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)
07/1989
07/04/1989US4845273 Carbonylation of aromatic iodides to produce aromatic carboxylic acids
07/04/1989US4845272 Salt formation, preferential crystallization
07/04/1989US4845271 Grignard reagent and unsaturated organochloride
07/04/1989US4845248 Intermediates for the production of podophyllotoxin
07/04/1989US4845243 Optically active dioxalane-one
07/04/1989US4845241 Oxidizing butane with a phosphorus, vanadium catalyst
07/04/1989US4845208 Process for the oxidation of aldoses, catalyst used in said process and products thus obtained
07/04/1989US4845127 Phenethanolamines, compositions containing the same and method for effecting weight control
07/04/1989CA1256894A1 Naphtalenic derivatives, their preparation, and cosmetic composition including same
06/1989
06/29/1989WO1989005788A1 Process of recovering and esterifying maleic anhydride
06/28/1989EP0322215A1 Purification of acetic acid with ozone
06/28/1989EP0322049A1 Nickel/silica catalysts and their preparation
06/28/1989EP0321857A2 Process for preparing aromatic hydroxycarboxylic acids
06/27/1989US4843174 Process for separating pyethroid geometric isomers
06/27/1989US4843173 Process for producing gluconic acid
06/27/1989US4843172 Process for preparing α-phenylpropionic acid derivative
06/27/1989CA1256435A1 Substituted heteroaryl fungicides
06/27/1989CA1256378A1 Pharmaceutical composition containing at least one naphtalenic derivative as active principle
06/21/1989EP0321272A1 Process for exchanging dispersing medium of terephthalic acid slurry
06/20/1989US4840750 Catalytic process for the manufacture of acid fluoride
06/20/1989US4840707 Using a dimethylamide
06/20/1989CA1256085A1 Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether
06/20/1989CA1255903A1 Recording materials
06/14/1989EP0320452A2 Process for preparing carboxylated aromatic hydroxy derivatives
06/14/1989EP0320213A2 Improved, controlled temperature process for making 2,2'-oxodisuccinates useful as laundry detergent builders
06/14/1989EP0320046A1 Process for recovering high-purity D(-)-3-hydroxybutanoic acid
06/14/1989EP0319847A2 Method for the preparation of optically active 3-desmethylmevalonic acid derivatives and intermediate compounds
06/14/1989EP0319819A1 Process for obtaining solid or pasty products
06/14/1989EP0319809A2 Process for preparing alkenyl-succinic anhydrides having a modified colour
06/14/1989EP0319754A1 Process for the preparation of a catalytically active mass containing Mo, Bi, Fe, Co a/o Ni for the gas phase oxidation of propylene into acroleine and acrylic acid
06/13/1989US4839467 Radioactive rhenium complexed to 2-hydroxy isobutyric acid
06/13/1989US4839388 Prostacyclins and pharmaceuticals containing the same
06/13/1989US4839104 Process for preparing sertraline intermediates
06/13/1989US4838998 Process for separating sulfuric acid and carboxylic acids
06/13/1989CA1255599A1 Pharmaceutical compositions containing a 1-substituted methoxy-4-trimethyl-1,2,3,6 benzene derivative
06/08/1989DE3739800A1 Process for the preparation of partially fluorinated tetracarboxylic acids
06/08/1989DE3739797A1 Partially fluorinated dicarboxylic acid and its acid chloride, process for their preparation, and their use
06/08/1989DE3739796A1 Partially fluorinated tetracarboxylic acid and its dianhydride, their preparation and their use
06/07/1989EP0319024A2 Process for producing optically active alpha-isopropyl-p-chlorophenylacetic acid
06/07/1989EP0318642A2 Aluminium-magnesium-hydroxy-carboxylic acid-compound containing gel composition
06/07/1989EP0318634A1 Process for dimerization of aromatic halide compounds
06/07/1989CN1033271A 2,2-difluorocyclopropylethane derivatives processes for their preparation and their use as pesticides
06/06/1989USH645 Process for the conversion of maleic acid derivatives to their corresponding fumaric isomers
06/06/1989US4837404 Process for the preparation of oxy-diphthalic anhydrides
06/06/1989US4837362 Preparation of pure hydroxylammonium salts of fatty acids of 1 to 4 carbon atoms
06/06/1989US4837360 Process for producing acrolein and acrylic acid
06/06/1989US4837169 Polypyridine Fluorescent labels for immunoassay
06/06/1989CA1255330A1 Process for the preparation of 2,4-dichloro-5-fluoro- benzoic acid
06/06/1989CA1255327A1 Process for producing acyloxy aromatic carboxylic acid
06/06/1989CA1255311A1 Isoindolinyl-alkyl-piperazines
06/06/1989CA1255304A1 Tetracyclic spiro-hydantoin aldose reductase inhibitors
05/1989
05/31/1989EP0318425A1 Derivatives of 2,2-difluorcyclopropyl ethane, process for their preparation and their use in pest control
05/31/1989EP0318399A2 Process for the manufacture of dicarboxylic acids
05/31/1989EP0318205A1 Process for the production of nitriles and anhydrides
05/31/1989EP0317884A2 Partially fluorinated carboxylic acids, derivatives thereof, process for preparing them and use
05/31/1989EP0255639B1 Heteropolymolybdate mixtures and their use as catalysts
05/30/1989US4835323 Hydroquinones
05/30/1989US4835308 Process for producing trimellitic acid
05/30/1989US4835307 Method and apparatus for controlling the manufacture of terephthalic acid to control the level and variability of the contaminant content and the optical density
05/30/1989US4835305 Process for the preparation of trifluoroacrylates
05/30/1989US4835126 Process for preparing a catalyst for the preparation of a carboxylic anhydride
05/30/1989US4834907 Stable, high response rate
05/30/1989US4834886 Process for making alkali resistant hyperfiltration membrane and resulting product
05/30/1989CA1254909A1 Dobutamine salts
05/24/1989EP0317394A2 Process for preparing acid anhydrides
05/24/1989EP0317005A2 Process for the preparation of a substituted succinic anhydride
05/24/1989EP0317004A2 Process for the preparation of a substituted succinic anhydride
05/24/1989EP0316893A2 Condensed acetoacetic ester-titanium chelates and process for their preparation
05/24/1989EP0316367A1 Process for separating methacrylic acid from isobutyric acid.
05/24/1989DE3837955A1 Continuous distillation process for producing, for example, hydroquinone-stabilised acrylic acid
05/23/1989US4833272 Diels-alder adduct of maleic anhydride and diene pollowed by catalytic peroxidation
05/23/1989US4833270 Process for preparing 2-chloro-4,5-difluorobenzoic acid
05/23/1989US4833269 Method for purifying terephthalic acid recycle streams
05/23/1989US4833247 Process for the production of 2-benzyl fatty acids
05/23/1989US4833240 Skin disorders; antiinflammatory agents; antialllergens; antitumor agents; ophthalmology
05/23/1989US4833157 Antiulcer agents
05/23/1989US4832878 Gas-liquid process for preparing isobutyryl fluoride and reactor therefor
05/23/1989CA1254512A1 Metal or earth alkali lanolate emulsifying system and water-in-oil type emulsions containing this system
05/17/1989EP0316022A2 Tricyclic compounds
05/17/1989EP0315908A1 Process for preparing perfluorinated carboxylic acid fluorides
05/17/1989EP0315857A1 Process for preparing alpha-branches C12-C40-fatty acids
05/17/1989EP0315716A1 Method of making a diastereomeric mixture containing two diastereomeric N-acyl-amino acid esters
05/17/1989CN1032936A Making of gallic acid from the branches of tea tree and leaves of maple tree
05/17/1989CN1032935A Fluorinated arachidonic acid derivatives
05/16/1989US4831191 Catalytic conversion of allyl formate to carboxylic acids
05/16/1989US4831190 Bactericide intermediates
05/16/1989US4831189 Process for producing aromatic dicarboxylic acids
05/16/1989US4831164 Oxidation of hydrocarbons using titanium oxide, vanadium oxide catalyst
05/16/1989US4831147 Dissolving racemate and cinchona alkaloid in halogenated hydrocarbon; extraction with polyhydroxylic solvent
05/16/1989US4830789 High purity, colorless
05/16/1989US4830716 With metals, oxides, hydroxides or carbonates in aqueous environment
05/16/1989CA1254226A1 Process for the preparation of benzoic acid derivatives having antimicrobial activity
05/10/1989EP0315517A1 Process for producing carboxylic-acid chlorides
05/10/1989EP0315166A2 Fluorinated arachidonic acid derivatives
05/10/1989EP0315100A2 Process for producing 2,6-naphthalenedicarboxylic acid from 2,6-diisopropylnaphthalene
05/10/1989EP0315071A2 Benzocyclohepten derivatives, their preparation and utilisation for pharmaceutics
05/10/1989EP0314759A1 Asymmetric hydroformylations of prochiral olefins to chiral aldehydes in high enantiomeric excess
05/10/1989CN1032783A Enantioselective process
05/09/1989US4828993 Process for the preparation of organic acids
05/09/1989US4828652 Aminoguanidine, distillation
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