Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
12/1983
12/28/1983EP0096974A1 Process for the production of one or more carboxylic acid anhydrides
12/27/1983US4423244 Process for the preparation of the d-2-(6-methoxy-2-naphthyl)-propionic acid
12/27/1983US4423243 From polyhaloalkane, 1-chloro-3,3-dimethylpent-4-en-2-one, catalyst, alkali(ne earth) base
12/27/1983US4423222 Pyridinyl fungicides and herbicides
12/27/1983US4423067 Carbacyclins, their preparation and use
12/27/1983US4423049 2-[4-[(4,4-Dialkyl-2,6-piperidinedion-1-yl)butyl]-1-piperazinyl]pyrimidines
12/27/1983US4422979 Fluoro-substituted biphenylyl compounds and processes
12/27/1983US4422954 Adding salt of noble metal and wear acid
12/27/1983CA1159469A1 1-methyl-2-chlorocyclopropane carboxylic acid and its esters and process for producing same
12/27/1983CA1159467A1 Secondary amines, their preparation and use in pharmaceutical compositions
12/21/1983EP0096640A1 Preparation of 4-(alpha-alkyl-alpha-cyano-methyl)-2,6-di-substituted phenols
12/21/1983EP0096082A1 Oxidation reactor
12/20/1983USRE31467 Triaryl or diarylpyridyl methanes
12/20/1983US4421928 Pesticides
12/20/1983US4421927 Skin disorders
12/20/1983US4421922 Process for the production of tetronic acid
12/20/1983US4421766 3-halo-2,3-diiodoacrylic acid or ester
12/20/1983US4421739 Suntan lotion
12/20/1983US4421690 Anti-rachitogenic
12/20/1983US4421676 Aqueous solution of sodium tetranitropalladate
12/20/1983US4420930 Burning polycyclic, polycarboxylic acids obtained oxidizing coal with nitric acid
12/20/1983CA1159085A1 PROCESS FOR THE PRODUCTION OF .alpha.-CHLOROACETOACETIC ACID CHLORIDE
12/20/1983CA1158952A1 Slurries of terephthalic acid in ethylene glycol
12/13/1983US4420638 Fluorinated ether-ketones
12/13/1983US4420634 Process for the oxidation of unsaturated aliphatic hydrocarbons
12/13/1983US4420621 Preparation of polycarboxylic compounds
12/13/1983US4420433 Reaction with silicon tetrachloride or titanium tetrachloride
12/13/1983CA1158671A1 Fluorination of organic compounds with fluorine in porous metal tube reactor with perfluorinated diluent
12/13/1983CA1158670A1 Preparation of fluorinated organic compounds with elemental fluorine and fused alumina porous reactor
12/13/1983CA1158668A1 PROCESS FOR THE PREPARATION OF .alpha.-KETOCARBOXYLIC ACID N-ACYLAMIDES
12/13/1983CA1158642A1 Blocked photographically useful compounds and photographic compositions, elements and processes employing them
12/13/1983CA1158630A1 Method of regeneration of an iron phosphate-type catalyst
12/07/1983EP0095901A1 Process for the preparation of (d) 2-(d-methoxy-2-naphthyl) propionic acid and pharmaceutically acceptable salts thereof and new intermediates therefor
12/07/1983EP0095880A1 Fluorenecarboxylic acid derivatives, their preparation and use as plant growth regulators
12/07/1983EP0095698A1 Process for the preparation of terephthalic and isophthalic acid dichloride
12/07/1983EP0095697A1 2,2-Dimethyl-3-aryl-cyclobutanones, a process for their preparation and new 2,2-dimethyl-3-aryl-4-halo-cyclobutanones
12/07/1983EP0095696A1 Process for the preparation of 2,2-dimethyl-3-aryl-cyclopropane carboxylic acids and their esters, intermediate products therefor and processes for their preparation
12/06/1983US4419524 Process for the preparation of dihalovinylcyclopropanecarboxylic acids
12/06/1983US4419270 Oxidation catalyst
12/06/1983US4419258 Dialkyl glyoxylate surfactants
11/1983
11/30/1983EP0095321A2 Production of formate salts
11/30/1983EP0095117A1 Phenoxypropionic-acid derivatives, processes for their preparation and their use as herbicides
11/30/1983EP0095047A1 Process for the preparation of 3-vinyl-substituted 2,2-dimethyl-cyclopropane-1-carboxylic acids or their esters, and intermediate products therefor
11/30/1983EP0094951A1 New prostacyclins and preparation method thereof.
11/29/1983US4418020 2,2-Dichloroacetoacetyl chloride
11/29/1983US4418003 Catalysts for the production of maleic anhydride
11/29/1983US4417918 Herbicidal α-[3-(2-halo-4-trifluoromethylphenoxy)-6-halophenoxy]propionic acid thio esters and acids
11/29/1983CA1157886A1 Chlorination of 4-methoxybenzoyl chloride
11/29/1983CA1157884A1 Process for the preparation of trifluoromethylbenzoyl halides
11/24/1983WO1983004021A1 2,3,4-trinor-1,5-inter-m-phenylene-prostacycline-i2 analogues, process for the preparation thereof and pharmaceutical compositions containing the same
11/23/1983EP0094785A1 Process for the production of hydrocarbyl formates
11/23/1983EP0094760A1 Process for the production of oil-soluble metal salts
11/23/1983EP0094668A2 Pyrrole (3,4-d)(2)benzazepine derivatives
11/23/1983EP0094552A1 Iodopropargyl ammonium salts, process for their preparation and their use as microbicides
11/23/1983EP0094487A1 Hydroterphenyls, their preparation and their use in dielectric liquid crystal material
11/23/1983EP0094456A1 Preparation of alcohols from olefins having from 3 to 7 carbon atoms
11/22/1983US4417077 Reacting a resin containing a polymeric quaternary ammonium salt with a neutral transition metal carbonyl compound; for hydroformylation of olefins
11/22/1983US4417073 Process for the preparation of substituted acetic acids and derivatives thereof
11/22/1983US4417070 Process for preparing an optical active ester of naphthylpropionic acid
11/22/1983US4416803 Process for the manufacture of catalysts useful for the oxidation of butane to malelic anhydride
11/22/1983US4416802 Catalysts for the production of maleic anhydride by the oxidation of butane
11/22/1983US4416801 Toluic acid
11/22/1983US4416687 3,5-Bis (trifluoromethyl)phenoxy carboxylic acids and derivatives thereof
11/22/1983CA1157455A1 Preparation of vanadium phosphorus catalysts using olefinic oxygenated organic reaction media
11/16/1983EP0094175A1 Pyrazolopyridine compounds
11/16/1983EP0093793A1 Conversion of 1,1,1 trichloroperhaloalkanes into perhaloalkanoyl chlorides
11/15/1983US4415757 Gas phase oxidation of lower alkanes to aldehydes using a silver-transition metal catalyst
11/15/1983US4415756 Diels-alder reaction of cyclohexadienes; and an unsaturated compoud; ketalization
11/15/1983US4415752 Vapor phase; oxidation catalysts; reactants of corresponding aldehydes, e.g. acrolein
11/15/1983US4415751 Process for preparing phenylalkanoic acids
11/15/1983US4415750 Process for separation of 2-hydroxynapthalene-3-carboxylic acid from the reaction mixtures of alkali metal salts of 2-hydroxynaphthalene and carbon dioxide
11/15/1983US4415592 15-Deoxy-16-hydroxy prostaglandins for producing bronchodilation
11/15/1983US4415500 Hydrogenation catalysts active at interface of aqueous and organic liquid phase; hydroformylation
11/15/1983US4415479 Adsorption from an aqueous solution of palladium compound, amine and acid; selective hydrogenation of p-carboxybenzaldehyde impurity
11/15/1983CA1157045A1 Preparation of novel vinyl ethers
11/15/1983CA1157038A1 Manganese catalyzed carbonylation of aliphatic alcohols
11/09/1983EP0093696A2 Benzo-1,4-chinones
11/09/1983EP0093653A1 Process for the preparation of iodo-thyronines and iodo-thyroacetic acids by electrochemical reduction at a controlled potential
11/09/1983EP0093627A1 Process for the preparation of cerium carboxylates
11/09/1983EP0093511A1 Method for producing and optically active 2,2-dimethylcyclopropanecarboxylic acid
11/09/1983EP0093488A2 Nortropyl benzopyrrolinone compounds, process for their preparation and pharmaceutical compositions containing them
11/09/1983EP0093317A1 Process for the preparation of calcium propionate
11/09/1983EP0093255A2 Preparation of mono and dibromo or mono and dichloro aldehydes and acid chlorides
11/08/1983US4414412 Molybdenum-vanadium-tungsten oxide
11/08/1983US4414411 Process for preparing unsaturated acids with Mo, V, Ti-containing catalysts
11/08/1983US4414409 Palladium sulfonate catalyst systems for carbonylation of olefins
11/08/1983US4414405 Process for preparing esters of 2-(6'methoxy-2'naphtyl)-propionic acid via rearrangement of new ketals of 2-halo-1-(6'-methoxy-2'-naphtyl)-propan-1-one and new esters of 2-(5'-bromo-6'-methoxy-2'-naphtyl)-propionic acid thus prepared
11/08/1983US4414400 From 4-haloacetoacetic ester, cyclizing ether cleavage of 4-tert-butoxyacetoacetic ester
11/08/1983US4414398 Continuous processing, static tubular evaporator
11/08/1983US4414397 Production of alkenyl substituted aliphatic dicarboxylic anhydrides
11/08/1983US4414160 Catalyst of a noble metal compound, and an iodine compound, alkyl or aryl halide reacted with carbon monoxide
11/08/1983US4414017 Herbicidal 3-butyrolactones
11/08/1983CA1156672A1 Preparation of ethylidene diacetate
11/08/1983CA1156643A1 Process for the recovery of catalyst values
11/02/1983EP0092878A2 Nickel upon transition alumina catalysts
11/02/1983EP0092772A1 Process for producing aromatic hydroxy compound
11/02/1983EP0092619A1 Production of maleic anhydride by the oxidation of butane and catalysts therefor
11/01/1983US4413147 Dehydrogenation of isobutane to isobutylene, oxidation
11/01/1983US4413140 Liquid extraction of diacetoxybutane with halogenated paraffins
11/01/1983US4413139 Intermediates used in the process for preparing 1(4-pentenoyl)-3,3-dimethylcyclohexane