Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
03/1992
03/31/1992CA1298317C Vapor phase bromination of aromatic compounds
03/31/1992CA1298315C Process for the preparation of fluorobenzaldehydes
03/31/1992CA1298314C Antistatic amides
03/31/1992CA1298312C Method for stopping and starting an acrylamide reactor
03/31/1992CA1298311C Preparation process of (meth)acrylamide
03/31/1992CA1298310C Vinyl monomers capable of forming side-chain liquid crystalline polymers and the resulting polymers
03/31/1992CA1298309C Benzocycloheptene derivatives
03/31/1992CA1298308C Process for the preparation of retinal
03/31/1992CA1298307C Enkephalinase inhibitors
03/31/1992CA1298305C Photosensitive calcium chelators
03/31/1992CA1298292C Aromatic compounds, their preparation process and their use in cosmetic
03/31/1992CA1298290C Solution ibuprofen complexes, compositions and processes for preparing the same
03/26/1992DE4129642A1 Novel catalyst for methacrylic acid or ester prepn. - obtd. by thermal activation of a vanadium phosphate precursor
03/25/1992EP0476708A1 (Trifluoromethyl)vinyl pyrethroid derivatives, their use as pesticides, process for their preparation, and intermediates of that process
03/25/1992EP0476400A1 Method of separating cyclohexene from mixtures with benzene and cyclohexane
03/25/1992EP0476370A2 Process for the separation of water from mixtures containing water and alcohols and/or carboxylic acids and/or carboxylic acid esters
03/25/1992EP0313604B1 Electro-optical liquid crystal display element
03/25/1992EP0277137B1 Method of making an attrition-resistant catalyst composition and use of the same
03/25/1992CN1015980B Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
03/25/1992CA2050825A1 Method of making optically active alcohols
03/24/1992US5099077 Chiral phosphorus compounds, a process for their manufacture and their application to the catalysis of enantioselective synthesis reactions
03/24/1992US5099062 Carbonylation catalyst and process
03/24/1992US5099061 Catalysts for olefin dimerization
03/24/1992US5099048 Rhodium-catalyzed olefin dimerization
03/24/1992US5098934 Method of relieving pain with mercaptoalkanamides
03/24/1992US5098895 Benzonaphthalene derivatives, a process for their preparation and their use in therapeutic and cosmetic compositions
03/24/1992CA1298035C Antitumor amino acid and peptide derivatives of 1,4- bis¬(aminoalkyl andhydroxyaminoalkyl)amino|-5, 8-dihydroxyanthraquinones
03/24/1992CA1297912C Process for purifying propanediol-1,3
03/24/1992CA1297911C Methanol production
03/24/1992CA1297909C 1-(aminophenyl)-2-aminoethanone derivatives, the method for their preparation and their use in therapy
03/24/1992CA1297908C Preparation of 3-(alkylthio)aldehydes
03/24/1992CA1297907C Process for the preparation of alpha-alkylacroleins
03/24/1992CA1297905C Process for the preparation of iminodiacetonitrile
03/24/1992CA1297904C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
03/24/1992CA1297903C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
03/24/1992CA1297901C Process for the production of aminocarnitines
03/24/1992CA1297900C Preparation of (z)-2-(2-arylethenyl)arylcarboxylic acids
03/24/1992CA1297899C Carboalkoxylation of butadiene to form dialkyl adipate
03/24/1992CA1297898C Continuous process for the alkylation of ch-acid compounds with alkyl carbonates in gas-liquid phase transfer catalysis conditions
03/24/1992CA1297894C Benzamide derivative, process for its production and plant growth regulant
03/24/1992CA1297893C Process for the preparation of purified bis(2-hydroxyethyl) ester of 2,6-naphthalenedicarboxylic acid
03/24/1992CA1297891C Catalytic vapor phase process for producing dihydrocarbyl carbonates
03/24/1992CA1297888C Process for preparing bis (ethoxythiocarbonyl)sulfide
03/24/1992CA1297882C Substituted hydroxylamine ester stabilizers
03/24/1992CA1297871C Fungicides
03/21/1992CA2051595A1 Alkoxylation of carboxylated compounds
03/19/1992WO1992004312A1 Process for making e/z mixtures of 2-(6-alkyl-bicyclo-[3.3.0]-octane-3-ylidene)-acetic acid derivatives with a preponderant proportion of the e-isomers
03/19/1992WO1992004118A1 Carbonylation of methanol using a novel transition metal catalyst precursor
03/19/1992WO1992004117A1 Highly alkaline transesterification catalyst, e.g., alkali metal alkoxide, protected by fatty acid esters
03/18/1992EP0475820A1 New catalysts, preparation process and use thereof
03/18/1992EP0475629A1 Process for the purification of 4-acetoxystyrene
03/18/1992EP0475628A1 Acrylate esters of 1,1,1-trishydroxyphenylethane
03/18/1992EP0475627A1 Optically active esters of 7-substituted 3,5-difunctionalized 6-heptenoic acids
03/18/1992EP0475386A2 Rhodium-catalyzed olefin dimerization
03/18/1992EP0474996A1 Process for preparing esters
03/18/1992EP0474843A1 Method for preparing 1,4-diacyloxy-2-butenes
03/18/1992EP0198901B1 Method for preparing 1alpha-hydroxyvitamin d compounds
03/18/1992CN1015892B Process for preparing a new derivative of an aminoketone
03/18/1992CN1015883B Process for the hydrolysis of urea in dilute aqueous urea solution
03/17/1992US5097089 Synthesis of glycerol from formaldehyde
03/17/1992US5097068 Trisubstituted benzoic acid intermediates
03/17/1992US5097060 Adjusting the initial concentration and cooling through conductive heat transfer without forced flow
03/17/1992US5097058 Reacting isobutyryl-3,4-dimethoxybenzene with alpha-haloester, hydrolyzing, decarboxylating, oximinating, dehydrating
03/17/1992US5097047 Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives
03/17/1992US5096938 Radiation-curable acrylates
03/17/1992US5096928 Insecticidal substituted benzoyl(thio) ureas
03/17/1992US5096694 Compounds which are useful, in particular, for radiotherapy or imaging of cancer
03/17/1992CA1297632C Organic compounds and their pharmaceutical use
03/17/1992CA1297631C Ureido renin inhibitors
03/17/1992CA1297501C Process for two-stage catalytic conversion of an olefins-containing feed
03/17/1992CA1297500C Efficient cis-to-trans isomerization of 1,4- dihalobutene-2
03/17/1992CA1297499C Continuous hydrocyanation process using zinc halide promoter
03/17/1992CA1297490C Preparation of a novel diisocyanate from norbornadiene
03/12/1992WO1992004360A1 Polyol polyester synthesis
03/12/1992DE4028864A1 Verfahren zur herstellung von e/z-mischungen von 2-(6-alkyl-bicyclo-(3.3.0)-octan-3-yliden) -essigsaeure-derivaten mit ueberwiegendem anteil des e-isomeren Process for the preparation of e / z of mixtures of 2- (6-alkyl-bicyclo (3.3.0) octane-3-ylidene) with a predominant proportion of e-isomeric acetic acid derivatives
03/11/1992EP0474259A2 Process for producing mercaptophenols by the hydrogenolysis of polythiobisphenols
03/11/1992EP0473688A1 Preparation of ultra high purity methyl acetate.
03/11/1992EP0169214B1 Anti-oestrogen drug for percutaneous administration
03/11/1992CN1059296A Catalysted hydrogenation of carboxylic acids and their anhydrides to alcoholes and/or esters
03/11/1992CN1015778B Acid-resistant catalyst for directly hydrogenating fatty acid into fatty alcohol
03/10/1992US5095165 Hydrocarbon lubricants containing polar groups
03/10/1992US5095164 Acidity
03/10/1992US5095147 2,2-difluorocyclopropyl derivatives
03/10/1992US5095136 Decarboxylation, hydrolysis, reduction
03/10/1992US5095135 Oxidation, catalyst reuse
03/10/1992US5094995 Supported perfluorinated ion-exchange polymers
03/10/1992US5094724 Separation of methylene chloride from the lower formates by extractive distillation
03/10/1992US5094685 Substituted benzoyl derivatives and selective herbicides
03/10/1992US5094684 Derivative of 1,5-diphenyl-1h-1,2-triazole-3-carboxamide, herbicidal compositions containing the derivative and process for producing the derivative
03/10/1992CA1297227C Process for the production of finely divided polyisocyanates containing urea groups
03/10/1992CA1297133C Process for the continuous production of lower aliphatic alcohols
03/10/1992CA1297131C Process for the isolation of p-hydroxybenzaldehyde
03/10/1992CA1297130C Continuous hydroformylation of olefinically unsaturated compounds
03/10/1992CA1297128C Bis(cyclopropanecarboxamido) alkadienedioic acids as renal dipeptidase inhibitors
03/10/1992CA1297127C2 Polycyclical aromatic derivatives and cosmetic use
03/10/1992CA1297125C Naphthylaromatic compounds; process for preparing the same and their use in cosmetics
03/10/1992CA1297123C Process for cosynthesis of ethylene glycol and dimethyl carbonate
03/10/1992CA1297122C Hypofluorites and bis-hypofluorites, and process for preparing same
03/10/1992CA1297121C Process for the preparation of perhalohydrocarbon hypochlorites
03/10/1992CA1297120C Bromofluoroethylhypofluorite and process for its preparation