Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
05/1988
05/17/1988CA1236850A1 Nopol derived sulfonates
05/17/1988CA1236849A1 Process for the oxidation of butenes to linear acetates
05/17/1988CA1236846A1 Antiagers and polymers containing them
05/17/1988CA1236819A1 Catalyst and process for the synthesis of methanol and alcohol mixtures containing higher alcohols
05/17/1988CA1236815A1 Preparation of modified zeolites and their utilization
05/11/1988EP0267175A2 Sulfone peroxycarboxylic acids
05/11/1988EP0267136A2 Quaternary ammonium salts used as phase transfer catalysts
05/11/1988EP0267127A1 Process for the preparation of trifluoracetate
05/11/1988EP0267107A2 Ion-conducting material
05/11/1988EP0267105A2 Ethylenic oxime derivatives of cyclopropanecarboxylic-acid esters, process and intermediates for their preparation and their use in combatting parasites
05/11/1988EP0267055A1 Novel alpha-chloroketone derivative and process for preparation thereof
05/11/1988EP0267048A2 Peroxyacids, phenoxyacetate peracid precursors and perhydrolysis system
05/11/1988EP0267046A2 Bleaching compositions comprising peracid precursors
05/11/1988EP0266976A1 Catalytic removal of peroxide contaminants from tertiary butyl alcohol
05/11/1988EP0266966A2 Novel peroxymonocarbonate
05/11/1988EP0266906A2 Method and composition for inhibiting acrylate ester polymerization
05/11/1988EP0266878A2 Substituted dioxanones, method for preparing same and use thereof
05/11/1988EP0266849A1 Process for introducing a thiocarboxylic ester group at the ortho-position of phenols or phenylamines
05/11/1988EP0266840A1 Process for preparing urea
05/11/1988EP0266839A1 Process for concentrating a urea solution and installation for carrying out the process
05/11/1988EP0266831A1 Process to separate particles of alkali-metal-bicarbonate from a liquid layer of hydrochloride of an organic nitrogen-containing base adsorbed on their surface, and process for the production of alkali-metal-bicarbonate
05/11/1988EP0266830A1 Process for the extraction of an organic liquid containing an organic nitrogen-containing base from a water suspension of mineral particles, and process for the production of alkali metal bicarbonate
05/11/1988EP0266815A1 Process for the preparation of beta-hydroxybutyric acid and its salts by means of hydrolysis of oligomers of beta-hydroxybutyric acid in a basic medium
05/11/1988EP0266727A1 Process for hydrogenating carbon dioxide and catalyst
05/11/1988EP0266725A1 4-cyano-4-(fluorophenyl)-3-(substituted phenyl) butyric acids, esters and derivatives thereof, and a method of selectively controlling undesirable vegetation in rice therewith
05/11/1988EP0266723A1 Process for the preparation of 1-hydroxy-3-oxapentane-1,2,4,5-tetracarboxylic acid, of 3,6-dioxa-octane-1,2,4,5,7,8-hexacarboxylic acid, of their salts and their mixtures
05/11/1988EP0266691A2 Method for the production of alkene carboxylic acid esters
05/11/1988EP0266690A2 Method for the production of 2,2-disubstituted 3-chlorpropionic acid esters
05/11/1988EP0266689A2 Process for the manufacture of 4-pentenoic acid esters
05/11/1988EP0266661A2 Preparation of cyclohexyl mono- and diurethanes and isocyanates derived therefrom by addition of methylcarbamates to limonene, process and compositions
05/11/1988EP0266660A2 Preparation of a novel diisocyanate from norbornadiene
05/11/1988EP0266659A2 Process for the preparation of tertiary aralkyl monourethanes
05/11/1988EP0266589A1 (Meth)-acrylic acid derivatives from triisocyanates and their use
05/11/1988EP0266552A1 Process for production of isothiocyanates
05/11/1988EP0266544A1 Process for the preparation of halogenated alcohols
05/11/1988EP0266533A2 Precursors and synthesis of methyl-9-oxo-11 alpha, 16-di-hydroxy-16-vinyl-5-cis-13-transprostadienoates
05/11/1988EP0266512A2 Method for the production of benzoic acid derivatives fluorinated on the nucleus
05/11/1988EP0266510A2 Process for the manufacture of methylcyclopropylketone from cyclopropanecarboxylic acids or their derivatives
05/11/1988EP0157781B1 1,23-dihydroxyvitamin d compounds
05/11/1988DE3638026A1 Chirale verbindungen Chiral compounds
05/11/1988CN87107798A Insecticidal thioethers and derivatives thereof
05/11/1988CN87107625A Process for concentrating urea solution and installation for carrying out process
05/11/1988CN87107000A 2-(2-substituted benzoxy)-4-(substituted oxygen or substituted sulfur)-1,3-cyclohexabenzophenone preparation and application
05/11/1988CN87106553A Ethynylphenyl-containing retinoic acid derivatives
05/11/1988CN87105310A Process for extracting paraffins from their mixtures with alkanesulphonic acids
05/11/1988CN87103683A Malonic acid derivative applied to hold back plant growth
05/11/1988CN87102926A Colourless ketimines, their preparation and their use as cross-linking agent
05/10/1988US4743707 Adding potassium salt to aqueous solution, phase separation
05/10/1988US4743706 Saturated ester or anhydride, alcohol or dialkyl ether, catalyst
05/10/1988US4743705 Preparation of acrylate esters
05/10/1988US4743704 Esters of salsalate with guaiacol, for treating phlogistic bronchopneumopathies
05/10/1988US4743702 Preparation of aliphatic dinitriles
05/10/1988US4743701 From alcohol and nitrile and hydroxylamine salt
05/10/1988US4743660 Water-dispersible quaternized aminoamide-modified waxes useful as textile finishing agents
05/10/1988US4743622 Fluoro compounds
05/10/1988US4743621 Ester of acetyl carnitine, processes for its preparation and pharmaceutical compositions containing it
05/10/1988US4743432 Noncommunicating catalyst beds
05/10/1988US4743404 Process for preparing alkyl-sulphonyl chlorides and arylalkyl-sulphonyl chlorides
05/10/1988US4743403 Process for preparing organo-sulfonium halides
05/10/1988US4743400 Process for preparing retinoyl chlorides
05/10/1988CA1236644A1 Method of preparing perfluoropolyethers having regulated molecular weight from the product obtained by photochemical oxidation of c.sub.2f.sub.4
05/10/1988CA1236489A1 Process for fluorinating chlorofluoro telomers
05/10/1988CA1236487A1 Process for producing acetals
05/10/1988CA1236486A1 Continuous process for producing 1,2-pentanediol
05/10/1988CA1236485A1 PROCESS FOR THE PRODUCTION OF N-SUBSTITUTED .alpha.,.beta.- UNSATURATED CARBOXYLIC ACID AMIDES
05/10/1988CA1236479A1 Process for the production of urethanes
05/10/1988CA1236469A1 Recovery of sulfolane
05/10/1988CA1236465A1 Phthalic acid derivatives which are substituted by 2- propynyloxy groups, processes for their preparation and their use
05/10/1988CA1236448A1 Nickel/alumina catalyst, its preparation and use
05/05/1988WO1988003020A1 Organic acid anhydride and pharmaceutical composition on a prodrug base
05/05/1988WO1987005898A3 Use of malonic acid derivative compounds for retarding plant growth
05/05/1988DE3636754A1 Process for the preparation of alkyl acetates
05/04/1988EP0266283A1 Process for the preparation of a mixture containing cyclohexanol and cyclohexanone starting from cyclohexane
05/04/1988EP0266281A1 Process for the preparation of trifluoromethyl iodide
05/04/1988EP0266034A1 Overbased alkali metal additives
05/04/1988EP0265932A2 Process for the preparation of alylanaline using an aluminosilicate catalyst
05/04/1988EP0265931A2 Process for the preparation of alkylaniline using a Friedel-Crafts catalyst
05/04/1988EP0265854A1 Process for preparing fluorobenzaldehydes
05/04/1988EP0265818A2 Process for the preparation of N,N-disubstituted beta-aminoacids and their use in water-proofing leather and skins
05/04/1988EP0265806A1 2-(Substituted sulfamyl)-6-nitrobenzoic acids, amides and esters thereof useful as adjuncts to radiation therapy
05/04/1988EP0265793A1 Process for the preparation of alkanoic acids
05/04/1988EP0265792A1 Process for crystallizing bisphenol-A
05/04/1988EP0265733A1 Process for producing methacrylic acid
05/04/1988EP0265686A2 Test agents and indicators for the detection of thiol groups and processes for their preparation
05/04/1988EP0265668A1 Process for the preparation of a Diisocyanate
05/04/1988EP0265540A1 Trifluoromethanesulfonanilide compounds and herbicidal compositions containing them
05/04/1988CN87105706A Improved catalyst and process for the fluid-bed oxychlorination of ethylene to edc
05/03/1988US4742179 Catalytic removal of peroxide contaminants from tertiary butyl alcohol
05/03/1988US4742077 Fungicides
05/03/1988US4742071 Novel 2-aryl-2-azolylmethyl-1,3-dioxepine fungicides
05/03/1988US4742069 Calcium antagonist, antiangina, antiischemic, hypotensive
05/03/1988US4742058 Polyprenyl compound, process for the production thereof and drug containing the same
05/03/1988US4741846 Stabilizers for polymers or lubricants
05/03/1988US4741832 Dialysis
05/03/1988US4741738 Sulfonation of fats and oils
05/03/1988CA1236121A1 Electrical insulating oil and electrical appliances impregnated with the same
05/03/1988CA1236119A1 Process for producing a chlorohalobenzene
05/03/1988CA1236117A1 Process for preparing pure fluoral and hexafluoroacetone hydrates from hemiacetals
05/03/1988CA1236116A1 Process for the production of s(-)-3-/3-acetyl-4- (3-tert.butylamino-2-hydroxy-propoxy)-phenyl/-1,1- diethylurea and its salts
05/03/1988CA1236114A1 Process for the production of l-malic acid