Patents
Patents for C07C 31 - Saturated compounds having hydroxy or o-metal groups bound to acyclic carbon atoms (16,921)
04/2003
04/30/2003CN1414938A Method for separation of formaldehyde from reaction mixture containing polyols by addition of solvents before and/or during distillation
04/30/2003CN1414936A Colour number improvement in polyhydric alcohols by hydrogenation
04/30/2003CN1414935A Method for purifying trimethylolpropane which is produced by hydrogenation by means of continuous distillation
04/30/2003CN1414934A Process for co-production of aliphatic dihydric alcohol and cyclic ethers
04/30/2003CN1414884A Activation and regeneration of hydro-oxidation catalyst
04/30/2003CN1413972A Separation and refining method of 1,3-propylene-glycol
04/30/2003CN1413971A Method for removing carbonyl material from 1,3-propylene-glycol
04/30/2003CN1413642A Method for extracting chrysanthemum medicinal component and extract
04/30/2003CN1107044C Method for preparing 2-cyclododecyl-1-propanol
04/30/2003CN1107043C Organic thermal carrier heating furnace for alcohol distillation
04/29/2003US6555720 Method and system for producing 1,4-butanediol
04/29/2003US6555717 Catalytic dehydroxylation of diols and polyols
04/24/2003US20030078458 Zinc alkyl chain growth products via a catalysed chain growth reaction of an alpha-olefin on a zinc alkyl by contacting the zinc alkyl with a catalyst system which uses a group 3-10 transition metal; metallocenes; by-product inhibition
04/24/2003US20030078457 A granular alkoxide prepared by fluidized-bed spraying; dustless during packaging and transfer operations; nontoxic; corrosion resistance; nonflammable; material handling; optical brighteners, UV absorbers and photoinitiators; food drugs
04/23/2003EP1303472A1 Secondary c 10- 18 surfactant alcohols
04/23/2003EP1082283B1 Method for producing hexanediol-1,6
04/23/2003EP1051378B1 Process for the preparation of neopentyl glycol
04/23/2003CN1413179A Decomposition of high boiling point by-products produced in synthesis of polyhydric alcohols
04/23/2003CN1413128A Thin layer catalysts based on raney alloys, and method for production thereof
04/23/2003CN1412168A Vacuum magnetic acceleration molecular polarity-changing vehicle ethyl alcol production method
04/23/2003CN1106366C Preparation of branched surfactant
04/22/2003US6552236 Distillation
04/17/2003WO2003031487A1 Novel fluoropolymer, resist compositions containing the same, and novel fluoromonomers
04/17/2003WO2003031380A1 Method for producing methanol and device for carrying out said method
04/17/2003WO2002043673A3 Use of nanoparticulate wax in skin cosmetics
04/17/2003US20030073750 Catalytic reaction using hydrogen and carbon monooxide in presence of cobalt catalyst; hydroformylation
04/16/2003EP1301455A1 Glycol purification
04/16/2003CN1410405A Production method of alpha, omega bielement alcohol
04/15/2003US6548718 Process for catalytic hydroxylation of, saturated or unsaturated, aliphatic compounds
04/15/2003US6548717 Via dimerization then esterification of fatty acid, then hydrogenating fatty esters; for production of surfactants; improved autooxidation stability
04/15/2003US6548716 Process for preparing a 1,3-diol
04/10/2003WO2003029259A1 Novel disphospines, their complexes with transition metals and their use in asymmetric synthesis
04/10/2003WO2003029161A1 One step hydroformylation and hydrogenation process for preparing a 1,3-propanediol
04/10/2003WO2002094751A3 Oxidative halogenation of c1 hydrocarbons to halogenated c1 hydrocarbons and integrated processes related thereto
04/10/2003CA2461284A1 One step hydroformylation and hydrogenation process for preparing a 1,3-propanediol
04/09/2003EP1299333A2 Process for producing ultra-high purity isopropanol
04/09/2003CN1409696A Method for producing alkali methylates
04/09/2003CN1409640A Polypeptide composition with improved stability
04/09/2003CN1408692A process for synthesizing methanol from low hydrogen-carbon ratio gas source
04/09/2003CN1408691A New process for separating tripentaerythritol from condensation liquid and sucking filter
04/09/2003CN1105095C Method for producing metal-free Guerbet alcohols
04/08/2003US6545190 One step process for preparing a 1,3-diol
04/08/2003US6545189 Catalytic hydrogenation of hydroxypivalaldehyde
04/08/2003US6545146 Stripping mixture containing inert gases; separation; compression; expansion
04/03/2003WO2003027053A1 1,3-butylene glycol and process for producing the same
04/03/2003WO2001007392A9 Method for the continuous production of methyl formiate
04/03/2003US20030065195 Ether compounds
04/03/2003US20030065146 Compound for use in the treatment of rheumatoid arthritis, osteoarthritis, inflammatory bowel disease and sepsis
04/03/2003CA2465989A1 1,3-butylene glycol and process for producing the same
04/02/2003EP1296926A1 Method for producing blends of phthalic acid diesters, decanols and tridecanols
04/02/2003EP1042260B1 Method for hydrogenating carboxylic acids or the anhydrides or esters thereof into alcohol
04/02/2003CN1407960A Process and devices for hydrolytically obtaining carboxylic acid and alcohol from corresponding carboxylate
04/02/2003CN1406915A Preparation of low ash content dipentaerythritol
04/02/2003CN1104403C Producing method for trimethylolalkane
04/01/2003CA2084476C Process and device for producing synthetic gas and application
03/2003
03/27/2003WO2003024885A2 Workability-improving agents for cement compositions
03/27/2003US20030060668 Efficiency
03/27/2003CA2460926A1 Workability-improving agents for cement compositions
03/26/2003EP1294664A1 Alcohol mixtures having 13 and 15 carbon atoms and the use thereof in the preparation of surface-active substances
03/26/2003EP1169417A4 Hydroprocessing using bulk group viii/group vib catalysts
03/26/2003EP1169416A4 Production of low sulfur/low nitrogen hydrocrackates
03/26/2003EP1157083A4 Hydrocracking process using bulk group viii/group vib catalysts
03/26/2003EP1109767B1 Two-stage process for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal
03/26/2003EP1084099B1 Process for the preparation of protected 3-amino-1,2-dihydroxypropane acetal and derivatives thereof
03/26/2003CN1405134A Method for preparing 1,2-cyclohexan-diol and n-amyl alcohol from light-oil of cyclohexanone by-product as raw material
03/26/2003CN1405133A Method for separating epoxy cyclohexane and n-amyl alcohol from light-oil of cyclohexanone by-product
03/26/2003CN1405132A Process method and system for synthesizing methanel using by-product coal-gas during metallurgical process
03/25/2003US6538164 Optionally pretreating aqueous solution, mixing stripping agent with solution, separating volatile compounds from solids present in solution by rapid separation, isolating volatile compound from vapor product
03/25/2003US6538163 Deesterification, decarboxylation of malonate with sodium aluminum hydride; 2-phenyl-1,3-propanediol product is useful as an intermediate in the dye industry and in pharmaceutical applications
03/20/2003US20030055298 One-step production of 1, 3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand
03/20/2003US20030055228 High-purity lanthanum isopropoxide and a process for producing the same
03/19/2003EP1293247A2 Reacting method
03/19/2003EP1292602A1 New chiral salen catalyst and methods for the preparation of chiral compounds from racemic epoxides by using new catalyst
03/19/2003EP1292587A2 Process for operating the epoxidation of ethylene
03/19/2003EP1292558A2 The method of chemical recycling of polyethylene terephthalate waste
03/19/2003EP1292556A2 Catalytic dehydroxylation of diols and polyols
03/19/2003EP1292555A2 Catalytic hydrogenation of ketones and aldehydes
03/19/2003EP1115681B1 Method for producing highly pure monoethylene glycol
03/19/2003EP1049657B1 Process for the preparation of butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran
03/19/2003CN1404181A Electrochemical synthesis of propanol in protein exchange film fuel cell
03/18/2003US6534671 Photocurable halofluorinated acrylates
03/18/2003US6534657 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions
03/18/2003US6534553 Hydrogenation of carbon monoxide using sulfide catalysts
03/18/2003US6533960 Reduction of carbonyl compounds by a silane in the presence of a zinc catalyst
03/13/2003US20030050516 Catalytic hydrogenation of carbonyl compounds
03/13/2003US20030050184 Mixed metal alkoxide complexes and polymerization catalysts made therefrom
03/13/2003US20030047851 Reacting method
03/12/2003EP1289655A1 Novel chiral salen catalysts, and a process for preparing chiral compounds from racemic epoxides for using them
03/12/2003EP1196237B1 Method for producing a granulate from a melt
03/12/2003CN2539738Y Apparatus for extracting isopropyl alcohol from waste liquid of cleaning printing plate
03/12/2003CN1402701A Method for production of formic acid
03/12/2003CN1402698A Use of metathesis products of Fischer-Tropsch process products
03/12/2003CN1102863C Catalyst for preparation of ethanediol by epoxyethane hydration and its process
03/06/2003WO2002051779A3 Method for producing alcohols by hydrogenating carbonyl compounds
03/06/2003US20030045760 Color number improvement in polyhydric alcohols by hydrogenation
03/06/2003US20030044543 Solvent mixture comprising (A) 2-(trifluoromethyl)-2,3, 3-trifluoropropanol and (B) 2,2,3,4,4,4-hexafluorobutanol; ratio of (A)/(B) (by mass) is from 0.5/99.5 to 99.5/ 0.5.
03/05/2003WO2002020444A1 Process for producing fluoroalkanol
03/05/2003EP1288280A2 Use of tertiary alcohols or esters as perfuming ingredients
03/05/2003EP1030830B1 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
03/05/2003CN1400201A Preparation method of 1,3-propylene glycol