Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/1981
10/20/1981CA1111069A1 Alpha-isocyano-carboxylic acid amide compounds and plant growth regulant compositions
10/20/1981CA1111066A1 Production of pure acetyl chloride
10/20/1981CA1111065A1 Production of acetic anhydride
10/20/1981CA1111064A1 Manufacture of glycol acetate
10/20/1981CA1111063A1 Process for the manufacture of carbamic acid esters of high-boiling alcohols
10/20/1981CA1111062A1 Diphenyl ether derivatives, process for preparing the same and herbicidal compositions containing the same
10/20/1981CA1111061A1 Process for the production of urethanes
10/20/1981CA1111058A1 Process for continuously working up solutions of the type accumulating in the phosgenation of monoamines
10/20/1981CA1111055A1 Cyclohexene derivatives and their preparation
10/20/1981CA1111054A1 Derivatives of 8-dehydro-vitamin a and their preparation
10/20/1981CA1111041A1 Primary diarylalkyl amines having antidepressive activity
10/20/1981CA1111032A1 Process for the separation of dinitroanthraquinone mixtures
10/20/1981CA1110994A1 Process for producing purified methanol
10/14/1981EP0037716A1 Process for producing catalyst
10/14/1981EP0037698A1 Benzaldehyde derivatives for use as a chemical intermediate
10/14/1981EP0037695A1 Methylamines purification process
10/14/1981EP0037671A1 Shape selective acid catalyzed reactions of olefins over crystalline zeolites
10/14/1981EP0037665A1 Improved acetylene recovery process and apparatus
10/14/1981EP0037656A1 A process for the in-solvent, in-situ generation of N-substituted-2-haloacetanilides
10/14/1981EP0037630A1 Shape selective reactions with zeolite catalyst modified with group IVB metal
10/14/1981EP0037628A1 Process for the preparation of a diphenyl methane
10/14/1981EP0037586A1 Process for the selective hydroformylation of methanol to acetaldehyde
10/14/1981EP0037584A1 2,4-Dialkyl-2,6-heptadienals and -hetadienols, process for their preparation and their use as perfume compounds and flavourings
10/14/1981EP0037580A1 Process for the selective homologation of methanol to ethanol
10/14/1981EP0037511A1 Process for the isolation of 1-naphthylamine-4,6 and 1-naphthylamine-4,7-disulfonic acids
10/14/1981EP0037510A1 Process for the preparation of 1-naphthylamine-4,6-disulfonic acid and 1-naphthylamine-2,4,6-trisulfonic acid
10/14/1981EP0037509A1 Process for the preparation of 1-naphthylamine-4,7-disulfonic acid
10/14/1981EP0037504A2 Process for preparing dimethyl-polysulfides
10/14/1981EP0037481A2 Process for the preparation of 1-monochloroethyl-carbamic chloride
10/14/1981EP0037474A1 Process for the preparation of 1-acetoxy-3-chloro-pentanone-4
10/14/1981EP0037465A2 Amino azo compounds
10/14/1981EP0037422A1 Fluoro-substituted prostaglandins and prostacyclins
10/14/1981EP0037410A1 The use of perfluorosulfonic acid resins as catalysts for preparing esters
10/13/1981US4294987 Process for preparing methylene dianilines
10/13/1981US4294985 Production of thiocarbohydrazide on a commercial scale
10/13/1981US4294976 Process for producing biphenyl compounds
10/13/1981US4294966 Salt formation
10/13/1981US4294919 Direct positive silver halide light-sensitive material
10/13/1981US4294854 Pharmaceutical compositions
10/13/1981US4294850 Fungicidal acylanilides
10/13/1981US4294849 Prostaglandin analogues
10/13/1981US4294835 2-Hydroxy benzamide derivatives and use thereof as a fungicide
10/13/1981US4294825 Separation of the glycoprotein satietin
10/13/1981US4294777 Color-stabilized aromatic carboxylic acid chlorides and a process for their preparation
10/13/1981US4294776 Washing with sulfuric acid
10/13/1981US4294774 Preparation of organic isocyanates
10/13/1981US4294773 Preparation of 1-haloalkyl isocyanates and 1-alkenyl isocyanates
10/13/1981US4294772 Oxime derivatives for protecting plant crops
10/13/1981US4294771 Salt formation
10/13/1981US4294770 Salt formation, hydrolysis
10/13/1981US4294766 Preparation of pure potassium ribonate and ribonolactone
10/13/1981US4294763 Intermediates for the production of picropodophyllin and related compounds and processes for the preparation and use thereof
10/13/1981US4294762 Preparation of α-cyano-benzyl esters
10/13/1981US4294725 Rischer-tropsch catalyst, cobalt and cadmium
10/13/1981US4294719 Also uretone-imine groups; highly selective, removable catalyst matrix
10/13/1981US4294676 Deoxygenated, scrubbed monomers -flocculants
10/13/1981US4294665 Separation of acetonitrile from crude olefinically unsaturated nitrile
10/13/1981CA1110667A1 Process for the preparation of substituted norbornene derivatives
10/13/1981CA1110666A1 Process for producing high purity benzene
10/13/1981CA1110665A1 Polymerizable acetylenic oligomers
10/13/1981CA1110661A1 3,5-bis(acylamino)benzamides
10/13/1981CA1110660A1 Process for the manufacture of n,n,n',n'- tetraacetylethylenediamine
10/13/1981CA1110659A1 Integrated ammonia-urea process
10/13/1981CA1110658A1 Combating pests with n-(4-substituted-phenyl)-n'-(2- substituted-benzoyl)-thioureas
10/13/1981CA1110656A1 N-[[arylformimidoyl]methylamino]thio]-n- substituted sulfonamides]
10/13/1981CA1110655A1 Process for the manufacture of glycolic acid
10/13/1981CA1110654A1 Camphor-treated benzylidenes; process for their preparation and cosmetic substances holding same
10/13/1981CA1110653A1 Optical resolution of amino acids into optical antipodes
10/13/1981CA1110652A1 Process for the preparation of polyether-ester polyols
10/13/1981CA1110651A1 Phenoxy-phenoxy-alkane-carboxylic acid derivatives
10/13/1981CA1110649A1 Process for the preparation of four-membered cyclic ketones
10/13/1981CA1110648A1 Insecticidal and nematicidal carbamates
10/13/1981CA1110647A1 N-substituted bis-carbamoyl sulfide compounds
10/13/1981CA1110643A1 Binuclear rhodium complex as a hydroformylation and a hydrogenation catalyst
10/13/1981CA1110639A1 Process for producing optically active bases
10/13/1981CA1110638A1 Process for producing a hydrofuran and a 1,4-diol
10/13/1981CA1110637A1 Reduction of 2,5-diketogluconic acid
10/13/1981CA1110630A1 1-halogeno-1-propyn-3-ols, a process for their preparation and their use as fungicides
10/13/1981CA1110618A1 Process for 11a dehalogenation of 11a halo tetracyclines
10/13/1981CA1110573A1 Separation of a mixture of c.sub.4-hydrocarbons by extractive distillation
10/07/1981EP0037373A1 Process for the elimination of alkyl and alkenyl groups
10/07/1981EP0037354A1 Process for the production of acetic acid by carbonylation
10/07/1981EP0037353A1 Process for the etherification of phenols
10/07/1981EP0037327A1 Derivates of 3-formyl-4-methylpentanoic acid, their preparation and their use in the preparation of substituted 3-formyl-but-3-en-1-oic acid
10/07/1981EP0037314A1 N-substituted carbamoyloxy alkanoyloxyhydrocarbyl acrylate esters
10/07/1981EP0037276A1 Process for producing methanol or a carboxylate derivative thereof, and the product of such process
10/07/1981EP0037224A1 Rare earth metal carboxylates, their use as antimicrobial agents, and medicinal, cosmetic and cleansing compositions containing them
10/07/1981EP0037220A1 Process for producing an olefin hydration catalyst, catalyst so produced and method of hydrating olefins
10/07/1981EP0037178A1 Electrochemical maintenance of activity of copper-containing catalyst in copper-catalysed nitrile hydrolysis process, and production of amides by such hydrolysis process
10/07/1981EP0037172A2 Heterogeneous esterification catalyst, process for its production and its use in the production of residue esters
10/07/1981EP0037168A1 Shape selective reactions with group IB modified zeolite catalysts
10/07/1981EP0037167A1 Manufacture of hydroperoxides
10/07/1981EP0037137A2 Process for the reactivation of a platinum-group metal catalyst for the hydrogenation of sugars
10/07/1981EP0037123A1 Method for producing aromatic nitriles
10/07/1981EP0037116A1 Bicyclic and manifold unsaturated compounds, their preparation and their use as starting materials in the preparation of bicyclic single unsaturated compounds
10/07/1981EP0037106A2 N-(2-(cyclopropyl)ethoxy)phenylanilide derivatives, their production, herbicidal compositions and their use, N-(2-(cyclopropyl)ethoxy)-aniline compounds and N-(2-(cyclopropyl)ethoxy)nitrobenzene compounds
10/07/1981EP0037062A2 Substituted 3-aryl-2-cycloalkene-1-ones, process for their preparation and their parmaceutical use
10/07/1981EP0037052A1 Norbornenyl phenolic compounds
10/07/1981EP0037030A1 Aromatic diamines containing sulphon amide groups
10/07/1981EP0037019A1 N-allenyl-halogen acetanilides, process for their preparation and their use as growth regulants and herbicides
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