Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
08/1981
08/18/1981US4284628 2-Hydroxy benzamide derivatives and use thereof as a fungicide
08/18/1981US4284586 Process for the preparation of acetic anhydride
08/18/1981US4284585 Process for the preparation of acetic anhydride
08/18/1981US4284584 Process for the preparation of acyl cyanides
08/18/1981US4284582 Process for the preparation of cyclopropane derivatives, intermediates in the synthesis of pyrethroid insecticides
08/18/1981US4284576 And naphthalene and phthalic anhydride, reacting with oxygen
08/18/1981US4284565 Total synthesis of 1RS,4SR,5RS-4-(4,8-dimethyl)-5-hydroxy-7-nonen-1-yl)-4-methyl-3,8-dioxabicyclo[3.2.1]octane-1-acetic acid and related compounds
08/18/1981US4284564 Process for the in-solvent, in-situ generation of haloalkyl alkyl ethers useful to produce N-substituted-2-haloacetanilides
08/18/1981US4284558 Fluorine, pentafluorosulfur hypofluorite, fluoroalkyl hypofluorites; free radical suppressor
08/18/1981CA1107305A1 Methanation of carbon monoxide without prior separation of inert gases
08/18/1981CA1107304A1 Process for producing olefins from carbon monoxide and hydrogen
08/18/1981CA1107303A1 Butadiene chlorination process
08/18/1981CA1107302A1 Process for the hydrocarbonylation of methanol to ethanol in the presence of an inert liquid
08/18/1981CA1107301A1 Hydrolysis of alkylene carbonates to alkylene glycols
08/18/1981CA1107300A1 Process for the preparation of 1,1-dihalo-4-methyl-1, 3-pentadienes
08/18/1981CA1107299A1 Process for the purification of benzaldehyde
08/18/1981CA1107298A1 Methanol oxidation/dehydrogenation over silver-gold alloy
08/18/1981CA1107297A1 Recovery of acrylic acid from quench bottoms by addition of aluminum chloride
08/18/1981CA1107296A1 Acrylic acid recovery and purification
08/18/1981CA1107294A1 Fatty halo alkanoate quaternaries of dialkylaminopropylamides
08/18/1981CA1107292A1 Substituted carbamates
08/18/1981CA1107282A1 Process for the production of morpholine and piperidine derivatives and the products thereof
08/12/1981EP0033629A1 2-Nitro-5-(substituted-phenoxy) benzoate esters of hydroxyalkanoic acids and derivatives thereof as herbicides
08/12/1981EP0033611A2 N-Benzylphenylacetamide derivatives, their production and use
08/12/1981EP0033589A1 Method of preparing a catalyst for synthesizing unsaturated esters
08/12/1981EP0033585A1 A process for the preparation of a benzhydrol derivative and a novel intermediate for use therein
08/12/1981EP0033554A2 A process for the hydroformylation of conjugated dienes
08/12/1981EP0033553A2 Nickel complexes in diol solvents and their use as part of a catalyst in the oligomerization of ethylene
08/12/1981EP0033512A2 Separation of aromatic hydrocarbons from petroleum fractions
08/12/1981EP0033504A2 Pentapeptides of the encephaline type, process for their preparation and medicaments containing these
08/12/1981EP0033458A1 Process for preparing modified polyisocyanates and their use as constituents in preparing polyurethane plastics
08/12/1981EP0033422A1 The selective hydrocarboxylation of propylene to isobutyric acid
08/12/1981EP0033392A1 Process for the acylation of amino acids
08/12/1981EP0033359A1 A method for the alkoxylation of alkanols
08/11/1981US4283587 From a hydrocarbon feed using ion exchanged zeolite which has been treated with an alkyl amine hydrochloride
08/11/1981US4283586 Process for dimerizing or codimerizing lower monoolefin
08/11/1981US4283585 Comprising a refractory metal oxide carrier, a platinum group metal, a group 4 or 6 metal, and a metal halide
08/11/1981US4283579 Process for producing diol
08/11/1981US4283574 Process for the synthesis of 2,6-xylenol and 2,3,6-trimethylphenol
08/11/1981US4283571 M-cresol
08/11/1981US4283570 Pretreatment of m-diisopropylbenzene hydroperoxide and removal of h2o, acid cleavage
08/11/1981US4283569 Hydroxyalkyl and oxoalkyl substituted phenols as analgesics and sedatives
08/11/1981US4283568 Process for the recovery of phenol from a reaction mixture resulting from the acid cleavage of cumene hydroperoxide
08/11/1981US4283567 Method for recovering resorcinol
08/11/1981US4283565 Reacting a benzyl halide with a formate, contacting with an alcohol to transesterify
08/11/1981US4283564 Reacting propionaldehyde with formaldehyde in the presence of a catalyst composed of a secondary amine and an organic carboxylic acid
08/11/1981US4283563 Process for preparation of aldehydes
08/11/1981US4283562 Hydroformylation process using stable rhodium catalyst
08/11/1981US4283561 Mixture of aldehydes resulting from hydroformylation of α-terpinene
08/11/1981US4283559 Process for the manufacture of cyclohexene derivatives
08/11/1981US4283554 Process for production of β-chloroalanine
08/11/1981US4283548 Used as chain extenders for polyurethanes and polyureas
08/11/1981US4283532 Process for preparation of o-(2,6-dichloroanilino)phenylacetic acid and novel intermediate for use in preparation of the same
08/11/1981US4283433 Flavoring with α,β-unsaturated aldehydes
08/11/1981US4283422 3-Amino-4-homoisotwistane derivatives
08/11/1981US4283420 Pharmaceutically active cyclohexyl compounds and their preparation
08/11/1981US4283414 Pesticidal fluorinated esters of the pyrethrin or pyrethroid type
08/11/1981US4283399 Fungicides
08/11/1981US4283381 Opaquing agents
08/11/1981US4283352 Method for the production of α-tetralone
08/11/1981US4283345 Thermal pretreatment in the presence of a hydrogenation catalyst followed by nitrogenation
08/11/1981US4283305 Catalyst composition and its use for oligomerizing olefins
08/11/1981US4283304 Process for removing triorganophosphine from a liquid composition
08/11/1981US4283254 Methylamines purification by distillation and purge
08/11/1981CA1106858A1 Process for the recovery of substituted phosphines and active rhodium
08/11/1981CA1106857A1 Process for the preparation of 3-(4-methyl-3- cyclohexen-1-yl) butyraldehyde
08/11/1981CA1106856A1 Oxydehydrogenation of certain c.sub.4 saturated oxyhydrocarbon compounds
08/11/1981CA1106855A1 Process for preparing diesters of dicarboxylic acids
08/11/1981CA1106854A1 Process for the preparation of para-nitroso- diphenylhydroxylamines
08/06/1981WO1981002157A1 Novel process for synthesizing 2-haloacetylphenols
08/05/1981EP0033259A2 3-(buta-1',3'-dienyl) substituted derivatives of cyclopropane-1-carboxylic acid, compositions against the parasites of plants and warm-blooded animals, and perfuming compositions containing them; their preparation
08/05/1981EP0033233A1 A process for preparing alpha-lithio derivatives and a process for preparing carboxylic acids using them
08/05/1981EP0033181A1 Mixtures of branched-chain amines and derivatives thereof
08/05/1981EP0033160A2 Substituted 3-(1,2-dibromo-alkyl)-2,2-dimethyl-cyclopropan-1-carboxylic acid esters, their preparation and intermediates, and their application as insecticides
08/05/1981EP0033156A2 1-Phenyl-2-cyclohexene-1-alkylamine derivatives, process for their preparation and medicines containing them
08/05/1981EP0033099A1 Process for the preparation of 2-amino-4-nitrophenol
08/05/1981EP0033084A1 Process and apparatus for the secure feeding of molecular oxygen or gases containing it in the oxidation of hydrocarbons
08/05/1981EP0033075A1 Substituted 1.8-dihydroxy-9-(10H)-anthracenones, process for their preparation and medicines containing these compounds
08/05/1981EP0033068A1 Process for reducing the concentration of chloride in a system containing ethylenically unsaturated chlorinated hydrocarbon, water and HCl
08/05/1981EP0032976A1 A method for separating 2,6-xylenol from admixtures with meta-para-cresols, a method for methylating meta-para-cresols, and a catalyst
08/05/1981EP0032974A1 A method for the synthesis of 2,3,6-trimethylphenol
08/05/1981EP0032916A1 Di-cyano-guanidines
08/04/1981US4282389 Process for the simultaneous manufacture of pure MTBE and a substantially isobutene-free mixture of C4 -hydrocarbons
08/04/1981US4282388 Cyclic 1,2-diol benzyl ether compounds
08/04/1981US4282385 Hyperacidic solid metal lactates, process for producing same
08/04/1981US4282381 Ammonia vaporization, crystallization
08/04/1981US4282374 Vapor phase, copper catalyst, phosphorus compound
08/04/1981US4282373 Di-unsaturated carboxylic acids and esters, penicililn and cephalosporin intermediates
08/04/1981US4282370 Preparation of methylene-bis-phenylcarbamic acid esters and of polymethylene-polyphenylcarbamic acid esters
08/04/1981US4282369 Herbicides
08/04/1981US4282251 Trans-n-cinnamyl-n-methyl-(1-naphthylmethyl)amine
08/04/1981US4282218 Amides
08/04/1981US4282170 9-Carbamoyl-9-(2-cyanoethyl)fluorenes
08/04/1981US4282163 With a catalysts, reducing metal, and boric acid compound followed by distillation
08/04/1981US4282151 Reactive asymmetrical dicarboxylic acid esters and reagents for the investigation of cardiac glycosides
08/04/1981CA1106412A1 Metal phenates
08/04/1981CA1106411A1 Process for preparing bis (n,n-dialkylamino) alkyl ethers
08/04/1981CA1106410A1 Process for the preparation of 1-(4-isopropylmercapto- phenyl)-2-n. octylaminopropanol
08/04/1981CA1106409A1 Base modified catalysis in the styrenation of diphenylamine
08/04/1981CA1106408A1 Process for purifying aldehyde-containing ketones
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