Patents
Patents for C07C 31 - Saturated compounds having hydroxy or o-metal groups bound to acyclic carbon atoms (16,921)
05/1993
05/12/1993CN1020590C Method for direct hydrogenation of glycerin fatty oil
05/11/1993US5210354 Multistage from ethylbenzene and propylene, mixing heavy residue of sodium and oxygenated organic material with aqueous acid, phase separating into aqueous and organic phases, cracking organic phase to styrene
05/11/1993US5210335 Hydrogenolysis of Sucrose, Mixed Oxide Catalyst of Cobalt, Copper and Manganese
05/11/1993US5210334 Process for the preparation of alkaline earth metal alkylates having a spherical particle form
05/11/1993US5210318 Reacting epoxide, carbon monoxide and hydrogen; catalyst of anionic, phosphorus ligand-rhodium complex and protonic acid and/or Lewis acid electrophile; hydroformylation
05/11/1993CA1317602C High volumetric production of methanol in a liquid phase reactor
05/09/1993CA2082366A1 Polyisocyanate solutions useful for impregnating porous inorganic substrates
05/05/1993CN1071694A Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols or ketones
05/05/1993CN1020447C Absorbing process for removing water and methanol of alcohol
05/04/1993US5208388 Chemical intermediates for heterocyclic fungicides
04/1993
04/29/1993WO1993008240A1 Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols or ketones
04/28/1993EP0539244A1 Method of supplying energy through medium of methanol
04/28/1993EP0539002A2 Aldol condensation using solid basic catalyst of MgO and Al2O3 having a high surface area
04/28/1993EP0538686A2 Process for the preparation of 2,2,-bis-hydroxymethyl-butanediol-(1,4)
04/27/1993US5206203 Acid-resistant copper oxide-chromium oxide catalyst for the hydrogenation of fatty acids and fatty esters
04/27/1993CA1316945C Process for the condensation of alcohols
04/27/1993CA1316944C Continuous process for the production of dichlorohydrin
04/27/1993CA1316863C Isopropyl alcohol purification process
04/22/1993CA2077282A1 Aldol condensation using solid basic catalyst of mgo and al o having a high surface area
04/21/1993EP0407557B1 Reaction processes in a multi-stage fluidized bed
04/21/1993CN1071141A Synthesis gas production
04/20/1993US5204441 Polyfluorinated, branched-chain diols and diisocyanantes and fluorinated polyurethanes prepared therefrom
04/20/1993CA1316546C Homologation process making higher alcohols
04/15/1993WO1993007142A1 New ligands for asymmetric dihydroxylation: multiple cinchona alkaloid units attached to a central heterocyclic core
04/14/1993EP0536377A1 Manufacture of neopentyl glycol (i).
04/14/1993CN1070848A Highly selective monoalkylene glycol catalysts
04/13/1993US5202507 Fluidized drying with the use of gas flow at relatively low specific temperature
04/13/1993US5202506 Oxidative drown process for 2-perfluoroalkylethyl alcohols
04/13/1993CA1316182C2 Intermediates for 2,2-difluorocyclopropylethane derivatives
04/07/1993EP0535565A1 Process for the preparation of 1,3-propanediol by hydrogenation of hydroxypropionaldehyde
04/02/1993CA2079655A1 Process for the preparation of 1,3- propanediol by the hydrogenation of hydroxypropionaldehyde
04/01/1993WO1993006071A1 Preparation of manganous enolates and applications thereof
03/1993
03/31/1993CN1070393A Method for manufacture of 1,3-propanediol
03/23/1993US5196596 Higher aldehyde separation process
03/18/1993WO1993005008A1 Method of producing epoxy-ring opening products
03/18/1993CA2116536A1 A process for the production of epoxide ring opening products
03/17/1993EP0494967A4 Chiral separation media
03/17/1993EP0364587B1 Hexafluoroneopentyl alcohol, its derivatives, fluorinated polymers and their use
03/17/1993CN1069960A Process for preparation of alcohols
03/17/1993CA2051498A1 Process for treatment of aqueous solutions of polyhydric alcohols
03/16/1993CA1314566C Process for the production of alkylene glycols with metalate-containing solid
03/11/1993CA2077880A1 Method of supplying energy through medium of methanol
03/10/1993EP0519935A4 Ternary azeotropic compositions of dichloropentafluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol
03/10/1993CN1069768A Process for producing ehtanol
03/04/1993WO1993003837A1 Oxide catalyst, production thereof, and catalytic hydrogenation of co2 using same
03/04/1993DE4128649A1 Verfahren zur herstellung von epoxidringoeffnungsprodukten A process for preparing epoxidringoeffnungsprodukten
03/03/1993EP0529852A1 Melt crystallized xylitol
03/03/1993EP0529726A1 Highly selective monoalkylene glycol catalysts
03/02/1993US5191133 Process for preparation of 2-vinylnaphthalene
02/1993
02/24/1993EP0528604A1 Melt cocrystallized sorbitol/xylitol compositions
02/24/1993EP0528305A2 Catalysts containing copper-zincoxide-aluminiumoxide
02/24/1993EP0527838A1 Process for preparing optically pure 1,4-diols
02/10/1993EP0526976A1 Perfluoroalkyl halides and derivatives
02/10/1993EP0526582A1 Heterocyclic chiral ligands and method for catalytic asymmetric dihydroxylation of olefins
02/10/1993EP0526572A1 Recovery of ethylene glycol and dimethyl terephthalate from polyethylene terephthalate.
02/09/1993US5185481 Method for the separation of impurities from crude ethanol aqueous solution
02/09/1993US5185479 Reacting methyl chlroide, HCL, oxygen and perchloroethylene; separating methanol from hexachloroethane, regenerating ' starting materials by reacting hexachloroethane with methane
02/09/1993US5185477 Halohydrin commpounds
02/04/1993WO1993002035A1 Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl)hexanal and 2-butyl-2-ethyl-1,3-propanediol
02/03/1993EP0525694A2 Method for drying erythritol crystals
02/03/1993EP0525659A2 Process for preparing erythritol crystals
02/03/1993EP0525177A1 Unimolecular micelles and method of making the same
01/1993
01/27/1993EP0524740A2 Method of dehydrating organic oxygenates
01/27/1993EP0524713A2 Method for the manufacture of 1,3-Propanediol
01/27/1993EP0524638A2 Process for the preparation of fluorinated primary and secondary alcohols
01/27/1993CA2074619A1 Process for the preparation of primary and secondary fluorine-containing alcohols
01/25/1993CA2074566A1 Method for the manufacture of 1,3-propanediol
01/23/1993CA2060852A1 Method of dehydrating organic oxygenates
01/20/1993EP0523818A2 Hydrogenation process
01/19/1993US5180858 Process for the catalytic hydrogenation of liquid fatty acid methyl esters
01/13/1993EP0522841A2 Decomposition of organic hydroperoxides
01/13/1993EP0522669A2 Process for preparing hydrogenation catalysts
01/13/1993EP0522476A1 Method for separating linear aliphatic compounds terminated by fonctional groups
01/13/1993EP0522368A1 Manufacture of neopentyl glycol (IV)
01/13/1993EP0522367A1 Manufacture of neopentyl glycol (III)
01/13/1993CA2073112A1 Process for separating off aliphatic straight-chain compounds having terminal functional groups
01/12/1993US5179129 Catalytic reaction of synthesis gas to form methanol, heating and separation with purification
01/12/1993CA1312629C Process for the preparation of trifluoroethanol
01/11/1993CA2071596A1 Perfluoroalkyl halides and derivatives
01/10/1993CA2073157A1 Decomposition of organic hydroperoxides
01/06/1993CN1067733A 热交换器 Heat exchanger
01/05/1993US5177267 Continuous process for the recovery of 2 ethylhexanal and a tertiary amine from a mixture comprising 2-ethyl-2-(hydroxymethyl) hexanal, 2-ethylhexanal, tertiary amine and water
01/05/1993US5177008 Process for manufacturing ethanol and for recovering glycerol, succinic acid, lactic acid, betaine, potassium sulfate, and free flowing distiller's dry grain and solubles or a solid fertilizer therefrom
01/05/1993CA1312337C Process for the preparation of trifluoroethanol by hydrolysis in gazeous phase of chlorotrifluoroethane
12/1992
12/30/1992EP0519999A1 Preparation of indium alkoxides soluble in organic solvents.
12/30/1992EP0519935A1 Ternary azeotropic compositions of dichloropentafluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol.
12/29/1992US5175347 Process for preparing cis-dihydronopol
12/29/1992CA1312096C Process for the recovery of alcohols using an organic acid-modified polymer membrane
12/29/1992CA1312095C Continuous process for producing 1,2-diols
12/23/1992WO1992022521A1 Manufacture of neopentyl glycol (iia)
12/22/1992CA1311739C Aldehyde hydrogenation catalyst and process
12/16/1992EP0518753A1 Derivatives of 1,5-diyne-3-cycloalcene, their process of preparation and pharmaceutical compositions containing them
12/16/1992EP0518499A1 Removal of trace quantities of molybdenum
12/15/1992US5171898 Method for the production of 1,3-propandiol
12/15/1992US5171897 Hexafluoroneopentyl alcohol, derivative thereof fluorine-containing polymer and its use
12/15/1992US5171894 Catalytically oxidizing methanol in air, condensing formed gases, separation, stabililzing with base and water; continuous processing of urea-formaldehyde glues and resins
12/15/1992US5171470 Bifunctional optically active liquid crystal intermediate compound, and process for preparing same
12/15/1992CA1311503C Process for the preparation of very high purity sorbitol syrups
12/12/1992CA2070960A1 Cycloalk-3-ene-1,5-diyne derivatives; process for preparing the same and pharmaceutical compositions containing them
12/10/1992WO1992021638A1 Process for purifying aqueous crude ethanol solution