Patents
Patents for C07C 31 - Saturated compounds having hydroxy or o-metal groups bound to acyclic carbon atoms (16,921)
10/2001
10/04/2001WO2001072675A2 One step process for preparing a 1,3-diol
10/04/2001WO2001034545A3 Method for production of formic acid
10/04/2001EP1138661A1 Pulverised mannitol and process for its preparation
10/04/2001EP1137619A1 A method of dewatering organic liquids
10/04/2001CA2404758A1 One step process for preparing a 1,3-diol
10/03/2001CN1315932A Two-stage process for production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal
10/03/2001CN1315313A Process and equipment for preparing solid potassium alkoxide
10/03/2001CN1315226A Reduction treated copper-base catalyst and process for preparing alpha-phenylethyl alcohol therefrom
10/03/2001CN1072216C Method of producing 1,4-butanediol and tetrahydrofuran from furan
10/02/2001US6297408 Partial hydrogenation catalyzed by an oxide-supported metal catalyst within a first zone then conversion completion at a higher temperature catalyzed by an activated carbon-supported second metal catalyst
10/02/2001US6297188 Particles of magnesium ethoxide process comprising reacting metallic, optionally activated, magnesium with liquid ethanol under pressure of above 1 bar
09/2001
09/27/2001WO2001070660A1 Process for preparing an alcohol from an olefin
09/27/2001WO2001070659A1 Process for the preparation of propane-1,3-diol by vapor phase hydrogenation of 3-hydroxypropanal, beta-propiolactone, oligomers of beta-propiolactone, esters of 3-hydroxypropanoic acid or mixtures thereof
09/27/2001WO2001070658A1 Process for preparing a 1,3-diol
09/27/2001WO2001070657A2 Method for the production of alcohols on rhenium-containing activated charcoal supported catalysts
09/27/2001US20010025127 Dihalo-compound and process for producing vitamin A derivative
09/27/2001DE10014646A1 Catalyst, useful for the hydrogenation of carbonyl compounds, comprises rhenium and Zn, Cu, Ag, Au, Ni, Fe, Cr or V on an oxidatively pretreated activated carbon support
09/27/2001CA2404122A1 Process for preparing a 1,3-diol
09/27/2001CA2404119A1 Process for preparing an alcohol from an olefin
09/26/2001EP0835234B1 Process for producing oxygenated products
09/26/2001CN1314332A Purifying method for fermented methanol
09/26/2001CN1071726C Process for producing oxygenated products
09/25/2001US6294705 Reacting alcohol with alkali metal in aprotic organic solvent in presence of open-chain unsubstituted or substituted 1,3-diene, cyclic 1,3-diene or arylolefin as hydrogen acceptor
09/25/2001US6294704 Feeding reaction mixture into distillation column, distilling off methanol from top, withdrawing bottom fraction comprising fluoroalcohol, removing water and hydrofluoric acid as side cut, recycling methanol, purifying bottom fraction
09/25/2001US6294682 Alkoxides with alkaline earths and titanium, zirconium and/or hafnium, their production and use
09/20/2001WO2001068581A2 The method of chemical recycling of polyethylene terephthalate waste
09/20/2001WO2001068576A1 Dermatological compounds
09/20/2001WO2001068252A2 Improved metal-ligand complex catalyzed processes
09/20/2001US20010023306 Aldehydes formed by hydroformylation of the corresponding olefins, where the formic acid formed during the reaction or in the subsequent catalyst work-up is decomposed catalytically; improved space-time yield
09/20/2001US20010023299 By adding a potassium alkoxide which reacts with a chlorine compound impurity in an organic solvent and then recovering the gallium alkoxide by distillation or sublimation; use as raw material for formation of dielectrics
09/20/2001CA2403374A1 The method of chemical recycling of polyethylene terephthalate waste
09/20/2001CA2402140A1 Improved metal-ligand complex catalyzed processes
09/19/2001EP1133463A1 Aldol condensation
09/19/2001EP1133285A1 A process for producing particles with a converted amorphous and/or meta-stable crystalline region into crystalline state
09/19/2001EP0912488B1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran
09/19/2001CN1313843A Process for the purification of 1,3-propanediol
09/19/2001CN1071301C Process for preparing an alkanone and/or an alkanol
09/19/2001CN1071297C Solid sodium alcoholate producing process from liquid sodium alcoholate
09/19/2001CN1071296C Method of producing 1,4-butanediol
09/19/2001CN1071295C Preparation of alkylene glycols
09/19/2001CN1071294C Process for decomposition of cyclohexyl hydroperoxide
09/19/2001CN1071291C Production of hydrocarbon partial oxidation products
09/13/2001US20010021781 Catalyst for hydrogenating dicarboxylic acids
09/12/2001EP1131155A1 Catalyst and process for preparing 1,3-propanediol
09/12/2001EP1030826A4 Method for carrying out heterogeneous catalysis
09/12/2001EP0934238B1 Process for preparing oxidation products from cyclohexane in counterflow
09/12/2001EP0869951B1 Method of producing 1,6-hexane diol from epoxybutadiene
09/11/2001US6288288 Process for preparing saturated alcohols
09/11/2001US6288287 Feeding mixture of a glycerol, diol and water to two or more serially connected flash towers, distillation tower, final flash tower; improved color and odor
09/11/2001US6288286 Method for producing hexanediol-1,6
09/11/2001US6288285 Reaction of allyl acetate with chlorine in vapor phase without a catalyst
09/06/2001US20010020102 Reacting ethylene oxide and carbon dioxide to form solution containing ethylene carbonate, hydrolyzing solution with water to give aqueous solution containing ethylene glycol, transesterifying ethylene carbonate and hydroxy compound
09/06/2001US20010019995 Preservation
09/05/2001EP1129058A1 New method for making photocurable halofluorinated acrylates
09/05/2001EP0907627B1 Method for producing xylitol
09/05/2001EP0819109B1 Preparation of tetrafluoroethylene
09/05/2001CN1311765A Method for oxidizing hydrocarbons
09/05/2001CN1311181A Using method of mixed gas containing acetylene, ethylene and synthetic gas
09/04/2001US6284932 Method for producing alcohols containing cycloaliphatic groups
09/04/2001US6284929 Odorants
08/2001
08/30/2001WO2001062701A1 Process for preparation of formate esters or methanol and catalyst therefor
08/30/2001WO2001062694A1 Process for preparation of 2,2,3,4,4,4-hexafluoro-1-butanol and use thereof
08/30/2001DE10009207A1 Verbessertes Verfahren zur Hydroformylierung von Olefinen durch Reduzierung der Ameisensäurekonzentration An improved process for the hydroformylation of olefins by reducing the concentration of formic acid
08/29/2001EP1127864A2 Improved process for the hydroformylation of olefins by reducing the concentration of formic acid
08/29/2001CN1310699A Methods for converting lower altanes and alkenes to alcohols and diols
08/29/2001CN1070234C Method of utilizing microbe to raise alcohol yield
08/29/2001CN1070163C Process of chemically synthetizing methanol
08/28/2001CA2089566C Manufacture of neopentyl glycol (iia)
08/28/2001CA2017252C Retroviral protease inhibiting compounds
08/23/2001US20010016671 A reduction-treated copper-based catalyst obtained by reducing a copper-based catalyst with hydrogen in the presence of a liquid phase, which is useful for producing alpha-phenylethyl alcohol by hydrogenating acetophenone
08/22/2001EP1125915A1 Process for simultaneous production of ethylene glycol and carbonate ester
08/22/2001EP1124781A1 Aqueous formaldehyde solutions with a low tetroxane content
08/22/2001EP1027343A4 Process for the preparation of hydroxy substituted gamma butyrolactones
08/22/2001CN1309626A Crystallization of xylitol, crystalline xylitol product and use thereof
08/22/2001CN1309586A Dealuminized catalyst support, method for producing said catalyst support and method for hydrating C2- or C3-olefins with water in presence of catalyst contg. catalyst support impregnated with acid
08/22/2001CN1309112A Method for preparing alkylene diol
08/22/2001CN1069890C Purification of 1,3-propanediol
08/16/2001WO2001058833A1 Method for functionalising a double bond
08/16/2001WO2001058808A1 Method of preparation for silica (sio2) from rice bran
08/16/2001WO2001058588A1 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions
08/16/2001US20010014763 Feeding mixture of a glycerol, diol and water to two or more serially connected flash towers, distillation tower, final flash tower; improved color and odor
08/16/2001EP1123263A1 Processing of contaminated fatty alcohol mixtures
08/16/2001DE10058773A1 Verfahren zur Rückgewinnung von Terephthalsäure aus dem pulverisierten Produkt von verbrauchtem Polyethylenterephthalat und System für die Verwendung in diesem Verfahren A process for recovery of terephthalic acid from the pulverized product of polyethylene terephthalate and spent system for use in this process
08/16/2001CA2400183A1 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions
08/16/2001CA2397834A1 Method for functionalising a double bond
08/15/2001CN1308046A Method of preparing glycol and carbonate simultaneously
08/15/2001CN1308044A Dihalide and vitmin A derivative preparing method
08/15/2001CN1069626C Alcohol ether synthetic improved technology and synthetic reactor thereof
08/14/2001US6274778 Pulverulent sorbitol and its process of preparation
08/14/2001US6274743 Process for the preparation of butanediol, butyrolactone and tetrahydrofuran
08/14/2001CA2150392C Recovery of glycols from used glycol-containing technical fluids
08/14/2001CA2076569C Highly selective monoalkylene glycol catalysts
08/09/2001WO2001056963A1 High-purity 1,3-butylene glycol, process for producing 1,3-butylene glycol, and process for producing by-product butanol and butyl acetate
08/09/2001WO2000078272A3 Guerbet alcohols
08/08/2001EP0984831B1 Moulded activated metallic fixed-bed catalyst
08/08/2001CN1069298C Improved process for hydrogenation of maleic acid to 1,4-butanediol
08/02/2001WO2001055065A1 Method for producing c9 alcohols and method for the integrated production of c9 alcohols and c10 alcohols
08/02/2001DE10003482A1 Verfahren zur Herstellung von C9-Alkoholen und Verfahren zur integrierten Herstellung von C9-Alkoholen und C10-Alkoholen Process for the preparation of C9-alcohols and process for the integrated production of C9-C10 alcohols and alcohols
08/01/2001EP1120398A2 Dihalo-compound and process for producing vitamin A derivative
08/01/2001CN1306501A Synthesis of haloalkynol