Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
05/1983
05/31/1983CA1147351A1 Prevention of polymer formation in dehydrogenation of p-ethyltoluene
05/31/1983CA1147346A1 Preparation of a cyclopropanecarbaldehyde
05/31/1983CA1147345A1 Intermediate in the preparation of cyclopropylcarboxylate esters and process for its manufacture
05/31/1983CA1147344A1 Preparation of glyceride esters
05/31/1983CA1147343A1 Preparation of a cyclopropylacetic acid and its derivatives
05/31/1983CA1147341A1 Process for producing pure nitriles
05/31/1983CA1147272A1 Process for the separation of para-xylene
05/26/1983WO1983001773A1 Stabilization of oxime carbamates with gallic acid, lower alkyl ester derivatives thereof
05/26/1983WO1983001772A1 ESTERS OF ARYLOXYPROPANOLAMINE DERIVATIVES AND USE AS beta -ADRENERGIC BLOCKING AGENTS
05/26/1983WO1983001771A1 Derivatives of 2-hydroxy-4-amino-benzene, preparation thereof and hair dye containing such derivatives
05/26/1983WO1983001770A1 2-hydroxypropylamine aryl ester derivatives
05/25/1983EP0079862A2 1,4-Diamino-anthraquinone compounds
05/25/1983EP0079855A1 Alkylated hydroxyphenylthioalcanoic esters
05/25/1983EP0079767A2 Amino acids and a process for preparing same
05/25/1983EP0079592A2 Catalyst stabilization
05/25/1983EP0079565A1 Preparation of catalyst systems containing at least one metal and a solid carrier of silica or zeolite
05/25/1983EP0079555A1 Perfluoro(2-bromoethylvinyl ether)
05/25/1983EP0079537A1 Carbamoyl oximes, process for their preparation and their use as herbicides
05/25/1983EP0079536A2 Process for the preparation of modified polyamines
05/25/1983EP0079516A2 Process for making 4,4'-diisocyanatodiphenyl methane
05/25/1983EP0079512A2 Process for the preparation of polyamines from N-monoaryl-N',N'-dialkyl urea compounds, and their use in the formation of polyurethanes
05/25/1983EP0079497A1 Process for the production of isobutyric acid or its alkyl esters
05/25/1983EP0079491A1 Process for the production of methacrylic acid
05/25/1983EP0079490A1 Process for the production of formaldehyde
05/25/1983EP0079481A1 Process for preparing 1,1-dihalo-1,2,2,2,-tetrafluoroethanes
05/25/1983EP0079461A1 Process for preparing acetic anhydride and eventually acetic acid
05/25/1983EP0079432A1 Process for the production of methacrylic acid from isobutyraldehyde
05/24/1983US4385190 Reaction of a lower alkyl ether with an alkylene oxide in presence of a heteropoly acid
05/24/1983US4385189 Herbicides
05/24/1983US4385188 Stripping using inert gases
05/24/1983US4385187 Ion exchange resins,molding materials
05/24/1983US4385186 Optically active 4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentenone
05/24/1983US4385185 Alcohol derivatives
05/24/1983US4385184 Cationic surface active agents
05/24/1983US4385114 Determination of hydrogen peroxide or peroxidase
05/24/1983US4385070 Halogenated esters
05/24/1983US4385069 Combating fungi with N-allenyl-acetanilides
05/24/1983US4385066 Arylethanolamine derivatives, their preparation and use in pharmaceutical compositions
05/24/1983US4385007 Preparation of zerovalent nickel complexes
05/24/1983CA1146978A1 Process for the recovery of isoprene, and isoprene so recovered
05/24/1983CA1146977A1 Process for the preparation of dihalovinyl compounds
05/24/1983CA1146976A1 Stabilized halogenated hydrocarbons
05/24/1983CA1146975A1 Method for preventing caking of polyols
05/24/1983CA1146974A1 Process for the preparation of n,n'- diformylhydrazine
05/24/1983CA1146973A1 Process for the production of urea grains with improved properties
05/24/1983CA1146972A1 Waste water treatment in the production of methacrylic acid
05/24/1983CA1146970A1 Method of preparing aliphatic carboxylic acids
05/24/1983CA1146966A1 Catalytic process for the conversion of toluene to equimolar amounts of phenol and formaldehyde
05/24/1983CA1146965A1 Deposit control and dispersant additives
05/24/1983CA1146964A1 3-benzoyl-2-nitrophenylacetic acids, metal salts, amides and esters
05/24/1983CA1146962A1 Undecanoic acids and esters thereof, and processes for their manufacture
05/24/1983CA1146961A1 Carboxylic acid hydrazides and processes for their manufacture
05/24/1983CA1146960A1 O-(n-allyl-2,6-dichloroanilino) phenylacetic acid derivative and a process for preparing the same
05/24/1983CA1146959A1 Synthesis of methylene bis(methylanthranilate)
05/24/1983CA1146957A1 Diisocyanates and diisocyanate mixtures based on diphenylmethane, processes for their production and their use as isocyanate component in the production of polyurethane plastics by the isocyanate polyaddition process
05/24/1983CA1146956A1 Substituted polyisocyanate or polyisocyanate mixtures of the diphenyl methane series containing chlorosulfonyl groups
05/24/1983CA1146955A1 Pyrophosphato titanate adducts
05/24/1983CA1146954A1 N-oxalyl derivatives of n-phenyl-aminoacids or n-phenyl-aminoacid esters, process for their preparation, and their use as fungicides
05/24/1983CA1146948A1 2-¬2-HYDROXY-3,5-DI-(.alpha.,.alpha.-DI-METHYLBENZYL) PHENYL|- 2H-BENZOTRIAZOLES AND STABILIZED COMPOSITIONS
05/24/1983CA1146934A1 Compositions comprising asymmetrical peroxydicarbonates and methods for their use
05/24/1983CA1146929A1 Destruction method for the wet combustion of organics
05/24/1983CA1146926A1 Supported superacid catalysts for hydrocarbon conversion
05/24/1983CA1146923A1 Method for preparing crystalline zeolite, zeolites prepared thereby, catalysts containing them and use of such catalysts
05/24/1983CA1146900A1 Process for the preparation of an aromatic hydrocarbon mixture
05/18/1983EP0079322A1 Manufacture of aqueous formaldehyde
05/18/1983EP0079168A1 Process for making 1-(3-benzyloxyphenyl)-1,1-dimethylheptane and intermediates therefor
05/18/1983EP0079141A1 Aminoresorcinol derivatives
05/18/1983EP0079132A1 Process for the production of oxygenated hydrocarbons by the catalytic conversion of synthesis gas
05/18/1983EP0079093A1 Process for the selective alkylation of an aniline
05/18/1983EP0079091A1 A process for the isomerization of paraffins
05/18/1983EP0079005A1 Process for the preparation of carboxylic acid anhydrides
05/18/1983EP0078993A1 Process for the preparation of benzoyl chloride
05/18/1983EP0078956A1 Process for making 5-oxohexane nitrile
05/18/1983EP0078955A1 Process for making esters or nitriles of 5-oxoalkanoic acids
05/18/1983EP0078925A1 (+)- or (-)-7-Hydroxymethyl-2,6,6-trimethyltricyclo-(6,2,1,0 1,5) undecane, a process for producing them and a perfume composition
05/18/1983EP0078922A1 Process for the preparation of vitamins K3 and K4 and of their derivatives
05/18/1983EP0078885A1 Di(acylperoxy)-1,4-cyclohexane dimethanol-bis-carbonates and methods of use
05/18/1983EP0078818A1 Process for co-production of tert. alkyl-methylether and formic acid.
05/18/1983EP0034172B1 Mixed salt of valproic acid
05/17/1983USRE31245 Process for preparing a diester of oxalic acid in the gaseous phase
05/17/1983US4384159 Catalytic dehydrohalogenation process
05/17/1983US4384158 From 8-bromo-1-octyne and cis-3-octenylamagnesium chloride
05/17/1983US4384152 Catalytic hydrogenation with supported nickel, isomerization with aluminum chloride, and dehydrogenation with chromium oxide-aluminumoxide
05/17/1983US4384148 Hydration of olefins
05/17/1983US4384147 Oxides of aluminum and/or iron, nickel, copper, and molybdenum
05/17/1983US4384145 Process for the preparation of pinacolone
05/17/1983US4384144 Process for preparing cyclopentenone derivatives
05/17/1983US4384142 Production of cyclohexylamine
05/17/1983US4384140 2-Chloroethyl urea derivatives
05/17/1983US4384139 Catalytic chlorination or bromination of a b-hydroxyalkonoic acid follow-ed by hydrolysis; sulfiding the b-haloalkanoic acid
05/17/1983US4384137 Process for preparation of hydroxyarylglyoxylic acids and their alkaline salts, and application thereof to preparation of sodium parahydroxyphenylglyoxylate
05/17/1983US4384136 Process for recovering amino acids from protein hydrolysates
05/17/1983US4384135 Reacting a substituted benzotrifluoride with a substituted phenol
05/17/1983US4384114 Chemical intermediates for insecticides
05/17/1983US4383949 Preparation of 3-bromo-4-fluorobenzaldehyde and its acetals
05/17/1983US4383948 Hydrazone derivatives containing a quaternary ammonium group useful as UV absorbers
05/17/1983US4383929 Fluorinated sulphobetaines and compositions containing the same
05/17/1983US4383894 Removal of organic iodine compounds from acetaldehyde
05/17/1983US4383893 Distillative separation of liquid mixtures containing aliphatic alcohols
05/17/1983US4383842 Distillative separation of methane and carbon dioxide
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