Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
05/1981
05/26/1981US4269777 Isotopically labeled vitamin D derivatives and processes for preparing same
05/26/1981US4269775 Oxime derivatives for protecting plant crops
05/26/1981US4269767 Diazotization of aromatic amines
05/26/1981US4269731 Discoloration inhibition; molding materials
05/26/1981US4269726 Compositions comprising asymmetrical peroxydicarbonates and methods for their use
05/26/1981US4269720 N-(2-amino-3-ethyl-alpha-methylbenzylidene)-2,6-diethyl aniline
05/26/1981US4269674 Method of preparing para-chlorotoluene
05/26/1981US4269667 Feeding a solution of acrylonitrile, water, and impurities into the upper quarter of a column above the sidestream removal point; vacuum distillation
05/26/1981CA1101891A1 Process for the preparation of resorcinol or alkylsubstituted derivatives thereof
05/26/1981CA1101889A1 Process for the preparation of tertiary aliphatic amines
05/26/1981CA1101888A1 Process for the manufacture of n-(3,4-dimethylphenyl- n-d-ribamine
05/26/1981CA1101887A1 Manufacture of n-[3,4-dimethylphenyl]-d-ribamine
05/26/1981CA1101886A1 Promoting the reaction of sodium salts of formyl derivatives of aromatic amines to form nitrodiarylamines
05/26/1981CA1101885A1 Salts of dicarboxylic acids and diamines, having an improved color number, their manufacture and their use
05/26/1981CA1101884A1 Method for the production of urea from pure co.sub.2 and nh.sub.3
05/26/1981CA1101883A1 Process for separating mixtures of 3- and 4- nitrophthalic acid
05/26/1981CA1101880A1 Manufacture of acetals
05/26/1981CA1101875A1 Stereoselective preparation of hexahydro dibenzopyranones and intermediates therefor
05/26/1981CA1101873A1 2,6-dialkoxybenzamides, intermediates, pharmaceutical compositions and methods for treatment of psychotic disorders
05/26/1981CA1101871A1 Long-chain fatty acid amides and hydrazides and cyclopropano analogues thereof, their production and their use as anti-atherosclerotic agents
05/26/1981CA1101867A1 Phenoxy-alkanecarboxylic acid derivatives, their production, and their use
05/26/1981CA1101866A1 Herbicidally active substituted diphenyl ether derivatives, processes for their manufacture and herbicidal compositions containing them, and their use for selective weed control
05/26/1981CA1101846A1 Derivatives of 4-hydroxy-phenylglycine
05/26/1981CA1101824A1 No translation available
05/26/1981CA1101641A1 Urea granulation
05/26/1981CA1101633A1 Crystalline borosilicate (ams-1b) and process use
05/20/1981EP0028999A1 Process for the preparation of antioxidant amides
05/20/1981EP0028964A1 Process for the preparation of alkali-difluoromethane sulfonates
05/20/1981EP0028940A1 Antiarrhythmic tetrahydronaphthalene derivatives
05/20/1981EP0028931A1 Process for producing resorcinol
05/20/1981EP0028910A1 Improved process for producing phenolic compounds from aralkyl hydroperoxides
05/20/1981EP0028892A1 A heteronuclear-bridged rhodium cluster and its application as catalyst for hydroformylation of olefins
05/20/1981EP0028881A1 Preparation of alpha-chloro-ortho-xylene
05/20/1981EP0028835A1 Method of preparing a gas containing a high portion of methane
05/20/1981EP0028829A1 Ureas with cyclic substituents, their manufacture and their use as herbicides
05/20/1981EP0028781A1 Polyisocyanate mixtures of the diphenylmethane series and their use as additives in adhesives
05/20/1981EP0028760A1 Process for the preparation of 1,1-dibromobutadiene
05/20/1981EP0028759A1 Process for preparing pivaloyl-acetic-acid esters
05/20/1981EP0028758A1 Process for preparing alkyl esters and cycloalkyl esters of pivaloyl-pyruvic acid
05/20/1981EP0028730A1 Process for the preparation of 1,6-diaminonaphthalene-4,8-disulphonic acid
05/20/1981EP0028725A1 Process for the preparation of aromatic aldehydes according to the Sommelet reaction
05/20/1981EP0028724A1 Process for preparing aryl isocyanates by thermal decomposition of aryl urethanes
05/20/1981EP0028723A1 Process for the preparation of N,N'-diformyl hydrazine
05/20/1981EP0028714A1 Process for the preparation of 3-phenoxybenzaldehydes
05/20/1981EP0028709A1 Process for the preparation of gamma-chloroaceto-acetyl chloride
05/20/1981EP0028682A2 Intermediates useful at the preparation of compounds having anti-depressive or tranquilizing activity
05/19/1981US4268698 Chlorinating tetrachloroxylene, ferric chloride, hexamethylenetetramine
05/19/1981US4268697 Synthesis of long-chain alkanes having terminal functionality
05/19/1981US4268695 Process for the continuous preparation of butane-1,4-diol
05/19/1981US4268693 3-Hydroxydiphenyl ethers
05/19/1981US4268690 Process for producing terephthalic acid of high purity
05/19/1981US4268685 Salicylamide esters and related pharmaceutical composition
05/19/1981US4268682 Anchoring agents for phosphine catalysts
05/19/1981US4268605 Stabilization of organic substrate materials including photographic dye images against the action of light
05/19/1981US4268525 Amidoximether insecticides
05/19/1981US4268456 Process for preparing chlorothiolformates
05/19/1981US4268451 Daunomycin derivatives, their aglycones and the use thereof
05/19/1981US4268447 From butanediol diacetate by hydrolysis, distillation, transesterification with methanol
05/19/1981US4268445 Adduct formation followed by acid catalyzed cyclization
05/19/1981US4268444 Preparation of polyene-aldehydes
05/19/1981US4268437 Continuous diazotization of amines
05/19/1981US4268362 Removal of formaldehyde, heat treatment, distillation
05/19/1981EP0020752A4 Process for preparing alkanoic esters.
05/19/1981CA1101587A1 Sulfilimines as premature vulcanization inhibitors
05/19/1981CA1101447A1 Process for preparing bromine- and fluorine - containing halogenated hydrocarbons
05/19/1981CA1101446A1 Methanol
05/19/1981CA1101442A1 Catalyst recovery process
05/19/1981CA1101441A1 Manufacture of glycol esters
05/19/1981CA1101438A1 Substituted fluoroacylresorcins and drugs, cosmetics and pesticides containing them
05/19/1981CA1101437A1 Phthalic acid diesters or ester-amides substituted by alkenylamino groups
05/19/1981CA1101436A1 Process for the preparation of polyhydric phenols
05/19/1981CA1101434A1 No translation available
05/19/1981CA1101425A1 .alpha.-PHENOXY-THIOLPROPIONIC ACIDS
05/14/1981WO1981001284A1 Improved alumina-supported copper catalyst compositions for fluid-bed hydrocarbon oxyhydrochlorination
05/13/1981EP0028522A1 Process for producing phenolic compounds
05/13/1981EP0028516A2 Method for preparing crystalline zeolite, zeolites prepared thereby, catalysts containing them and use of such catalysts
05/13/1981EP0028474A1 Process for producing vinyl acetate, acetic acid and ethanol
05/13/1981EP0028407A1 Preparation of 5-(halophenyl)salicylic acid compounds
05/13/1981EP0028378A1 Improved hydroformylation process using stable rhodium catalyst
05/13/1981EP0028377A1 Process for the preparation of a mixture essentially consisting of iso-butene oligomers and methyl-t-butyl ether, its use and fuels containing such a mixture
05/13/1981EP0028375A1 Process for the preparation of phenylacetic acid and its simple derivatives
05/13/1981EP0028362A2 Process for the separation of water from mixtures with vinyl acetate and acetic acid
05/13/1981EP0028338A2 Process for preparing aromatic di- and/or polyisocyanates
05/13/1981EP0028337A2 Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl-polymethylene polyisocyanates
05/13/1981EP0028331A1 Process for preparing urethanes
05/13/1981EP0028327A1 Process for the preparation of carboxylic acid halides
05/13/1981EP0028308A1 Process for the preparation of cobalt (III) acetyl acetonates
05/13/1981EP0028305A1 Diaryl compounds and pharmaceutical formulations containing them
05/13/1981EP0028295A1 Process for the conversion of olefines in a carboxylic-acid medium with ozone
05/12/1981US4267393 In the presence of a sulfonated ion exchange resin catalyst
05/12/1981US4267388 Process for producing ethynylbenzenes
05/12/1981US4267387 Process for preparation of aromatic hydroperoxides
05/12/1981US4267385 Process for the catalytic preparation of acrolein and methacrolein
05/12/1981US4267384 Ruthenium catalyzed process for acetaldehyde and ethanol
05/12/1981US4267382 Antitumor agents; skin disorders
05/12/1981US4267377 5-/3-butenyl/-8a or 9a-alkyl-5/6h/indanone or 6/1h, 7h/naphthaleneone being 1-substituted by oxo, hydrogen, hydroxy, or ether; unsaturation
05/12/1981US4267376 Steroid synthesis
05/12/1981US4267358 Ortho-alkyl-substituted 3-/p-hydroxyphenyl/propyl3-/p-hydroxyphenyl/propionate; stabilizers for addition polymers; heat resistance
05/12/1981US4267355 Stereospecific amination of an alpha-sulfo, -oxo, or 1-hydroxy-2,2,2-trihaloethoxy-propionic acid by a halo or dihaloaniline
05/12/1981US4267353 Reacting an aromatic nitro compound, an alcohol, and carbon monoxide using as catalysts sulfur, selenium or their compounds, amines, and/or alkali salts and an oxidizer
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