Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/1988
11/29/1988US4788282 Carbapenicillins
11/29/1988CA1245646A1 Carbacyclins, process for their manufacture and their use as medicaments
11/23/1988EP0292131A2 Prevention of sludge formation
11/23/1988EP0119949B1 Carbacyclins, process for their manufacture and their use as pharmaceutical compounds
11/23/1988CN88102150A Method for producing ibuprofen
11/23/1988CN88101605A Process for preparation of diester of adipic acid
11/22/1988US4786756 Aluminum phosphate catalyst pretreated with inorganic base
11/22/1988US4786753 Oxidation process for the manufacture of aromatic acids from alkylaromatic compounds
11/22/1988US4786752 Cobalt, manganese and zirconium components precipitated as oxalate salt
11/22/1988US4786744 Reaction with alcohol or amine
11/22/1988US4786732 Resolution of enantiomers of 2-(4-aryloxyphenoxy) propionic acids by liquid chromatography with a chiral eluent
11/22/1988US4786443 Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst
11/22/1988US4786370 Dehydration of formic acid by extractive distillation
11/17/1988WO1988008835A1 Asymmetric hydroformylations of prochiral olefins to chiral aldehydes in high enantiomeric excess
11/17/1988EP0291117A1 Process for the preparation of carboxylic acids or of esters thereof
11/17/1988EP0291033A1 Preparation of 4-pentenoates by isomerization
11/17/1988EP0290901A1 Bicyclic decane-dicarboxylic acids, process for their preparation and their use as flotation agents
11/16/1988CN88100592A Catalyst for oxidation of olefin or tertiary alcohol and process for production thereof
11/15/1988US4785132 Process for preparing cyclohexanonecarboxylic acid compounds
11/15/1988US4785120 Bromination, aromatization of alkyltetrahydrophthalic anhydride
11/15/1988US4784981 Vanadium/phosphorus mixed oxide catalyst, process for its preparaton and its use
11/09/1988EP0290319A1 1-Fluoro-1-halogeno-dioxa-3,6-bicyclo[4.1.0]heptane, preparation process and use
11/09/1988EP0289973A1 Use of a fatty oil from Helianthus annuus in the production of diperazelaic acid
11/09/1988CN88101940A Improvements in or relating to leukotriene antagonists
11/08/1988US4783551 Potassium acetylsalicylate addition compound and process of preparing
11/08/1988US4783548 Processes for preparing 3,4-dihydro 2-naphthanoic acid and 2-naphthanoic acid and esters thereof
11/08/1988CA1244468A1 Aralkanamidophenyl compounds
11/08/1988CA1244426A1 2-¬4-¬(4,4-dialkyl-2,6-piperidinedion-1- yl)butyl|-1-piperazinyl| pyrimidines
11/03/1988DE3813452A1 Process for the preparation of trifluoromethylbenzoic acid from hexafluoroxylene
11/03/1988DE3713128A1 Process for the preparation of isomerically pure Z-2-methyl-2-butenoic acid and esters thereof
11/02/1988EP0289324A1 Method for racemization of optically active chrysanthemic acid derivatives
11/02/1988EP0289178A1 Process for producing methacrylic ester
11/02/1988EP0288974A2 Process for the preparation of diether diphthalic anhydrides
11/02/1988EP0288747A1 Calcium lactate-glycerine additive, process for its preparation and its use
11/02/1988CN88105501A Process for preparation of 3,3-dimethyl-penten-4 acid
11/01/1988US4782183 Method for manufacture of amino-carboxylic acid salts
11/01/1988US4782181 Process for removal of high molecular weight impurities in the manufacture of purified terephthalic acid
11/01/1988US4782180 Catalytic decarboxylation of tetrafluorophthaltic acid
11/01/1988US4782074 Fungicidal N,N-disubstituted-heterocyclic carboxamides
11/01/1988US4781868 Method for making unsaturated aliphatic carboxylic acid anhydrides
11/01/1988US4781809 Recovering free organic acids from solutions in which they occur with other organic matter
11/01/1988CA1244048A1 Compounds and compositions useful for producing analgesia
10/1988
10/26/1988EP0288305A1 Di-t-butylphenyl alkyl and benzyl ethers
10/26/1988EP0288256A2 Fluorescent labels
10/26/1988EP0288190A1 Improvements in or relating to leukotriene antagonists
10/26/1988EP0288189A1 Improvements in or relating to leukotriene antagonists
10/26/1988EP0287909A1 Amyloidosis and Alzheimer's disease diagnostic assay and reagents therefor
10/26/1988EP0287882A1 Synthesis of peptidamides by the solid phase method using anchor groups unstable as to acids
10/25/1988US4780568 Isobutyric acid and other impurities
10/25/1988US4780567 Process for producing aromatic hydroxycarboxylic acids
10/25/1988US4780548 Vapor phase oxidation
10/25/1988US4780252 Process for separating optical isomers of cyclopropane carboxylic acids
10/25/1988US4780129 Cycloxexenone derivatives, their manufacture and their use for controlling undesirable plant growth
10/25/1988CA1243693A1 Emulsion-char method for making fine powder
10/25/1988CA1243683A1 Process for producing acetic acid
10/19/1988EP0287279A1 Process for producing 2,6-naphthalenedicarboxylic acid
10/19/1988EP0287004A2 Method for the production of esters of trifluoroacrylic acid
10/19/1988EP0286969A2 Process for preparing trans-2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropane-carboxylic acid
10/19/1988EP0286944A2 New process for the preparation of 2-aryl-propionic acids
10/19/1988EP0185079B1 N-substituted butyramide derivatives
10/19/1988CN88100650A Anti-inflammotory agent
10/18/1988US4778930 Process for the oxidation of olefins using catalysts contaning antimony
10/18/1988US4778925 New benzoic acid derivatives, as well as processes for their production and their use as pharmaceuticals
10/18/1988US4778924 Process for the production of cinnamic acid
10/18/1988US4778630 Cyclopropene fatty acid; produces lipid like cocoa butter
10/18/1988CA1243313A2 Prostaglandins
10/18/1988CA1243312A1 Prostaglandins
10/12/1988EP0286448A2 Process for the preparation of phthalic anhydride
10/12/1988EP0164619B1 2,4,5-trihalo or 2,3,4,5-tetrahalo benzene derivatives and process for producing them
10/12/1988CN88100585A Anti-inflammatory agents
10/11/1988US4777288 Process for preparing a 4,4-diphenylbutanoic acid derivative
10/11/1988US4777287 Recycle of vaporized solvent in liquid phase oxidation of an alkyl aromatic
10/11/1988US4777184 Prostaglandin derivatives, their preparation and use
10/11/1988US4776987 Using noble metal chelate catalyst
10/11/1988US4776986 Synthesis of high purity 5-chloroisophthaloyl chloride
10/11/1988US4776984 Process for the enrichment with Δ6 fatty acids of a mixture of fatty acids
10/11/1988US4776983 Polymerization of fatty acids
10/11/1988CA1243025A1 Homocyclic derivatives
10/06/1988DE3708625A1 Work up and regeneration of deactivated P-Mo-V-containing heteropolyacid catalysts
10/05/1988EP0285305A2 Separation of monoalkyl maleate from dialkyl maleate
10/05/1988EP0284947A1 Heteropolyacid oxidation catalyst having an active life span
10/05/1988EP0284937A2 Method for the production of 2-benzyl fatty acids
10/05/1988EP0284872A1 Reactivation and stabilisation of the activity of heteropolyacid catalysts
10/05/1988CN87108335A Process for production of acrylic acid
10/04/1988CA1242748A1 Salt of dicamba
10/04/1988CA1242742A1 2,4,5-trihalogeno- and 2,3,4,5-tetrahalogenobenzene
10/04/1988CA1242741A1 Preparation of 4-substituted but-3-ene-1-carboxylic acids and their esters
10/04/1988CA1242738A1 Acid salts of valproic acid
10/04/1988CA1242733A1 Cyclopropane carboxylic acid esters containing a polyhalogenic substituent, preparation process insecticide composition containing same
10/04/1988CA1242718A1 Acetylene derivatives and methods for the treatment of hypertension and angina
10/04/1988CA1242708A1 Benzoquinone derivatives and production thereof
09/1988
09/28/1988EP0284310A1 Process for producing ibuprofen
09/28/1988EP0284170A1 Process for the preparation of a diester of adipic acid
09/28/1988CN88101206A Process for carbonylation of olefinically unsaturated compounds with palladium catalyst
09/22/1988WO1988007034A1 Process for selectively hydroesterifying diolefin
09/22/1988WO1988007033A1 Process for selectively hydroformylating diolefin
09/22/1988WO1988007032A1 PROCESS FOR PREPARING alpha-(3-BENZYLPHENYL)PROPIONIC ACID DERIVATIVE
09/22/1988WO1988006917A1 Activity stabilization and reactivation of heteropolyacid catalysts
09/21/1988EP0283194A2 Process for producing carboxylic acids
09/21/1988EP0283038A1 (Vinylphenyl)phenylmethane and method for producing (benzoylphenyl)propionic acid