Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
03/1983
03/09/1983EP0073482A2 Boron-containing aluminium silicates having a zeolitic structure, process for producing the same and their use
03/09/1983EP0073480A1 A method for the preparation of partially new 1,2-Dihaloalkyl and cycloalkyl sulfonyl isocyanates
03/09/1983EP0073465A2 Cholecalciferol derivatives
03/09/1983EP0073447A1 Process for producing 1-(p-prenylphenyl)ethanol
03/09/1983EP0073442A2 N-alkoxycarbonyl and N-alkoxythiocarbonyl amidines and preparation thereof
03/09/1983EP0073404A1 Process for making arylisocyanide dichlorides
03/09/1983EP0073398A1 Hydroformylation process using a rhodium complex catalyst with triarylphosphine and biphosphine monoxide ligands
03/09/1983EP0073397A1 Enol acylate analogs of E1 and E2 prostaglandins
03/09/1983EP0073379A1 Complex salts with increased electrical conductivity
03/09/1983EP0073342A2 Process for the purification and recovery of the impure catalyst solution obtained in the carbonylation of methyl acetate and/or dimethyl ether
03/09/1983EP0073341A2 Process for the purification and recovery of the impure catalyst solution obtained in the carbonylation of methyl acetate and/or dimethyl ether
03/09/1983EP0073326A1 Process for preparing nitriles from formamides
03/09/1983EP0073301A1 Process for the preparation of alpha, beta and beta, gamma unsaturated ketones
03/08/1983US4376226 Crystalline aluminosilicate csz-1
03/08/1983US4376219 In the presence of a heteropoly acid or salt adduct with an alcohol
03/08/1983US4376216 Process for the purification of photographic developer substances
03/08/1983US4376215 Process for the production of 4-aminobutyramide hydrochloride
03/08/1983US4376214 Process for the preparation of naphthalene-1,4-dicarboxylic acid
03/08/1983US4376213 Method for optical resolution of 2-(4-chlorophenyl)-3-methylbutanoic acid
03/08/1983US4376104 Method for preparing crystalline aluminosilicates
03/08/1983US4376079 Process for the continuous production of water insoluble metal soaps
03/08/1983CA1142554A1 Process for obtaining isobutene from c.sub.4-hydrocarbon mixtures containing isobutene
03/08/1983CA1142552A1 Selective alkylation of xylenes with ethylene
03/08/1983CA1142549A1 Process for the manufacture of 4,5-dichloro -2-(4-chloro-phenoxy) phenol
03/08/1983CA1142548A1 Process for the separation of the two optical isomers of moprolol and pharmaceutical compositions of the levorotatory antipode thereof
03/08/1983CA1142547A1 Process for the preparation of 4-(6'-methoxy-2'-naphthyl)butan-2-one
03/08/1983CA1142546A1 Production of acetamides with rhodium-manganese catalysts
03/08/1983CA1142545A1 Benzamide derivatives
03/08/1983CA1142542A1 Hydroxyacetic acid derivatives
03/08/1983CA1142541A1 Esters
03/08/1983CA1142536A1 N-methylpyrrolidone solvent in preparation of pyromellitates
03/08/1983CA1142535A1 Substituted carbanilic acid esters, processes for the manufacture of these compounds and herbicidal preparations containing them
03/08/1983CA1142534A1 Branched-chain monoalcohols and derivatives thereof, lubricant compositions for polymers and wax compositions in which these novel products are incorporated
03/08/1983CA1142532A1 Aldol derivatives and production thereof
03/08/1983CA1142522A1 4-aryloxy- and 4-arylthio-3-phenylpiperidine derivatives, a process for the preparation of such compounds and their use as medicaments
03/08/1983CA1142506A1 Hydrogenation catalyst
03/08/1983CA1142399A1 Suppression of spark discharges from negatively triboelectrically charged surfaces
03/08/1983CA1142327A1 Recovery of salts of anthraquinone disulfonic acid in the stretford process
03/03/1983WO1983000688A1 2-[2'-hydroxy-3'-(1,1-dimethylpropylamino)-propoxy]-beta-phenylpropiophenone, preparation and pharmaceutical compositions
03/03/1983WO1983000687A1 Selectively calcined dehydrogenation catalyst
03/02/1983EP0073141A2 Method for promoting the activity and/or extending the life of cation-exchangeable layered clay catalysts in proton-catalysed reactions
03/02/1983EP0073129A1 Hydrogenation process
03/02/1983EP0073105A1 Hydrogenation process
03/02/1983EP0073069A1 Method of polymerizing vinyl ethers
03/02/1983EP0073054A1 Process for the resolution of the racemate (1RS,2SR)-2-amino-1-phenyl-propan-1-ol
03/02/1983EP0073053A1 Process for the resolution of the racemate S-(carboxymethyl)-(RS)-cysteine (B)
03/02/1983EP0073052A1 Process for the resolution of the racemate S-(carboxymethyl)-(RS)-cysteine (A)
03/02/1983EP0073051A2 Aluminosilicates and silica gels with a small transition element amount, process for their preparation and their use
03/02/1983EP0073020A2 A flame retarded halogenated polyol
03/02/1983EP0073016A1 1-Aryloxy-3-alkylamino-2-propanols and processes for their preparation
03/02/1983EP0073011A1 1-Aryloxy-3-alkinyl-amino-2-propanols and a method for their preparation
03/02/1983EP0073000A2 Method of making arylhydrazine-N-sulphonic acids
03/02/1983EP0072995A1 Clear aluminum oxide solutions and glasses
03/02/1983EP0072988A1 Use of 1,3-Dialkylcyclohexanes as cosmetical oil component
03/02/1983EP0072970A1 Substituted anilinomethylene oximes, method for their preparation and their use as herbicides
03/02/1983EP0072942A2 Pharmaceutically active (3-aminopropoxy)-bibenzyl derivatives
03/02/1983EP0072912A1 Process for the preparation of glyoxal
03/02/1983EP0072884A2 Process for production of alpha-haloalkylamides
03/02/1983EP0072868A1 Cyclodextrin clathrate compounds of sulfur-containing compounds
03/01/1983US4375572 Process for the conversion of terpenes
03/01/1983US4375566 A mixed oxide alkylation catalyst containing oxides of chromium, manganese, iron, or magnesium; catalyst selectivity
03/01/1983US4375562 Dimerization of amino-thiophenols using sulfur or thiosulfate
03/01/1983US4375561 Process for the preparation of aromatic amines
03/01/1983US4375560 By catalytic dehydrogenation of 3,5-dimethylcylohexenone oxime
03/01/1983US4375557 Process for the preparation of dihalovinylcyclopropane carboxylic acid
03/01/1983US4375556 By reacting copper(i) cyanide with 1,4-dihalogenonaphthalene in an aprotic solvent
03/01/1983US4375554 Process for preparing amidinecarboxylic acids
03/01/1983US4375552 Nitric acid process for production of adipic acid from hydrocarbons
03/01/1983US4375551 Forming a half-ester salt from tetrabromophthalic anhydride and an allylic alcohol, adding an allylic halide
03/01/1983US4375550 Hydrogenation of halogen-substituted aromatic nitro compounds
03/01/1983US4375539 Solid blocked crosslinking agents based on 1,4-cyclohexane bis(methylisocyanate)
03/01/1983US4375495 Triphenylmethyl methacrylate, helices
03/01/1983US4375479 Antiinflammatory agents
03/01/1983US4375436 Continuous process for the production of chloroalkyl-sulfonyl isocyanates
03/01/1983US4375428 Perfumes
03/01/1983CA1142159A1 Crystalline silicates process for their preparation and catalytic conversions using them
03/01/1983CA1142110A1 Removal of phenols from phenol-containing streams
03/01/1983CA1142087A1 Process for preparing new pharmaceutical compositions containing aryl-trifluoroethanol
03/01/1983CA1142013A1 Color photographic light-sensitive material including a 2,5-di(tertiary alkyl)-substituted p-dimethoxybenzene derivative and a 3-anilino-5-pyrazolone type magenta coupler
02/1983
02/23/1983EP0072760A1 Fluorinated diamino-heptene and -heptyne derivatives
02/23/1983EP0072649A2 Novel substituted diphenyl ethers, herbicidal compositions containing them, a process for the preparation of the diphenyl ethers and the use thereof for combating weeds
02/23/1983EP0072612A2 Amorphous silica based catalyst and process for its production
02/23/1983EP0072579A1 Preparation of fluorinated acid fluorides
02/23/1983EP0072575A1 N,N'-diphenyl-p-phenylene diamines, method for their production and their use as stabilisers for organic materials
02/23/1983EP0072556A1 Acaricide compounds
02/23/1983EP0072528A2 (Thio)ureas, their preparation and their use as plant protecting agents
02/23/1983EP0072514A1 Process for the halogenation of organic compounds
02/23/1983EP0072484A1 Process for the treatment of crude liquid vinyl acetate
02/23/1983EP0072401A1 Method for the preparation of aliphatic nitriles
02/22/1983US4374923 Direct positive silver halide photographic light-sensitive material
02/22/1983US4374840 Treatment of angina, hypertension and arrhythmia
02/22/1983US4374758 Preparation of stable tellurium-containing solution from metallic tellurium and process for producing tellurium-antimony containing oxide catalyst using said solution
02/22/1983US4374752 Cobalt, halide, an trivalent and phosphorus compound in an inert diluent
02/22/1983US4374748 Liquid crystals
02/22/1983US4374705 Steam generated by evaporator blown into concentrating column
02/22/1983US4374662 Diphenyl sulfone compounds, and their production and use
02/22/1983CA1141872A1 Process for purifying urea-containing waste water and process for preparing melamine
02/22/1983CA1141780A1 Process for selectively hydrogenating a hydrocarbon fraction containing molecules with 2 or 3 carbons
02/22/1983CA1141779A1 Process for the preparation of hydrocarbons and hydrocarbons so prepared
02/22/1983CA1141774A1 Method of separating mixtures of fatty substances
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