Patents for C07B 61 - Other general methods (69,072)
03/1991
03/13/1991EP0407426A4 A synthetic crystalline aluminophosphate composition and a method of its synthesis
03/13/1991EP0334951A4 High yield method for preparation of dialkyl esters of polyhaloaromatic acids
03/13/1991CN1049801A Catalytic composition and its use in oligomerising monoolefins
03/13/1991CN1011968B Process for preparing iodinated aromatic compounds
03/13/1991CN1011966B Catalytic system for production of aromatics form aliphatic hydrocarbons
03/12/1991US4999454 Catalysis with iron hydrate compound; reacting chloral with unsaturated hdyrocarbon
03/12/1991US4999453 Converting an Alkylenedicarboxylic Ester Over an Acidic Heterogeneous Catalyst
03/12/1991US4999452 Minimization of refining steps, removal of formaldehyde
03/12/1991US4999450 Process for preparing alpha-(3-benzylphenyl) propionic acid derivative
03/12/1991US4999446 Catalysis with copper compound
03/12/1991US4999443 Transition metal complexes
03/12/1991US4999438 Process for the reduction of the polymer portion in the dimerization of ketene
03/12/1991US4999433 Process for the preparation of benzotriazole derivatives
03/12/1991CA1281336C Method of preparing acetal or ketal
03/09/1991CA2024834A1 Fixed bed petroleum cuts softening process
03/09/1991CA2024803A1 Process for the preparation of alkyl halogenosilanes
03/08/1991CA2023744A1 Process for the production of crotonobetaine hydrochloride
03/07/1991WO1991002742A1 Process for preparing alkyl glycosides
03/07/1991WO1991002713A1 Method of producing 3,4,3',4'-substituted biphenyl compounds
03/07/1991DE3929063A1 Verfahren zur herstellung von alkalisalzen von ethercarbonsaeuren A process for preparing alkali metal salts of ether carboxylic acids
03/06/1991EP0415814A1 Liquid phase fluorination catalysts
03/06/1991EP0415745A2 Process for producing alpha-beta-unsaturated carbonyl compound
03/06/1991EP0415567A2 Composition and method for stabilising organic compounds
03/06/1991EP0415310A2 Process for the production of tertiary alcohols
03/06/1991EP0415192A1 Process for the preparation of alkyl glycosides
03/06/1991EP0415158A2 Process for the preparation of chlorine substituted aromatic amines
03/06/1991EP0311619B1 Chelate ligands for low pressure hydroformylation catalyst and process employing same
03/06/1991EP0219553B1 Process for preparing 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethers
03/06/1991CN1049667A Process for preparing alkylglycoside
03/06/1991CN1049661A Three-liquid-phase expoxidation of perfluoroolefins
03/06/1991CN1049652A Hydroformylation process
03/06/1991CA2024546A1 Process for the preparation of optically active aryl-2 propionic acids
03/05/1991US4997978 Preparation of alkyl carboxylates by hydrocarbonylation
03/05/1991US4997968 Method of preparing monothiophosphoric acid by sulfurizing a phosphite in the presence of an amide
03/05/1991US4997964 Catalysts
03/05/1991US4997958 Process for producing ascorbic acid 6-esters
03/05/1991US4997955 Preparation of 1,1-disubstituted ethylene compounds
03/05/1991US4997802 Catalyst for preparation of hydrocarbons
03/05/1991CA1281039C Process for the preparation of decabromodiphenyl ether
03/05/1991CA1281037C Process for producing n,o-diacetyl-6-amino-2-naphthol
03/05/1991CA1281032C Process for the preparation of benzylidene compounds
03/02/1991WO1991003454A1 Process for the production of alkali metal salts of ethercarboxylic acids
03/02/1991CA2066452A1 Process for the production of alkali metal salts of ethercarboxylic acids
03/01/1991WO1991003472A2 Process for the preparation of halogenated 2,2-bis(trifluoromethyl)-1,3-dioxolanes
03/01/1991CA2060193A1 Process for the preparation of halogenated 2,2-bis(trifluoromethyl)-1,3 dioxolanes
03/01/1991CA2021840A1 Process for the preparation of tertiary alcohols
02/1991
02/27/1991WO1991002712A1 Method for preparing ether carboxylic acids from carbohydrates and their derivatives and use thereof
02/27/1991EP0414637A1 Process for the production of aromatic amines
02/27/1991EP0414574A2 Method of producing tertiary amino alcohol
02/27/1991EP0414569A2 Three-liquid-phase epoxidation of perfluoroolefins
02/27/1991EP0414275A2 Process for the preparation of cyclic aminoacid derivitives as well as the intermediate products
02/27/1991EP0414274A2 Process for the preparation of 1 aminomethyl-1.cyclohexanacetic acid
02/27/1991EP0414262A2 Process for the preparation of cyclic amino anticonvulsant compounds
02/27/1991EP0414207A2 Method for preparing alpha-(-4-isobutylphenyl) propionic acid or its precursor
02/27/1991EP0414077A1 Process for the preparation of N,N-dialkylanilines
02/27/1991EP0414065A2 Process for the preparation of aldehydes
02/27/1991EP0414062A2 Process for preparing aromatic dicarboxylic acids and novel aromatic dicarboxylic acids
02/27/1991EP0413918A2 Method for the production of alkoxyalkylidenemalonic acid esters
02/27/1991EP0413717A1 Alkylation of benzene in a moving bed.
02/27/1991CN1049493A Hydrogenation of alpha-hydroxy ketones
02/27/1991CN1049492A Process for separating two isomerides and application for purifying 1-phenyl-2-bromo ethane
02/27/1991CN1011777B Process for converting aldehyde into corresponding diene
02/27/1991CA2065312A1 Method for preparing ether carboxylic acids from carbohydrates and their derivatives and use thereof
02/26/1991US4996382 Oxidative coupling of methane with oxygen containing gas using magnesium oxide/alkali metal oxide catalyst
02/26/1991US4996377 Preparation of aliphatically substituted fluorobenzenes
02/26/1991US4996376 Reacting nitrotoluene with nitric acid in the presence of an inorganic and acidic solid
02/26/1991US4996373 Process for producing dihydroxydiarylalkanes
02/26/1991US4996368 Process for the purification and stabilization of perfluoropolyethers
02/26/1991US4996364 Use of alkaline earth salts of polycarboxylic acid monoesters as alkoxylation catalysts
02/26/1991US4996363 Contacting with Group 2A metal silicate catalyst; aluminum-free
02/26/1991US4996361 Process for the preparation of optically active secondary arylamines
02/26/1991US4996357 Process for preparing acetic acid
02/26/1991US4996323 Reacting trichloroacetyl chloride and acrylonitirle, cyclization and aromatization
02/26/1991US4996316 Process for the preparation of tertiary N, N-dimethylamines
02/26/1991US4996235 3,4-diphenylbutanamines
02/26/1991CA2023939A1 Three-liquid-phase epoxidation of perfluoroolefins
02/26/1991CA2023874A1 Process for cyclic amino acid anticonvulsant compounds
02/26/1991CA1280848C2 Process for preparing amides from nitriles and amines
02/26/1991CA1280762C Vinylcyclopropanecarboxylic acid esters
02/26/1991CA1280747C Diaminopyrimido¬4,5-d|pyrimidine glycoside and glycotide and process
02/21/1991WO1991001967A1 Aqueous reduction process for halo-nitro-phenols
02/21/1991WO1991001961A1 Process
02/21/1991WO1991001960A1 Process
02/21/1991WO1991001959A1 Selectively cycloalkylating naphtalene on zeolites
02/20/1991EP0413661A2 Process for preparing tris (2,4-di-tert-butyl-phenyl) phosphite
02/20/1991EP0413562A1 S-alkylthiopropionic acids and derivatives
02/20/1991EP0413558A2 Method for production of 1,3-dioxolanes
02/20/1991EP0413520A2 A silane compound and a method of manufacturing the same
02/20/1991EP0413264A1 Process for the preparation of chlorocarboxylic acid chlorides
02/20/1991EP0413259A2 Process for reducing primary and secondary amine in a tertiary amine
02/20/1991EP0413217A2 Process for the preparation of dialkyl carbonates
02/20/1991EP0413215A2 Process for the preparation of dialkyl carbonates
02/20/1991EP0413192A1 Method of making 1,1'-oxybis(3-nitro-5-Trifluoromethyl)benzene
02/20/1991EP0413140A1 Process for production of carboxylic acid esters and formamide
02/20/1991CN1049331A Preparation of alkyl propionates
02/20/1991CN1011694B Oligomerization to alpha-olefins
02/20/1991CN1011693B Process for trimerization
02/20/1991CN1011689B Crystalline gallophosphate compositions
02/20/1991CN1011664B Improved syngas conversion catalyst, production and use thereof
02/19/1991US4994619 Substituted cyclic ketones, substituted cyclic enones, and process for producing the same