Patents
Patents for C07C 31 - Saturated compounds having hydroxy or o-metal groups bound to acyclic carbon atoms (16,921)
05/1991
05/07/1991USH918 Decarbonylation and dehydrogenation of carbohydrates
05/07/1991US5013444 Process for separating off enol ethers from reaction mixtures containing alcohols
05/02/1991WO1991005734A1 Process for the conversion of carbonaceous feedstocks to particulate carbon and methanol
05/02/1991EP0424767A2 Decanol mixtures and mixtures of didecylesters obtained from them and their use as plastifiers
05/01/1991CN1050994A Improved aldehyde hydrogenation catalyst and process
04/1991
04/30/1991US5012014 Catalyst pretreatment for olefin hydration
04/24/1991EP0424069A1 Hydrogenation catalys and process of using said catalyst
04/24/1991EP0423525A1 Process for the preparation of epimer-free sugaralcohols from the group of xylitol, sorbitol (D-glucitol), 4-0-beta-D-galactopyranosyl-D-glucitol and 4-0-alpha-D-glycopyranosyl-D-sorbitol
04/24/1991CN1050868A 1, 2-propanediol made method using pipe reactor
04/18/1991WO1991005035A1 Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms
04/18/1991DE3934458A1 Prepn. of 4-O-beta-D-galacto-pyranosyl-D-glucitol - sugar substitutes by continuous hydrogenation of lactose
04/18/1991DE3934457A1 Prepn. of sorbitol - by hydrogenation of alpha-D-glucose in aq. soln. on unsupported metal catalyst of iron gp.
04/18/1991CA2067218A1 Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms
04/17/1991EP0422523A2 Process for the preparation of cyclic carbonates
04/16/1991US5008473 Solvent extraction with cyclohexane
04/14/1991WO1991005754A2 Derivatives of long-chain fatty alcohols and their applications, in particular as cytotrophic and cytoprotective molecules, and pharmaceutical compositions containing same
04/14/1991CA2044162A1 Long-chained fatty alcohol derivatives, their applications, specifically as cytotrphic and cytoprotecting molecules, and pharmaceutical compounds containing same
04/10/1991EP0421882A2 Process for preparing xylitol and products rich in xylitol
04/10/1991EP0421196A1 One-step process for the preparation of alcohols
04/09/1991US5006508 Preparation of copper alkoxides and sol/gel precursors of superconducting ceramics
04/09/1991CA1282800C Acid catalyzed process
04/03/1991EP0420035A1 Two-step process for the preparation of alcohols
04/03/1991EP0419628A1 Process for the production of tertiary alkyl ethers and tertiary alkyl alcohols
04/02/1991US5004844 Heating and pressurization of aldehydes and ketones in the presence of a catalyst to form an alcohol
03/1991
03/20/1991EP0417867A1 Catalysts for the catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
03/20/1991CN1050038A Process of vapour hydrogenation
03/20/1991CN1012063B Hydroformylation of olefins
03/13/1991EP0416744A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
03/06/1991EP0415334A1 Process for separation of enol ethers from mixtures thereof with alcohols
03/06/1991EP0415310A2 Process for the production of tertiary alcohols
03/05/1991US4997641 Hair conditioning shampoo containing C6 -C10 alkyl sulfate or alkyl alkoxy sulfate
03/01/1991CA2024349A1 Process for separating off enol ethers from reaction mixtures containing alcohols
03/01/1991CA2021840A1 Process for the preparation of tertiary alcohols
02/1991
02/27/1991CN1049493A Hydrogenation of alpha-hydroxy ketones
02/26/1991US4996375 Vitamin E intermediates and a process for their manufacture and conversion into Vitamin E
02/26/1991US4996300 Preparation of rare earth alkoxides using catalyst
02/21/1991WO1991001961A1 Process
02/21/1991WO1991001960A1 Process
02/19/1991US4994498 Mixture also containing molybdenum sulfide and alkali metal compounds
02/19/1991CA1280446C Method of preparing methanol
02/13/1991EP0412596A1 Process for oxidising paraffinic compounds
02/13/1991EP0412337A2 Method for the production of 1,3-propandiol
02/12/1991US4992602 Catalytic decomposition of tert-butyl hydroperoxide in presence of metal phthalocyanine catalyst
02/12/1991US4992566 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
02/12/1991US4992480 Mixture of metal carbonyl and alkoxide
02/06/1991EP0411780A2 Continuous process for the recovery of betaine
02/06/1991EP0411202A1 Cosmetic composition
02/05/1991US4990695 Process for purifying crude glycerol
02/05/1991US4990694 Optically active dimethyl heptanediols
02/05/1991US4990655 Vapor phase hydrogenation using noble metal-rhenium catalyst
02/05/1991US4990321 Adding water to prevent formation of methyl bromide; distillation
01/1991
01/30/1991EP0410901A1 Method of catalytic oxidation of alkanes to give mixtures of alcohols and ketones
01/30/1991EP0410380A2 Novel process for the synthesis of 2-fluoro-1-olefins
01/30/1991EP0409828A1 Process for the recovery of alcohols using a perfluorinated ionomer membrane.
01/29/1991CA1279657C Process for making 1,3-glycols from epoxides
01/26/1991CA2021521A1 Process for the synthesis of 2-fluoro-1-olefins
01/23/1991EP0409086A1 One-step liquid phase process for dimethyl ether synthesis
01/22/1991US4986885 Process for the separation of butanol and butoxyacetaldehyde
01/19/1991CA2021063A1 Process for manufacturing ethanol, glycerol succinic acid, lactic acid, betaine, potassium sulfate, l-pyrogultamic acid, and free flowing distiller's dry grain and solubles or a solid fertilizer
01/19/1991CA2020929A1 One-step liquid phase process for dimethyl ether synthesis
01/16/1991CN1011232B Improved aldehyde hydrogenation catalyst and process
01/15/1991US4985572 Catalyzed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
01/10/1991WO1991000144A1 Homogeneous catalyst formulations for methanol production
01/10/1991WO1991000143A1 Oxidic heterogeneous catalysts of osmium, method for manufacturing them and their use in converting olefinic compounds into glycols
01/09/1991EP0406742A1 Process for the preparation of cis-dihydronopol
01/08/1991US4983776 Process for the preparation of functional fluoro derivatives
01/08/1991US4983630 2,2-difluorocyclopropylethane derivatives, processes for their preparation and their use as pesticides
01/03/1991DE3920917A1 Oxidische heterogenkatalysatoren des osmiums, verfahren zu ihrer herstellung und ihre verwendung fuer die ueberfuehrung von olefinischen verbindungen in glykole Oxidic heterogeneous catalysts of osmium, process for their production and their use for the Overpass of olefinic compounds in glycols
01/02/1991EP0405956A1 Hydrogenation of alpha-hydroxy ketones
01/02/1991EP0404834A1 Squalene oxide cyclase inhibitors and pharmaceutical composition
01/01/1991US4982022 Process for the preparation of tertiary alcohols
01/01/1991US4982020 Oxides of copper, barium, chromium as catalyst
01/01/1991US4982019 For chemical vapor deposition of superconducting thin films
12/1990
12/31/1990WO1991000141A1 Process and device for the simultaneous transfer of material and heat
12/30/1990CA2020007A1 Hydrogenation of alpha-hydroxy ketones
12/27/1990EP0404417A1 Removal of acidic impurities from tertiary butyl hydroperoxide containing feedstock
12/27/1990CA1278315C Method and apparatus for removing water from ethanol
12/26/1990CN1010938B Purifying 1, 2-ethylidene glycol obtd. from ethylidene carbonate
12/19/1990EP0402646A1 Retroviral protease inhibiting compounds
12/14/1990CA2018524A1 Process for light olefins hydration and mtbe production
12/13/1990CA2018611A1 Catalytic process for producing olefins or higher alcohols from synthesis gas
12/12/1990EP0402051A2 Processes for the preparation of saturated alcohol derivatives and their use in detergent: plasticizer: and synthetic lubricant formulations
12/11/1990US4977285 Adding lower aliphatic alcohol to heavy liquid distillation fraction, then falling-film evaporation
12/11/1990US4977284 Process for producing 1,4-butanediol and tetrahydrofuran
12/11/1990US4976928 Device for performing exothermic catalytic gas reactions for the synthesis of ammonia or methanol
12/11/1990CA1277681C Process for the production of 2,3-dichloro-1-propanol
12/05/1990CN1047532A Glycerine extracting technology by ferment method
12/04/1990US4975404 Process for the production of methanol and catalyst composition for said process
11/1990
11/28/1990EP0399913A1 Process for the synthesis of "oxo" products through the plasma route and plant comprising a plasma reactor useful in the process
11/28/1990EP0398998A1 Synthetic porous crystalline material, its synthesis and use.
11/27/1990US4973769 Malic ester, copper-aluminum catalyst
11/27/1990US4973746 Ammonolysis, dehydration, hydrogenation
11/27/1990US4973717 Production of butanediol and tetrahydrofuran, metal alloy catalyst
11/24/1990CA2017368A1 Process for the synthesis of oxo compounds and apparatus comprising a plasma reactor for use in said process
11/22/1990EP0398154A1 Process for the production of telomer-alcohols
11/22/1990EP0397650A1 Low pressure catalytic hydrogenation of carbonyl-containing compounds and catalysts therefor.
11/21/1990CN1010462B Process for producing fluidized catalyst for synthesis of methanol
11/15/1990WO1990013532A1 Method for producing stabilized solutions of formaldehyde with methanol
11/15/1990WO1990013216A2 Inflammatory disease treatment
11/13/1990US4970185 Nickel, salt, hydride, alchol