Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
10/1985
10/09/1985EP0157315A2 Optically active di(3-chlor-2-oxypropyl-trimethyl-ammonium) tartrate
10/09/1985EP0157122A1 Process for the preparation of terephthalic acid derived from dimethylterephthalate obtained from p-xylene and methanol
10/09/1985EP0157022A1 Process for the preparation of 4-chloro / 4-bromonaphthalic acid anhydrid
10/08/1985US4546203 Facile synthesis of β-hydroxy-β-methylglutaric acid
10/08/1985US4546202 Process for the recovery of cobalt and manganese from oxidation residue incinerator ash, pyrolysis sand and pyrolysis char
10/08/1985US4546201 Using 1-phenylethylamine andf chloroform; efficiency
10/08/1985US4545923 Process for preparing colloidal ceric oxide and complexes thereof with free organic acids
10/02/1985EP0156770A1 Stilbene derivatives
10/02/1985EP0156597A2 Process for the extraction of dilute amounts of carboxylic acids from liquid solutions
10/02/1985EP0156498A1 Process for producing acetic acid
10/02/1985EP0156310A2 Process for reacting olefines and maleic anhydride and use of the succinic anhydride so obtained in the preparation of corrosion inhibitors and mineral oil additives
10/02/1985EP0156309A2 Process for the obtention of water-free or substantially water-free formic acid by hydraulysis of methyl formiate
10/02/1985EP0156133A1 Process for the preparation of dimethyl terephthalate from p-xylene and methanol
10/02/1985EP0156100A2 3-Substituted hydroxypentanedioic acids, -hemiesters or -anhydrides
10/01/1985US4544766 Process for preparing aryl acetic acid derivatives
10/01/1985US4544668 Methylenealkanamide derivatives
10/01/1985US4544511 Process for producing acetic anhydride
10/01/1985US4544505 Carbonylation and carboxylation of dihaloalkanes
10/01/1985CA1194491A1 Process for preparing aromatic hydroxycarboxylic acids
10/01/1985CA1194490A1 Process for the preparation of aromatic hydroxycarboxylic acids
10/01/1985CA1194484A1 Fungicidal triazole and imidazole derivatives
09/1985
09/25/1985EP0155901A1 Carbacyclines, process for their preparation and their use as medicines
09/25/1985EP0155885A1 Dihalogen-2,3-fluor-2-propanals, process for their preparation and their application for obtaining dihalogen-2,3-fluor-2-propionic acid halides and esters, and also alkyl- or arylfluoracrylates
09/25/1985EP0155765A1 Method for racemization of chrysanthemic acid or its ester
09/25/1985EP0155392A2 Improved processes for preparing 7-(2-hexyl-5-hydroxy-cyclopentyl)-heptanoic acid
09/24/1985US4543362 P-Alkyl or cycloalkyl phenoxy alkanols and alkanol esters and process for the treatment of allergic conditions
09/24/1985US4543219 Baffle tray tower
09/24/1985US4543217 Carbonylation catalysts
09/24/1985US4543214 Denitrobromination
09/24/1985CA1194033A1 Process for the co-production of carboxylic acids and carboxylic acid esters
09/24/1985CA1194030A1 Continuous isolation of phthalic anhydride and maleic anhydride from reaction gases
09/24/1985CA1194029A1 4-methyl 3-formyl pentanoic acid derivatives; process for preparing the same and their use for the preparation of cyclic derivatives
09/24/1985CA1194014A1 Process for preparing methacrylic acid
09/18/1985EP0155122A2 Production of esters
09/18/1985EP0155079A1 Acetylene amines and their use as vasodilators and antihypertensives
09/18/1985EP0154853A1 Process for the preparation of optically active alpha-arylalkanoic acids
09/18/1985EP0154756A1 Citrate of vinpocetine, and process for its preparation
09/17/1985US4542239 Reaction with ammonia, heat and pressure, precipitation
09/17/1985US4542238 Optically active substance
09/17/1985US4542237 Manufacture of alpha-arylalkanoic acids and precursors
09/17/1985US4542235 Method for producing an optically active 2,2-dimethylcyclopropanecarboxylic acid
09/17/1985US4542233 Process for preparing biaryl compounds via coupling of an arylamine with an arene
09/17/1985US4542231 Polymerization inhibition, cerium compound, phenolic compound
09/17/1985US4542151 Tetrahydrothienyl substituted ethers
09/17/1985US4541951 1(1,3-Dioxobutane)-3,3-dimethylcyclohexane useful in perfumes
09/17/1985CA1193615A1 Process for the production of oil-soluble metal salts
09/17/1985CA1193613A1 Preparation of unsaturated acids and esters by oxidative condensation
09/12/1985WO1985003931A1 Dihalogeno-2-3-fluoro-2-propanals, obtention process thereof and their applications to the obtention of halides and esters of dihalogeno-2,3-fluoro-2-propanoyls and alkyl or aryl fluoroacrylates
09/11/1985EP0154223A2 Process for the preparation of 6-acetoxy-2-naphthoic acid and of pure 6-hydroxy-2-naphthoic acid
09/10/1985US4540811 Olefin, carbon monoxide, alcohol, catalyst containing group 6b metal, nickel, and alkali metal
09/10/1985US4540797 Acxid hydrolysis of diastereomeric ethers
09/10/1985US4540710 Insecticidal ester enantiomers
09/10/1985US4540493 Process for treating wash water from the manufacture of terephthalic acid
09/04/1985EP0153834A1 Carbonylation process improvement
09/04/1985EP0153701A1 Process for the preparation of optically active alpha-arylalkanoic acids
09/04/1985EP0153689A2 Prostaglandin intermediates
09/04/1985EP0153615A1 Process for the preparation of tetronic acid
09/04/1985EP0153522A1 Process for the oxidation in the air of keto-acids in an organic diluent melt with a manganese catalyst
09/04/1985EP0153474A2 Process for obtaining D-2-(6-methoxy-2-naphthyl)-propionic acid
09/03/1985US4539425 Process for the preparation of benzoic acid
09/03/1985US4539419 Treatment of allergies
09/03/1985US4539409 Process for preparing aromatic nitriles
09/03/1985US4539148 Production of 1-oxacephams and intermediates
09/03/1985US4539126 Borated basic metal salt and lubricating oil composition
09/03/1985CA1192909A1 Process for epimerizing trans-chrysanthemic acids; new intermediates obtained
08/1985
08/29/1985WO1985003704A1 Preparation of optically active 1,3-dioxolane-4-methanol compounds
08/29/1985WO1985003703A1 Carbonylation process improvement
08/29/1985WO1985003701A1 Process for preparing p-substituted phenol derivatives
08/28/1985EP0153292A2 Purification of crude sorbic acid
08/28/1985EP0153203A1 C10-C20-Branched-chain fatty acids useful as medicaments and the preparation thereof
08/28/1985EP0153077A2 Process for producing antimony-containing oxide catalyst supported on silica for use in fluidized bed reaction
08/27/1985US4537998 Process for the oxidation of isobutylene oxide to methacrolein
08/27/1985US4537988 Process for the preparation of 2-(4-hydroxyphenyl)-3-methylbutyric acid
08/27/1985US4537979 Alpha-substituted-alkylarylketals particularly useful for preparing alpha-arylalkanoic acids
08/27/1985US4537978 Process for the production of trimellitic anhydride
08/27/1985US4537970 Carbonylation of arylhalides with carbon monoxide in presence of cobalt catalyst
08/27/1985US4537903 Substituted cinnamyl-2,3-dihydrobenzofuran and analogs useful as anti-inflammatory agents
08/27/1985US4537897 3-(1,2-Propadienyl)-cyclopropane-carboxylates
08/27/1985US4537874 Catalyst for production of unsaturated aldehydes
08/27/1985US4537871 Carbonylation catalyst
08/27/1985US4537723 Bronchodilators, inhibiting platelet aggregation
08/27/1985US4537713 Process for the reduction of reducible groups and its use
08/27/1985CA1192576A1 Production of an acylium anion product and carboxylic acids and esters therefrom
08/21/1985EP0152004A1 Process for preparing alpha-aryl-alkanoic acids
08/21/1985EP0152003A1 Process for the preparation of alpha-hydroxyaryl-alkanoic acids
08/21/1985EP0151912A2 Phosphorus-vanadium-mixed oxide oxidation catalysts and processes for the preparation and use thereof
08/21/1985EP0151817A1 Process for preparing alpha-arylalkanoic acids
08/21/1985EP0151702A2 Alpha-hydroxyketone acetals
08/21/1985EP0151581A1 Phosphorus-containing metal salt/olefin compositions and reaction products of same with active sulfur.
08/20/1985US4536597 Using coordination catalysts of a palladium, compound, organoarsin, and halogen compound
08/20/1985US4536595 Reacting carbon monoxide with aryl halide, in presence of cobalt hydrocarbonyl salt catalst
08/20/1985US4536594 Reacting hydrocarbon with vinylidene chloride and teriary carbon ad
08/20/1985US4536560 Films, fibewrs, coatings
08/20/1985US4536354 Process for the preparation of carboxylic anhydrides
08/20/1985US4536346 Treatment of atherosclerosis
08/20/1985US4536342 Reacting unsaturated compound with benzenediazonium compound and halogen compound
08/20/1985US4536337 Reacting a polynuclear aromatic hydrocarbon and ceric salt in acid solution
08/20/1985US4536326 Sodium borohydride as polymerization inhibitor
08/20/1985CA1192219A1 Production of acetic acid and propionic acid and their esters
08/20/1985CA1192218A1 Isomer enrichment process for cyclopropanecarboxylates