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)
11/1992
11/26/1992	WO1992020447A1 Hydrogenation catalyst, process for preparing and process of using said catalyst
11/26/1992	WO1992020334A1 Pharmaceutical composition comprising ibuprofen salt
11/26/1992	WO1992007648A3 Electro-synthesis of alcohols and carboxylic acids from corresponding metal salts
11/25/1992	EP0515345A2 Preparation of malic acid
11/25/1992	EP0515110A2 Calcium citrate anticaking agent
11/25/1992	EP0514863A2 Process for preparing 3,4,6-trifluorophthalic acid and its anhydride
11/25/1992	EP0514821A1 Improved method of production of biaryl derivatives
11/25/1992	EP0514529A1 Gold carboxylates and process for preparing the same.
11/25/1992	EP0514525A1 Preparation of platinum group metal and rhenium carboxylates
11/25/1992	EP0306538B1 Process for preparing alpha-(3-benzylphenyl)propionic acid derivative
11/25/1992	CN1066443A Preparation method of high purity medical calcium citrate using general calcium lime and edible citric acid
11/25/1992	CN1066442A Process for producing formic acid by hydrolyzing methyl formate
11/25/1992	CN1066440A Cyclopentadiene type compounds and method of making
11/25/1992	CN1019193B Process for carbonylation of olefinically unsaturated compounds with palladium catalyst
11/25/1992	CA2069283A1 Preparation of malic acid
11/24/1992	US5166427 Haloacylation and phosgenation of carboxylic acid using dialkylformamide and phosgene adduct catalyst
11/24/1992	US5166424 Liquid phase oxidation of alcohols to prepare carboxylic acids
11/24/1992	US5166423 Catalysis with piperidine nitroxide free radical, nitric acid and oxidant; by-product inhibition
11/24/1992	US5166422 Catalysis with free radical piperidine nitroxide, alkali metal nitrosodisulfonate and oxidant; by-product inhibition
11/24/1992	US5166421 Process for the manufacture of adipic acid
11/24/1992	US5166420 Dissolving in a solvent after oxidation of p-dialkylbenzene on a fixed bed catalyst, hydrogenation
11/24/1992	US5166419 Method for preparing α-(4-isobutylphenyl) propionic acid or its precursor
11/24/1992	US5166418 Method for producing ibuprofen
11/24/1992	US5166417 Chemical intermediates formed by salt formation with 1-(3-methoxyphenyl)ethylamine and racemization by forming acid chlorides
11/24/1992	US5166411 Group 8 metal, a phosphine, a proton source and a tertiary amine
11/24/1992	US5166406 Preparation of glutaric acid derivatives
11/24/1992	US5166119 Slurrying ammonium molybdate in nitric acid solution; drying, calcining to produce bismuth, iron, cesium, and/or thallium containing oxidation catalyst
11/24/1992	US5166116 Carbonylation catalyst system
11/24/1992	CA1310666C Process for the manufacture of derivatives of benzoic acid
11/24/1992	CA1310664C Process for the preparation of a diester of adipic acid
11/24/1992	CA1310660C B, -dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compound
11/23/1992	CA2069140A1 Process for the preparation of 3,4,6-trifluorophthalic acid and the anhydride thereof
11/19/1992	EP0514288A1 Process for linear dicarbonylation of difunctionalised butenes
11/19/1992	EP0514202A2 Smoking compositions containing a vanillin-release additive
11/19/1992	EP0513835A2 Process for the preparation of trimellitic acid
11/19/1992	EP0513600A2 Process for preparing polycarboxylic acids and their derivatives
11/19/1992	EP0513430A1 Process for the preparation of 3,4-dihydroxybutanoic acid and salts thereof
11/19/1992	EP0513087A1 Basic calcium aluminium hydroxide dicarboxylates, process for producing them and their use
11/19/1992	EP0513055A1 Process for reacting a low molecular weight hydroxy compound with a carboxylic acid halide.
11/19/1992	EP0513053A1 Process and device for producing 2-hydroxy-naphthalene-6-carboxylic acid.
11/18/1992	CN1019112B Purification of terephthalic acid to relatively low levels of 4-carboxenzaldehyde
11/17/1992	US5164523 Process for the production of granular metal soap
11/17/1992	US5164382 Bactericides, fungicides, herbicides
11/17/1992	US5164124 Alkaline earth metal salts of vicinally hydroxy, alkoxy-substituted C16 -C22 fatty acids, a process for their production and their use as alkoxylation catalysts
11/17/1992	CA1310332C Impurity removal from carbon monoxide and/or hydrogen- containing streams
11/17/1992	CA1310293C Electrolytic preparation of perfluoroalkanoic acids and perfluoroalkanols
11/16/1992	CA2068566A1 Smoking compositions containing a vanillin-release additive
11/12/1992	WO1992019779A1 Oxidative secondary rhodium recovery process
11/12/1992	WO1992019630A1 Chiral tridentate bis(phospholane) ligands
11/12/1992	WO1992019591A1 Process for preparation of alpha-alkoxy acetic acids and their salts
11/12/1992	DE4115006A1 Anhydrous metal acetate and higher carboxylate prodn. - by reacting metal powder with excess acetic anhydride in presence of oxygen@ then with higher acid
11/11/1992	EP0512848A2 Enzymatic resolution of alpha-tertiary carboxylic acid esters
11/11/1992	EP0512764A2 Method for producing electret filter
11/11/1992	EP0512554A2 Cyclopetadiene type compounds and method for making
11/11/1992	EP0512472A1 Process for preparation of alpha-alkoxy acetic acids and their salts
11/11/1992	EP0512352A2 Substituted carboxylic acid derivatives
11/11/1992	EP0512346A2 Process for preparing metal carboxylates and their use in the polymerisation of monomers suitable for the Ziegler-Natta polymerisation
11/11/1992	CN1066057A Preparation of 2,2,3,3-tetramethyl cyclopropane-carboxylate
11/11/1992	CN1066056A Process for preparing terephthaiate or terephthalic acid
11/11/1992	CN1066055A Preparation of 2,2,3,3-tetramethyl cyclopropane-carboxylic acid
11/11/1992	CN1066054A Process for preparing hexadiacid by hydro-carboxylation of pentenoic acid
11/11/1992	CN1019011B Recovery process of acrylic acid from waste oil containing acrylic acid
11/10/1992	US5162579 Preparation of alkoxyalkanoic acids
11/10/1992	US5162578 Calcined Mixed Oxides Catalyst
11/10/1992	US5162577 Process for lithiation of 1,3-bis(trifluoromethyl)benzene
11/10/1992	US5162576 Forming Salt With Cinchonidine
11/09/1992	CA2068038A1 Enzymatic resolution of .alpha.-tertiary carboxylic acid esters
11/09/1992	CA2068008A1 A process for the production of metal carboxylates and their use for thepolymerization of monomers suitable for ziegler-natta polymerization
11/05/1992	DE4113988A1 2,2,5,5-Tetra:methyl-cyclopentane-carboxylic acid prepn. - by gas phase rearrangement of 2-iso-cyano-1,1,3,3-tetra-methyl-cyclopentane to the 2-cyano deriv. which is then hydrolysed
11/04/1992	WO1992019580A1 A process for controlling the regeneration of boron trifluoride catalyst complex in the production of carboxylic acids
11/04/1992	EP0511205A1 Process for producing 2-ethylhexyl-p-methoxycinnamate.
11/04/1992	CN1065860A Water addition to crystallization train to purify terephthalic acid product
11/04/1992	CN1065859A Method for recovery and use of raw phthalic anhydride
11/04/1992	CN1065858A Method for separating unsaponifiables from organic acid
11/04/1992	CN1018912B Process for preparation of promoter for bonding rubber-steel wire
11/04/1992	CA2061825A1 Oxidative secondary rhodium recovery process
11/03/1992	US5160412 Dehydration of acetic acid by azeotropic distillation
11/03/1992	CA2067925A1 Method for producing electret filter
11/03/1992	CA2067831A1 Process for the preparation of polycarboxylic acids and derivatives thereof
11/03/1992	CA1309726C Rapidly solubilized calcium fumarate
10/1992
10/29/1992	WO1992018592A1 Preparation of trialkylacetic acids, particularly of pivalic acid, using solid acid catalysis
10/29/1992	WO1992018455A1 Resolution of ketoprofen
10/29/1992	WO1992018454A1 Process for recovery of purified terephthalic acid
10/29/1992	WO1992018453A1 Process for preparation of terephthalic acid
10/29/1992	WO1992018452A1 Preparation of trialkylacetic acids, particularly of pivalic acid, using lewis acid catalysis
10/29/1992	DE4134292A1 Vanadium pent:oxide anatase-carrier catalyst for phthalic anhydride prepn. - prepd. by controlling amt. of titanium incorporated into vanadium-oxygen lattice and excluding alkali(ne earth) ions
10/28/1992	EP0511126A2 Process for preparing adipic acid by hydrocarboxylation of pentenic acids
10/28/1992	EP0511038A1 Process for preparing acetic anhydride from methyl formate
10/28/1992	EP0510721A2 Method and compositions providing enhanced chemiluminescence from 1,2-dioxetanes
10/28/1992	EP0510596A2 Process for preparing perfluoroether carboxylic acids
10/28/1992	EP0510566A1 Molybdenum-phosphorus-vanadium containing oxidation catalysts with channels formed by flammable fibre materials
10/28/1992	EP0510492A1 Photochlorination of phthalic anhydride
10/28/1992	EP0510490A2 Process for preparing 2,3,4,5-tetrafluorobenzoic acid
10/28/1992	EP0510082A1 Oxidized variants of gm-csf
10/28/1992	EP0510029A1 Derivatives of pyran
10/28/1992	CN1065657A Process for decomposing alpha, beta-unsaturated carbonyl compounds in refining acetic anhydride and/or acetic acid
10/27/1992	US5159111 Fluorocyclopropyl derivative fungicide intermediates
10/27/1992	US5159109 Purification of organic polycarboxylic acids
10/27/1992	US5159097 Alkenoic acid derivatives
10/27/1992	US5159082 Process for producing aromatic compound

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