Patents
Patents for C07C 31 - Saturated compounds having hydroxy or o-metal groups bound to acyclic carbon atoms (16,921)
07/2002
07/03/2002CN1087011C Process for preparing 1,5-pentanediol
07/02/2002US6414201 Raney catalyst, process for producing it and process for producing a sugar-alcohol using the same
06/2002
06/28/2002CA2366106A1 Method and apparatus for producing methanol making use of biomass material
06/27/2002WO2002050139A1 Butene oligomer derivatives having terminal 1,4-butanediol functional groups
06/27/2002WO2002049999A1 Process for preparation of polyhydric alcohols
06/27/2002US20020082456 Introducing feed mixture comprising alkylene oxide and water into reactor containing fixed bed of solid catalyst based on anion exchange resin; removing mixture comprising alkylene glycol and unreacted feed mixture; recycling
06/26/2002EP1217022A2 Process for making polyetherester resins with high aromatic ester content
06/26/2002EP1216979A1 Process for the preparation of trimethylol alcanes and formic acid
06/26/2002EP1216750A1 Reactor for exothermic or endothermic heterogeneous reactions
06/26/2002EP1216083A2 Recovery process for volatile compounds from solids in aqueous solution
06/26/2002CN1355160A Method for preparation of 1,3-alkamediol by 3-carboxy ester
06/26/2002CN1355159A Process for synthesizing methanol with higher output
06/25/2002US6410808 Method for producing a fluoroalcohol
06/25/2002US6410806 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
06/25/2002US6410802 Etherification in presence of base
06/20/2002WO2002048162A1 Chiral polymeric salen catalyst, and a process for preparing chiral compounds from racemic epoxides by using them
06/20/2002WO2002018316A3 Two-stage process for the hydrogenation of maleic acid to 1,4-butanediol
06/20/2002WO2001000685A3 Mixed metal alkoxide complexes and polymerization catalysts made therefrom
06/20/2002US20020077511 Diols and polyols, are dehydroxylated to the corresponding primary alcohols using homogeneous organometallic ruthenium complex catalyst
06/20/2002US20020077502 Reacting formaldehyde and aldehyde in presence of a nitrogen base to form mixture containing trimethylol compound and formate salt of nitrogen base; removing trimethylol compound; distillation of formate salts into base and formic acid
06/20/2002US20020076772 Process for the production of xylitol
06/20/2002DE10062448A1 Continuous hydrogenation of a reaction mixture arising from the hydroformylation of 4-16C olefins, useful for the production of alcohols for plasticizers or detergents, is carried out in the presence of water
06/20/2002DE10059668A1 Verwendung von nanopartikulären Wachsen in der Hautkosmetik Use of nanoparticulate growth in skin cosmetics
06/19/2002EP1003700B1 Method for producing metal-free guerbet alcohols
06/19/2002CN2495646Y Multi-functional apparatus for recovering and concentrating alcohol
06/19/2002CN1354161A Preparation method of glycol antimony
06/18/2002US6407295 Hydroformylation; hydrogenation
06/18/2002US6407294 Method for producing 1,6-hexanediol
06/14/2002CA2364826A1 Process for the hydrogenation of hydroformylation mixtures
06/13/2002WO2001098241A3 Catalytic dehydroxylation of diols and polyols
06/13/2002US20020072638 Process for the preparation of tertiary alcohols by the hydration of tertiary olefins in a reactive rectification using a structured multi-purpose packing
06/12/2002EP0966416B1 A process for the production of tetrahydrofuran, gammabutyrolactone and butanediol
06/12/2002CN1353684A Ether compounds, compositions, and uses thereof
06/12/2002CN1353682A Treatment of composition comprising trimetlylohalkane bis-monolinear formal
06/12/2002CN1086155C Raney catalyst, process for producing it and process for producing sugar-alcohol using the same
06/11/2002US6403845 Preparation of pentanediols from alkoxydihydropyrans
06/11/2002US6403836 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
06/06/2002WO2002043673A2 Use of nanoparticulate wax in skin cosmetics
06/06/2002WO2001047850A3 Colour number improvement in polyhydric alcohols by hydrogenation
06/06/2002US20020066703 TMP/Vapor pressure filtration
06/05/2002EP1211234A2 Process for preparing 1,3-alkandiols from 3-hydroxyesters
06/05/2002EP1210309A2 Method and arrangement for producing methanol
06/05/2002EP1210308A1 Method and installation for synthesising methanol from hydrogen, carbon monoxide and carbon dioxide under pressure
06/05/2002EP0914312B1 Method for producing xylitol
06/04/2002US6397599 Method for producing ethylene oxide by directly oxidizing ethylene with air or oxygen
05/2002
05/29/2002DE10055180A1 Verfahren zur Hydrierung von Poly- oder Monomethylolalkanalen A process for the hydrogenation of poly- or monomethylolalkanals
05/29/2002CN1351001A Process for preparing cyclohexyl alcohol
05/29/2002CN1351000A Process for recovering methanol from circulating gas in methanol synthesizing procedure
05/23/2002WO2002040155A1 Process for hydrogenation of carbonyl and iminocarbonyl compounds using ruthenium catalysts comprising tetradentate diimino-diphosphine ligands
05/23/2002US20020062050 Catalytic preparation of alkali metal alkoxides
05/23/2002US20020061985 Reacting a reaction product of a magnesium alkoxide or aryloxide and a group IVB metal alkoxide or aryloxide; and a cyclic or polycyclic hydrocarbon; preparing polyolefins with broad or bimodal molecular weight distribution
05/22/2002EP1206439A1 Method for the continuous production of methyl formiate
05/22/2002CN1350515A Mixture of adipic or phthalic acid diesters and isomeric nonanols
05/22/2002CN1350512A Method of preparing surface-active alcohols and surface-active alcoholic ethers, products obtained by said method and their use
05/22/2002CN1085113C Hydrogenation reaction catalyst precursor, process for production thereof and process for production of alcohol
05/21/2002US6392105 Reacting methanol with tetrafluoroethylene or hexafluoropropylene
05/21/2002US6392076 Weakly coordinating anions containing polyfluoroalkoxide ligands
05/16/2002WO2002038525A2 Method for hydrating poly- or monomethylol alkanals
05/16/2002US20020058713 Subjecting saponified beeswax to liquid extraction with a liquid organic extractant in which alcohols are soluble; recovering alcohol mixture from extractant whereby alcohol mixture is isolated from nonalcoholic compounds
05/15/2002EP1204629A1 Processes for preparing oxygenates
05/15/2002EP1204626A1 Ether compounds, compositions, and uses thereof
05/15/2002CN1348942A Molecular sieve adsorbing and dewatering process of producing absolute alcohol
05/14/2002US6388149 Process for reacting an organic compound in the presence of a supported ruthenium catalyst
05/14/2002US6388124 Dihalo-compound and process for producing vitamin A derivative
05/14/2002US6388074 Process for the preparation of purine derivatives
05/14/2002US6387963 From synthesis gas; multistage
05/14/2002US6387402 Pulverulent sorbitol and its process of preparation
05/14/2002US6387222 Continuous isolation of a high-melting material by distillation
05/08/2002DE10054347A1 Verfahren zur katalytischen Hydrierung organischer Verbindungen und Trägerkatalysatoren hierfür Process for the catalytic hydrogenation of organic compounds and supported catalysts for this purpose
05/08/2002CN1347758A Sec-octanone hydrogenating process of preparing sec-octanol and its copper-containing catalyst
05/08/2002CN1084297C Flow dividing process for ammonia or alcohol synthesis reaction system
05/07/2002US6384243 Enzymatic conversion of unsaturated fatty acid; cider apple; linoleic acid
05/07/2002US6383972 Preparation of a catalyst support in activated carbon fibres
05/07/2002CA2038710C Preparation of 1,4-butanediol
05/02/2002WO2001094284A3 Process for producing ultra-high purity isopropanol
05/02/2002WO2001085651A3 Process for preparation of selectively branched detergent products
05/02/2002WO2001072676A3 Finishing of neopentyl glycol
05/02/2002US20020052306 (+)- And (-)-2-cyclododecylpropanol and (+)- and (-)-2-cyclododecylpropionic acid and the preparation and use thereof
05/02/2002EP1200490A1 Catalytic system based on rare earth and magnesium. novel neodymium alcoholate, use for polymerising unsaturated compounds
05/02/2002EP1200380A1 Catalytic hydrogenation of 3-hydroxypropanal to 1,3-propanediol
05/02/2002EP1200345A1 Method of preparation for silica (sio 2?) from rice bran
05/01/2002CN1346703A Process for preparing sec.-octanoly by hydrogenating sec.-octanone and its catalyst containing Ni
04/2002
04/30/2002US6380443 Preparation of 1,3-diols
04/30/2002US6380419 Process for simultaneous production of ethylene glycol and carbonate ester
04/25/2002WO2002032841A1 Process for the hydration of olefins
04/25/2002CA2426099A1 Process for the hydration of olefins
04/24/2002EP1199294A1 Process for the preparation of tertiary alcohols by the hydration of tertiary olefins in a reactive rectification using a structured multi-purpose packing
04/24/2002EP1198442A1 Use of metathesis products of fischer-tropsch process products
04/24/2002CN1346340A Method for production of butanediol
04/24/2002CN1345710A Process for removing micro residue of aldehyde material from 1,3-propylene-glycol
04/24/2002CN1083415C Process for preparing isopropanel by hydrogenation of acetone
04/24/2002CN1083414C One-step synthesizing process of 2,5-dimethyl-2,5-hexanediol
04/24/2002CN1083413C Process for continuous prodn. of neopentyl glycol
04/23/2002US6376725 1,3 butylene glycol of high purity and method for producing the same
04/23/2002US6376414 Method for producing catalysts containing ruthenium and the use thereof for hydrogenation
04/18/2002WO2002030858A1 Improvement of a colour index of multivalent alcohols by hydrogenation
04/18/2002US20020045789 Synthesis and isomerization of 1,2-bis (indenyl) ethanes
04/18/2002US20020045778 Method for oxidizing alkanes and cycloalkanes with aldehydes in the presence of copper-based catalysts and nitrogen-containing compounds
04/18/2002DE10050645A1 Decolorization of polyhydric alcohol, especially trimethylolpropane useful as cross-linker for polyester or polyurethane, involves hydrogenating distilled alcohol over macroporous supported heterogeneous transition metal catalyst
04/18/2002DE10050627A1 Verfahren zur Herstellung von tertiären Alkoholen durch Hydration von tertiären Olefinen in einer Reaktivrektifikation unter Einsatz einer strukturierten Mehrzweckpackung A process for the preparation of tertiary alcohols by hydration of the tertiary olefins in a reactive rectification using a structured multi-purpose packing