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