Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
05/1980
05/14/1980EP0010874A1 Process for separating optical isomers of substituted cyclopropane carboxylic acids; amine salts of substituted cyclopropane carboxylic acids; a substituted cyclopropane carboxylic acid
05/14/1980EP0010651A1 Preparation of fluoroorganic compounds with calcium fluoride
05/13/1980US4202828 Process for separation of naphthoquinone and phthalic acid
05/13/1980US4202826 Process for preparing anhydride from alkanes
05/13/1980US4202822 Prostaglandins
05/13/1980US4202797 Recovering catalyst values in reaction liquors from oxidative production of carboxylic and polycarboxilic acids
05/13/1980CA1077517A1 Process for the preparation of hydroxy-carboxylic acids and derivatives
05/13/1980CA1077516A1 Production of di-unsaturated carboxylic acids
05/13/1980CA1077505A1 Process for simultaneously producing p-toluic acid and alkylene oxide
05/06/1980US4201872 Process for preparing purified terephthalic acid
05/06/1980US4201871 From crystal suspension in mother liquor by continuous countercurrent contact with hot aqueous acetic acid
05/06/1980US4201870 Process for the preparation of 2-(3-benzoylphenyl)-propionic acid
05/06/1980CA1077058A1 Process for extracting acetic acid from its low concentrated aqueous solutions
05/06/1980CA1077057A1 Process for the preparation of acetic acid derivatives
05/06/1980CA1077056A1 Derivatives of pleuromutilin and compositions
04/1980
04/30/1980EP0010429A2 Method for preparing an oxidation catalyst containing a molybdate anion
04/30/1980EP0010295A1 Process for the preparation of ethanol from synthesis gas
04/30/1980EP0010206A1 A process for the oxidation of propylene to acrylic acid and of isobutylen to methacrylic acid
04/30/1980EP0010119A1 Isoquinoline derivatives, their preparation and pharmaceutical compositions containing these compounds
04/29/1980US4200764 Oxidation of aliphatic hydrocarbons with high strength hydrocarbon oxidation catalyst
04/29/1980US4200584 Maleic anhydride production over modified phosphotungstic catalyst
04/29/1980US4200544 Magnesium-containing greases and method for their preparation
04/29/1980CA1076587A1 Prostaglandin derivatives and process for preparing the same
04/29/1980CA1076547A1 Catalyst treatment
04/22/1980US4199595 M-phenoxybenzyl and α-cyano-M-phenoxybenzyl esters of 2-haloalkyl (oxy-, thio-, sulfinyl-, or sulfonyl)phenylalkanoic acids
04/22/1980US4199527 By treatment of purified acid chloride with anhydrous hydrogen chloride to convert ketene to acid chloride
04/22/1980US4199410 Distillation, inert gas stripping
04/22/1980CA1076139A1 Method of producing indan derivatives
04/22/1980CA1076137A1 Cobalt-catalysed oxidation of c3 to c7 saturated aliphatic hydrocarbons to acetic acid
04/22/1980CA1076136A1 Process for the preparation of 5-oxohexanoic acid and its derivatives
04/16/1980EP0009989A2 Photographic recording material containing blocked photographically useful compound
04/16/1980EP0009787A2 Process for the monohalogenation of alkylbenzenes in alpha position
04/16/1980EP0009722A1 Optically active complex, alanine.Ring-substituted mandelic acid, and the method for producing the same
04/16/1980EP0009709A1 Fluoro-alkenyl-substituted cyclopropane carboxylic acid esters (I), processes for their production, intermediates obtained thereby and their preparation, compositions containing the esters (I) and the use of the esters (I) in combating insects and/or spiders
04/16/1980EP0009658A1 Process for the preparation of oxalyl chloride
04/16/1980EP0009648A1 Surface-active agents based on natural resins, and their use
04/16/1980EP0009545A1 Acrylic acid recovery with recycle quench
04/16/1980EP0009539A1 Fluorinated polyenes, their preparation and pharmaceutical compositions containing them
04/15/1980US4198526 Process for the manufacture of p-hydroxyphenyl acetic acid
04/15/1980US4198523 Sodium or potassium. solid intermediate for atenolol
04/15/1980US4198510 Piperidenylmethylidene phosphonylamidines
04/15/1980US4198417 Phenoxyphenylpiperidines
04/15/1980US4198285 Oxidation of hydrocarbon waxes in the presence of sulfobetaines
04/15/1980CA1075710A1 Perfluoroalkylacetyl chlorides and process for their manufacture
04/15/1980CA1075709A1 Process for the oxidation of olefins using catalysts containing various promoter elements
04/15/1980CA1075672A1 Oxidation catalysts
04/15/1980CA1075671A1 Oxidation catalysts and process of preparing anhydride from alkanes
04/15/1980CA1075670A1 Catalyst and process for preparing maleic anhydride from c4 hydrocarbons
04/08/1980US4197412 High purity, oxidation of p-xylene over catalyst manganese, cobalt and bromine compounds
04/08/1980US4197247 Removal of bromine from phthalic anhydride
04/08/1980US4197245 1-Hydroxymethyl-1-oxo-prostane derivatives of the A1 series
04/08/1980CA1075260A1 Tetramethylbiphenylcarboxylic acids and derivatives thereof
04/08/1980CA1075166A1 Sorption of weak organic acids from water by polyurethane
04/02/1980EP0009369A1 Preparation of muconic acid mononitriles and copper(II)-ammonia reagent therefor
04/02/1980EP0009306A1 Anti-arthritic hydroxyacetic acid derivatives, pharmaceutical compositions thereof, and processes for their manufacture
04/02/1980EP0009205A1 Process for the preparation of an optionally substituted benzoyl chloride
04/01/1980US4196304 Separation of stereoisomeric cyclic carboxylic acids
04/01/1980US4195916 Liquid crystal compounds
04/01/1980CA1074772A1 Process for the manufacture of methacrylic or acrylic acid and a catalyst
03/1980
03/25/1980US4195188 Steam assisted hydrocarbon oxidation process
03/25/1980US4195187 Molybdenum oxide and other metal oxides compressed and calcined
03/25/1980US4195186 Process for preparing organic acids
03/25/1980US4195185 Process of preparing organic acids
03/25/1980US4195040 Process for preparing a methyl-substituted benzaldehyde
03/25/1980US4195023 2-(2-Furoyl)1,2-benzisothiazole-3-one, 2-(2-furoyl) saccharin, and 2-(2-thenoyl) saccharin
03/25/1980CA1074330A1 Antiinflammatory substituted phenylacetic acids
03/25/1980CA1074288A1 Supported catalysts containing vanadium pentoxide and titanium dioxide
03/25/1980CA1074287A1 Supported catalyst containing vanadium and titanium
03/19/1980EP0008973A2 A process for preparing phenoxylactic acids and their derivatives, and products obtained
03/19/1980EP0008735A1 Process for the preparation of diphenyl ether carboxylic acids
03/19/1980EP0008699A1 Process for the preparation of arylglyoxylic acids
03/19/1980EP0008626A1 Ammonium salts of alpha-ketocarboxylic acids, their use in the preparation of amines and coating materials containing them
03/18/1980US4194056 Acetic acid from methyl formate
03/18/1980US4194054 Preparation of substituted fluorobenzenes
03/18/1980US4193931 Polyene compounds
03/11/1980US4192951 Hydrocarbon oxidation process
03/11/1980US4192891 Prostaglandins
03/11/1980US4192888 Pharmaceutical compositions and method of inhibiting phenylethanolamine N-methyltransferase
03/11/1980US4192813 Omega-hydroxy alkenoic acid
03/11/1980US4192812 To corresponding fatty acids
03/11/1980US4192801 Novel phosphorane intermediates for use in preparing penem antibiotics
03/11/1980CA1073437A1 Process for the production of a mixed-oxide oxidation catalyst containing vanadium and pentavalent phosphorus
03/06/1980WO1980000341A1 Process for producing trichloro-2,4,5-phenoxyacetic acid
03/05/1980EP0008482A1 Process for the preparation of delta keto-acids and derivatives thereof
03/05/1980EP0008453A1 Process for preparing trifluoromethyl aromatic compounds
03/05/1980EP0008445A1 Process for the preparation of benzoic acid anhydride
03/05/1980EP0008396A1 Process for the preparation of acetic acid anhydride
03/05/1980EP0008340A1 Fluoroalkenyl-substituted cyclopropanecarboxylic acid esters, intermediate products therefor, preparation of the compounds and their utilization as insecticides and/or acaricides
03/04/1980US4191841 Process for manufacturing 4-hydroxy-3,5-dimethoxy benzoic acid from 3,4,5-trimethoxybenzoic acid
03/04/1980US4191616 Purification process
03/04/1980US4191554 Herbicidal benzamides
03/04/1980CA1072957A1 Composition and preparation of heterocyclic compounds
02/1980
02/26/1980US4190671 Chalcone derivatives
02/26/1980US4190608 Process for the oxidation of olefins using catalysts containing various promoter elements
02/26/1980US4190600 Iron/iii/ chloride or bromide halogenation catalyst with sulfur cocatalyst
02/26/1980CA1072579A1 Process for producing pure racemic acid and meso-tartaric acid
02/26/1980CA1072578A1 Ethercarboxylate monohydrate useful as a detergency builder
02/26/1980CA1072577A1 Selective catalytic oxidation of unsaturated alcohols to carbonyl compounds
02/26/1980CA1072528A1 Production of pulverulent catalyst carriers or catalysts for reactions in a flow bed in liquid phase
02/21/1980WO1980000250A1 Process for the carbonation of diolefins