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)
06/1983
06/29/1983EP0082646A1 Prostaglandins
06/29/1983EP0082633A1 Production of toluic acid and catalyst therefor
06/29/1983EP0082349A1 Process for the separation of acetone from the reaction mixtures of carbonylation reactions
06/29/1983EP0082344A1 Process for preparing beta-hydroxy-beta-methylglutaric acid
06/29/1983EP0082252A1 Process for producing fluorine-containing organic compound
06/28/1983US4390725 Calcined iron-copper phosphate catalyst
06/28/1983US4390724 Process for the preparation of 3-formyl-4-R2 R3 -but-3-ene-1-oic acids
06/28/1983US4390723 Bis(8-quinolinolate) copper complex catalyst
06/28/1983US4390721 Intermediate for prostaglandin f
06/28/1983US4390719 1-Methyl-2-chlorocyclopropanecarboxylic acid and its ester
06/28/1983US4390718 Prostaglandin intermediates
06/28/1983US4390708 Process for producing oxalyl chloride and intermediates
06/28/1983US4390702 3-Substituted-3-fluoropyruvic acids and their esters and salts, and production thereof
06/28/1983US4390639 Upgrading synthesis gas
06/28/1983US4390472 Particularly petrolatum in aqueous solution with catalyst; anti-rust protective coating
06/28/1983US4390451 Part dissolved, part suspension; for cleaners, papermaking, tanning, galvenizing, paint removers
06/28/1983CA1148976A1 Bimetallic soaps and processes therefor
06/28/1983CA1148975A1 Toluic acid
06/22/1983EP0081993A2 Optically active alpha-substituted aryl ketones, their preparation and their use in preparing alpha-arylalkanoic acids
06/22/1983EP0081930A1 Long-chain alpha, omega-dicarboxylic acids and derivatives thereof and pharmaceutical compositions containing them
06/22/1983EP0081881A2 A process for the solvent fractionation of palm oil stearines and products obtained with said process
06/22/1983EP0081753A1 Process for selective production of 2-hydroxynaphthalene-6-carboxylic acid
06/22/1983EP0081732A1 Process for the separation of the catalytic system from the reaction mixtures of carbonylation reactions
06/21/1983US4389336 Preparation of naphthalene-oxidation catalyst by impregnation of silica with aqueous solution of VOC2 O4 --K2 SO4 --KHSO4
06/21/1983US4389323 Process of making two uniform grades of calcium magnesium acetate
06/21/1983CA1148565A1 Intermediates in the preparation of cycolpropane-carboxylate esters and process for their manufacture
06/21/1983CA1148564A1 Asymmetric hydrogenation of prochiral olefines by complexes of transition metals immobilized in clay-like minerals
06/21/1983CA1148543A1 Process for the preparation of 4-amino-6-tert.-butyl- 3-methylthio-1,2,4-triazin-5(4h)-one
06/21/1983CA1148527A1 Phosphorus-vanadium-oxygen catalyst precursors and catalysts
06/15/1983EP0081384A1 Process for the preparation of aromatic or heteroaromatic carboxylated compounds
06/15/1983EP0081152A1 Process for preparing acetic-anhydride and/or acetic-acid and/or ethylidene diacetate
06/15/1983EP0081149A1 New steroidal chiral phosphines, methods for their preparation, catalytic systems containing them and catalytic processes in which they are used
06/15/1983EP0081053A1 Optically active fluoroalkoxy-carboxylic acid or its derivative
06/15/1983EP0081050A1 Process for the production of pure neohexanol
06/14/1983US4388471 Process for the preparation of alkenyl succinic anhydrides
06/14/1983US4388251 Method for preparing 2-chlorobenzoyl chloride
06/14/1983US4388223 Multimetallic molydates
06/14/1983US4388221 For production of maleic anhydride from aliphatic hydrocarbons
06/14/1983US4388217 Stabilization of phodium in water-soluble form
06/14/1983CA1148171A1 Dimeric carbonylation of 1,3-butadiene
06/14/1983CA1148153A1 Polyprenylcarboxylic acid amides
06/14/1983CA1148149A1 Prostaglandin activity
06/09/1983WO1983001951A1 New prostacyclins and preparation method thereof
06/09/1983WO1983001911A1 Catalyst carboxylic anhydride production
06/09/1983WO1983001897A1 Leukotriene analogues
06/07/1983US4387243 Continuous production of ortho-phthalic acid product by two-step catalytic neat oxidation of liquid ortho-xylene with air
06/07/1983CA1147749A1 Process for the manufacture of oxygen-containing carbon compounds and olefins from synthesis gas
06/07/1983CA1147739A1 N-(naphthalenylthioxomethyl)aminoacid derivatives
06/01/1983EP0080061A1 Cis-bicyclo(3.3.0)octane derivatives, medicines containing them and process for the preparation of these compounds and these medicines
06/01/1983EP0080011A1 Novel compounds with antiinflammatory and analgesic activity, process for the preparation thereof and pharmaceutical compositions therefrom
06/01/1983EP0080010A1 Novel compounds with antiinflammatory and analgesic activity, process for the preparation thereof and pharmaceutical compositions therefrom
05/1983
05/31/1983US4386227 Two-functional-group-containing terpenoids
05/31/1983US4386222 Method for making keto acids and dione cyclics obtained therefrom
05/31/1983US4386215 Maleic anhydride production with high crush strength catalysts
05/31/1983US4386104 Process for the treatment of acne
05/31/1983US4386007 Liquid crystalline naphthalene derivatives
05/31/1983US4385904 Novel corrosion inhibitor for alcohol fuels
05/31/1983CA1147345A1 Intermediate in the preparation of cyclopropylcarboxylate esters and process for its manufacture
05/31/1983CA1147343A1 Preparation of a cyclopropylacetic acid and its derivatives
05/25/1983EP0079592A2 Catalyst stabilization
05/25/1983EP0079497A1 Process for the production of isobutyric acid or its alkyl esters
05/25/1983EP0079491A1 Process for the production of methacrylic acid
05/25/1983EP0079461A1 Process for preparing acetic anhydride and eventually acetic acid
05/25/1983EP0079432A1 Process for the production of methacrylic acid from isobutyraldehyde
05/24/1983US4385070 Halogenated esters
05/24/1983US4385004 Esters of ortho-allylphenol useful for the preparation of arylacetic acid derivatives
05/24/1983US4385002 Monoaryl thallium III perchlorates and their preparation
05/24/1983US4384879 4-(1H-Azolylmethyl)-1,3-dioxolan-5-one derivatives, production thereof and use thereof as growth regulators and/or microbicides
05/24/1983CA1146972A1 Waste water treatment in the production of methacrylic acid
05/24/1983CA1146971A1 Method of preparing aliphatic carboxylic acids
05/24/1983CA1146970A1 Method of preparing aliphatic carboxylic acids
05/18/1983EP0079170A1 Preparation of mixed vanadium phosphorus oxide catalysts and their use in oxidative processes
05/18/1983EP0079132A1 Process for the production of oxygenated hydrocarbons by the catalytic conversion of synthesis gas
05/18/1983EP0079005A1 Process for the preparation of carboxylic acid anhydrides
05/18/1983EP0078993A1 Process for the preparation of benzoyl chloride
05/18/1983EP0078818A1 Process for co-production of tert. alkyl-methylether and formic acid.
05/18/1983EP0034172B1 Mixed salt of valproic acid
05/17/1983US4384137 Process for preparation of hydroxyarylglyoxylic acids and their alkaline salts, and application thereof to preparation of sodium parahydroxyphenylglyoxylate
05/17/1983US4384135 Reacting a substituted benzotrifluoride with a substituted phenol
05/17/1983US4384134 Coal with nitric acid, then drying
05/17/1983CA1146594A1 Catalytic liquid-phase oxidation of butane
05/17/1983CA1146593A1 Process for producing two-carbon atom oxygenated compounds from synthesis gas with minimal production of methane
05/17/1983CA1146592A1 Process for producing two-carbon atom oxygenated compounds from synthesis gas with minimal production of methane
05/17/1983CA1146590A1 Process for reacting olefins in a carboxylic acid medium with ozone
05/17/1983CA1146588A1 Process for preparing aromatic carboxylic acids
05/17/1983CA1146585A1 Co-oxidation of methyl benzenes and benzaldehyde
05/17/1983CA1146582A1 Halogenated esters
05/17/1983CA1146581A1 Intermediates in the preparation of cyclopropylcarboxylate esters and process for their manufacture
05/17/1983CA1146580A1 PROCESS FOR PRODUCTION OF .beta.-DIHALOGEN- OETHENYLCYCLOPROPANE DERIVATIVES
05/17/1983CA1146573A1 Production of butyrolactone
05/11/1983EP0078768A1 Process for the catalytic Pd arylation of olefines with aryl halogenides
05/10/1983US4383121 Adiabatic cooling
05/10/1983US4382898 Process for the production of aromatic carboxylic acid chlorides
05/10/1983US4382897 Trifluoroacetyl chloride by treating trifluoro trichloroethane with sulfur trioxide and using a mercury salt catalyst and a baron halide and a halosulfonic acid as promoters
05/10/1983US4382876 Method for producing catalysts for gas phase oxidation of saturated and/or unsaturated C4 -hydrocarbons to maleic anhydride
05/10/1983CA1146175A1 Method for preparing glyoxylic acids and derivatives thereof
05/10/1983CA1146153A1 Supported catalysts containing vanadium pentoxide, titanium dioxide, phosphorus, rubidium and/or cesium with or without zirconium dioxide
05/04/1983EP0078239A2 Process for preparing asymmetrically substituted maleic-acid anhydrides, and asymmetrically substituted maleic acid anhydrides
05/03/1983US4382146 Polycyclic aromatic polycarboxylic acids, extraction with ethanol and methyl ethyl ketone
05/03/1983US4382094 Reduced naphthalenes, their preparation and use
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