine pyruvate and l-histidine pyruvate
09/26/1989CA1261845A1 Method for oxidizing groups to carboxylic acids under basic conditions
09/26/1989CA1261837A1 4-vinylbenzoic acid derivatives; process for preparing the same and their use as ligands and therapeutic agents
09/26/1989CA1261826A1 13-aza-14-oxo-txa.sub.2 analogues
09/26/1989CA1261328A1 Triazine compounds having cardiovascular activity
09/26/1989CA1260952A1 LONG-CHAIN .alpha., .omega.-DICARBOXYLIC ACIDS AND DERIVATIVES THEREOF AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
09/26/1989CA1260500A1 Process for producing 4-hydroxyacetophenone
09/26/1989CA1260486A1 Insecticidal styryl- and substituted- styrylcyclopropanecarboxylates
09/26/1989CA1260010A1 Carbonylation process improvement
09/26/1989CA1260009A1 Ether polycarboxylates
09/21/1989WO1989008634A1 Process for the carbonylation of iodoaromatic compounds
09/20/1989EP0333142A2 Process for the preparation of (R)-glycidyl esters
09/20/1989EP0332970A1 Supported catalyst for monocarboxylic acid anhydrides preparation
09/20/1989EP0332969A1 Process for the preparation of monocarboxylic-acid anhydrides
09/20/1989CN1035657A Preparation technique of phytol
09/20/1989CN1035656A Production of oxalic acid using oxygen as oxident
09/19/1989US4868347 Process for obtaining substituted fluorobenzenes
09/19/1989US4868330 Ammoxidation
09/19/1989US4868316 Process for the preparation of diether diphthalic anhydrides
09/19/1989US4868209 Agricultural insecticides, cyclopropane carboxylic acids
09/19/1989US4867917 Method for synthesis of diacetylenic compounds
09/19/1989US4867901 Calcium catalyst
09/19/1989US4867763 Process and equipment for the fractional desublimation of solids in vapor form from gas/vapor mixtures
09/19/1989US4867737 Antiulcer,-secretory and -inflammation agents; gastrointestinal disorders
09/19/1989CA1259627A1 PREPARATION OF .alpha.-ARYLALKANOIC ACIDS
09/19/1989CA1259622A1 Optimizing the yield of maleic anhydride catalyst
09/19/1989CA1259620A1 Carbonylation process for the production of aromatic acids and derivatives thereof
09/19/1989CA1259471A1 Catalyst recovery process
09/14/1989DE3152903C2 Process for the preparation of aromatic and heteroaromatic nitriles by ammoxidation of methyl-substituted aromatic and heteroaromatic hydrocarbons using pellicular catalysts, obtainable according to Main Application P 31 25 062.9-41
09/13/1989EP0332001A2 Process for the separation or the purification of essentially methyl-branched saturated C12-C24 fatty acids
09/13/1989CN1035496A Purification of acetic acid with ozone
09/12/1989US4866204 Oxidation with metal acetylacetonates, porpyrins or phthalocyanine catalysts
09/12/1989US4866201 Cyclization acetonylsuccinic acid ester; reacting with organic acid chloride; then rearrangement
09/12/1989US4866198 Calixarene derivatives and use as accelerators in adhesive compositions
09/12/1989US4866197 Production of N-((2-alkoxy-6-methoxy-5-(trifluoromethyl)-1-naphthalenyl)carbonyl)-N-methylglycine esters
09/12/1989US4866189 Antitumor, anticancer agent
09/12/1989US4866095 1,8-dihydroxy-9-anthrones for treating warts or psoriasis
09/12/1989US4865770 Process for the optical resolution of 2-(6-methoxy-2-naphthyl)propionic acid
09/06/1989EP0331279A2 Compound and use
09/06/1989EP0331073A2 Benzhydrylamine derivatives
09/06/1989EP0226635B1 Method for neutralization of organophilic acidic compounds
09/06/1989CN1035294A Process for preparing n-phosphonomethyl-imino-diacetic acid and acid chloride
09/05/1989US4864063 Process for preparing naproxen
09/05/1989US4864057 Dehydrogenation of carboxylic acids with mixed metal phosphorus oxide catalysts
09/05/1989US4864036 Process for preparing aromatic carboxylic anhydride
09/05/1989US4863965 Ibuprofen acid anhydrides and prodrug pharmaceutical composition containing the same
09/05/1989US4863904 Dipeptides as renin inhibitors
09/05/1989US4863888 Catalyst containing cobalt boron and oxygen and optionally aluminum of preparation and process
09/05/1989US4863642 Process for preparing acid halides
09/05/1989US4863641 Reaction of halides with carbon monoxide in presence of lewis acid
08/1989
08/30/1989EP0330474A2 Process for producing unsaturated carboxylic acids
08/30/1989EP0330220A2 Process for the preparation and recovery of oxydiphthalic anhydrides
08/30/1989EP0330219A2 Preparation of substituted phthalic anhydride
08/30/1989EP0330195A1 Process for producing pyromellitic dianhydride and catalyst used in said process
08/30/1989EP0330097A2 Process for the preparation of a pulverulent basic metallic soap
08/30/1989EP0248423B1 Process or the acylation of aromatic compounds
08/30/1989EP0124538B1 Control of microflora and preparations therefor
08/30/1989CN1035106A Method for preparation of acetic acid with cauldron group in series
08/29/1989US4861916 Photoinitiators for photopolymerization of unsaturated systems
08/29/1989US4861912 Process for the preparation of a diester of adipic acid
08/29/1989US4861903 Alkylaryl ketal
08/29/1989US4861885 Allylbicyclo[2.2.1]hept-5-ene-2-carboxylic acid amides
08/29/1989US4861738 Process for regenerating and stabilizing phosphorus-vanadium-oxygen complex catalysts
08/29/1989US4861436 With dimethyl sulfoxide-pelargonic acid extractive agent
1 ... 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 ... 432