Patents for C07C 29 - Preparation of compounds having hydroxy or o-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring (31,270) |
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04/23/1991 | US5010189 Processes for the preparation of 5-amino-4-hydroxy-valeric acid derivatives |
04/23/1991 | US5009783 Curable blend of porous polysulfone support with layer of polyvinyl alcohol and polyacrylic acid |
04/18/1991 | WO1991004958A1 Method for the preparation of hydrolyle or carboxyle compounds with two or three double bonds and more than 5 carbon atoms |
04/18/1991 | WO1991004789A1 Process for producing acid-resistant catalysts for the direct hydration of carboxylic acids into alcohols |
04/18/1991 | DE3933661A1 Catalyst for hydrogenation of acetophenone to methyl benzyl alcohol - made by impregnating silica support with solns. of copper tetr:amine carbonate and ammonium chromate, and drying prod. |
04/18/1991 | DE3933284A1 Electrical energy from solar energy - via methane deforming process and fuel cell |
04/17/1991 | EP0422968A1 Hydrogenation of citral |
04/17/1991 | CA2020532A1 Membrane process for separation of organic liquids |
04/16/1991 | US5008473 Solvent extraction with cyclohexane |
04/16/1991 | US5008408 Heating 4-hydroxy butyraldehyde, catalytic hydrogenation of resulting acetal intermediate |
04/16/1991 | US5008235 Catalysts of Cu-Al-third metal for hydrogenation |
04/11/1991 | DE3942064A1 Verfahren zur herstellung von saeurefesten katalysatoren fuer die direkte hydrierung von carbonsaeuren zu alkoholen Process for the preparation of alcohols to acid-resistant catalysts for the direct hydrogenation of carboxylic acids |
04/10/1991 | EP0421196A1 One-step process for the preparation of alcohols |
04/10/1991 | EP0421034A1 Catalyst for removing peroxide contaminants from tertiary butyl alcohol |
04/09/1991 | US5006576 Ion exchange membrane |
04/09/1991 | US5006508 Preparation of copper alkoxides and sol/gel precursors of superconducting ceramics |
04/09/1991 | CA1282800C Acid catalyzed process |
04/04/1991 | WO1991004242A1 Improved guerbet process |
04/03/1991 | EP0420510A2 Process for the formation of alcohols |
04/03/1991 | EP0420035A1 Two-step process for the preparation of alcohols |
04/03/1991 | EP0419628A1 Process for the production of tertiary alkyl ethers and tertiary alkyl alcohols |
04/02/1991 | US5004862 Using Methane And Steam To Strip The Contaminants |
04/02/1991 | US5004845 Producing alcohol |
04/02/1991 | US5004844 Heating and pressurization of aldehydes and ketones in the presence of a catalyst to form an alcohol |
04/02/1991 | US5004843 Reacting A Vinyl Epoxide With An Organolithium Compound |
04/02/1991 | US5004837 Oxidation of cycloalkane |
04/02/1991 | US5004717 Oxidizing aged catalyst, contacting with an inert gas, cooling and reducing copper oxides in aged catalyst |
03/27/1991 | EP0419330A2 Method for the preparation of an alkynyl compound |
03/27/1991 | CN1050144A Cupric silicate catalysts, method of production and uses thereof |
03/21/1991 | WO1991003318A1 Copper silicate catalyst, process for making it and its use |
03/21/1991 | WO1991001980A3 Process for preparing plastics from raw fats and oils |
03/21/1991 | DE3930288A1 Kupfer-silikat-katalysator, sein herstellungsverfahren und seine verwendung Copper silicate catalyst, manufacturing process and its use be |
03/20/1991 | EP0417867A1 Catalysts for the catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters |
03/20/1991 | EP0417825A2 Cymenol preparation by direct dehydrogenation |
03/20/1991 | EP0417407A1 Shaped bodies of macroporous ion exchanger resins and their use |
03/20/1991 | CN1050038A Process of vapour hydrogenation |
03/20/1991 | CN1050014A Process for preparing 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethanol |
03/20/1991 | CN1012063B Hydroformylation of olefins |
03/19/1991 | US5001284 Process for manufacturing fatty alcohols |
03/19/1991 | US5000926 Catalyst layer-fixed reactor |
03/19/1991 | CA1281743C Process for preparing ethers |
03/19/1991 | CA1281732C Iridium complexes and the use thereof |
03/13/1991 | EP0416744A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol |
03/13/1991 | EP0416683A1 P-cymenol preparation by transfer dehydrogenation |
03/13/1991 | CN1049842A Synthetic method of isoborneol by catalyzing camphenic water with resin |
03/12/1991 | US4999454 Catalysis with iron hydrate compound; reacting chloral with unsaturated hdyrocarbon |
03/12/1991 | US4999133 Process for the production of synthesis gas |
03/12/1991 | US4999090 Distillation in the presence of an alkali |
03/06/1991 | EP0415334A1 Process for separation of enol ethers from mixtures thereof with alcohols |
03/06/1991 | EP0415310A2 Process for the production of tertiary alcohols |
03/06/1991 | EP0415202A2 Method for the production of lower polyhydric alcohols |
03/06/1991 | EP0415190A1 Cycloalkylidene derivatives |
03/06/1991 | EP0414686A1 Derivatives of trifluoromethyl-1-tetralines, preparation and application thereof for the synthesis of compounds having therapeutic properties. |
03/05/1991 | US4997964 Catalysts |
03/01/1991 | CA2024349A1 Process for separating off enol ethers from reaction mixtures containing alcohols |
03/01/1991 | CA2021840A1 Process for the preparation of tertiary alcohols |
02/28/1991 | DE3927729A1 Aiding ammonia or methanol prodn. by steam reforming - with energy from fuel cell using oxygen and hydrogen from adsorption system |
02/27/1991 | CN1049493A Hydrogenation of alpha-hydroxy ketones |
02/26/1991 | US4996375 Vitamin E intermediates and a process for their manufacture and conversion into Vitamin E |
02/26/1991 | US4996374 Hydrogenation of acetophenone |
02/26/1991 | US4996324 Reacting secondary alcohol with primary alcohol in presence of basic catalyst |
02/26/1991 | US4996300 Preparation of rare earth alkoxides using catalyst |
02/26/1991 | US4996225 Tri-phenyl alkane derivatives and their oestrogenic, anti-oestrogenic and progestanic uses |
02/26/1991 | US4996158 Optical resolution of racemic alcohols |
02/21/1991 | WO1991001961A1 Process |
02/21/1991 | WO1991001960A1 Process |
02/20/1991 | CN1049300A Agglomerates of malachite crystals and method for their preparation |
02/19/1991 | US4994625 Production of hydrogen peroxide |
02/19/1991 | US4994568 6- and 4-substituted-1-azabicyclo(3.2.0)heptan-3, 7-dione-2-carboxylates |
02/19/1991 | US4994498 Mixture also containing molybdenum sulfide and alkali metal compounds |
02/19/1991 | US4994152 Cyclohexanone, methylcyclohexanone and high boiling by-product |
02/19/1991 | US4994093 Partial oxidation, gasification of fuel dusts, purification, efficiency |
02/19/1991 | CA1280446C Method of preparing methanol |
02/19/1991 | CA1280445C Process for the preparation of perfluoroalkylalkenols |
02/14/1991 | DE4024364A1 Verfahren zur herstellung von kunststoffen aus rohen fetten und oelen Process for the manufacture of plastics raw fat and grease the |
02/13/1991 | EP0412596A1 Process for oxidising paraffinic compounds |
02/13/1991 | EP0412415A1 Palladium catalysts |
02/13/1991 | EP0412337A2 Method for the production of 1,3-propandiol |
02/12/1991 | US4992609 Telomerization catalysts |
02/12/1991 | US4992602 Catalytic decomposition of tert-butyl hydroperoxide in presence of metal phthalocyanine catalyst |
02/12/1991 | US4992566 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol |
02/12/1991 | US4992480 Mixture of metal carbonyl and alkoxide |
02/12/1991 | US4992479 Process for the preparation of methanol and composition suitable for use as a catalyst in said process |
02/12/1991 | US4992454 Antifungal 1,3-bis (1H-1,2,4-triazol-1-yl)-2-aryl butan-2-ols and derivatives thereof |
02/12/1991 | US4992176 Dehydration of organic oxygenates |
02/10/1991 | WO1991001980A2 Process for preparing plastics from raw fats and oils |
02/10/1991 | CA2038936A1 Method of producing plastics from crude fats and oils |
02/06/1991 | EP0411780A2 Continuous process for the recovery of betaine |
02/06/1991 | EP0411410A2 Process for the preparation of octadienols |
02/06/1991 | EP0411202A1 Cosmetic composition |
02/05/1991 | US4990698 Method for producing alkadienols |
02/05/1991 | US4990697 Process for producing homoallyl alcohols |
02/05/1991 | US4990696 Oxychlorinationof perchloroethylene to form hexachloroethane which is reacted with methane to produce methyl chloride, hydrolysis |
02/05/1991 | US4990695 Process for purifying crude glycerol |
02/05/1991 | US4990694 Optically active dimethyl heptanediols |
02/05/1991 | US4990692 Extraction from an aqueous solutio of aromatic sulfonic acid using cyclohexyl ethers |
02/05/1991 | US4990690 Process for preparing aromatic polyhydric alcohol |
02/05/1991 | US4990689 2,4-bis(2-hydroxyhexafluoro-2-propyl)fluorobenzene and method of preparing same |
02/05/1991 | US4990688 Removal of cyclohexanol |
02/05/1991 | US4990677 Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives |