Patents
Patents for C07C 31 - Saturated compounds having hydroxy or o-metal groups bound to acyclic carbon atoms (16,921)
07/2001
07/31/2001US6268501 Process for the preparation of hydroxyethylcyclohexanes and hydroxyethylpiperidines
07/25/2001EP1084099A4 Process for the preparation of protected 3-amino-1,2-dihydroxypropane acetal and derivatives thereof
07/25/2001CN1305447A Optically active compounds
07/25/2001CN1304948A Method of producing polytetramethylene ether diol polymer or copolymer
07/25/2001CN1304918A Non-crystal catalyst for hydrogenating glucose and its preparing process
07/25/2001CN1304917A Process for preparing tert-butanol from isobutylene by hydration
07/25/2001CN1304916A Process for synthesizing methanol from coal-seam gas or low-grade natural gas
07/24/2001US6265625 Evaporating water and glycols which are present in mixture, separating off liquid or gaseous medium which is freed from salt and comprises glycols and water, dewatering medium and isolating glycols from dewatered medium
07/24/2001US6265623 Process for the reductive cleavage of linear and cyclic acetals especially formals
07/19/2001WO2001051438A1 Method for producing trimethylol alkanes
07/19/2001DE10001257A1 Verfahren zur Herstellung von Trimethylolalkanen A process for preparing trimethylolalkane
07/19/2001CA2396947A1 Method for producing trimethylol alkanes
07/18/2001EP1115713A1 Method for producing ethylene oxide by directly oxidizing ethylene with air or oxygen
07/18/2001EP1115682A1 Method for producing highly pure monoethylene glycol
07/18/2001EP1115681A1 Method for producing highly pure monoethylene glycol
07/18/2001EP0853608B1 Process for the ammonia and methanol co-production
07/17/2001US6262318 Xylitol and erythritol; hydrolysis; reduction; alkaline oxidation
07/17/2001US6262317 Stirring liquid phase
07/17/2001US6262307 Shaped, activated metal, fixed-bed catalyst
07/17/2001US6262278 Reacting water and mixture of stereoisomers of chiral cyclic substrate in the presence of non-racemic chiral catalyst to produce by kinetic resolution stereoisomerically enriched cyclic substrate or stereoisomerically enriched hydrolyzate
07/17/2001CA2002494C Oxidation of saturated hydrocarbon chains
07/12/2001WO2001000549A3 Branched largely insatured fatty alcohols
07/12/2001WO2000078697A3 High molecular weight primary aliphatic alcohols obtained from beeswax and pharmaceutical use thereof
07/11/2001EP0553222B2 A process for preparing non-crystallizing liquid xylitol
07/11/2001CN1303362A Method for producing mixtures of 1,4-butanediol, tetrahydrofuran and & gamma-butyrolactone
07/11/2001CN1302789A Process for extracting glycerin from distillers' grains, rice husk or wheat bran
07/05/2001WO2001048037A1 Mixed metal alkoxide and cycloalkadienyl catalysts for the production of polyolefins
07/05/2001WO2001047854A1 Method for the separation of formaldehyde from a reaction mixture containing polyols by the addition of solvents before and/or during the distillation
07/05/2001WO2001047850A2 Colour number improvement in polyhydric alcohols by hydrogenation
07/05/2001WO2001047848A1 Method for the decomposition of high boiling by-products produced in the synthesis of polyhydric alcohols
07/05/2001WO2001047847A1 Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillation
07/05/2001WO2001047633A2 Thin layer catalysts based on raney alloys, and method for the production thereof
07/05/2001DE19963445A1 Verfahren zur Abtrennung von Formaldehyd aus polyolhaltigen Reaktionsgemischen unter Zusatz von Lösungsmitteln Process for the separation of formaldehyde from polyol-containing reaction mixtures with the addition of solvents
07/05/2001DE19963443A1 Dünnschichtkatalysatoren auf Basis von Raney-Legierungen und Verfahren zu deren Herstellung Thin film catalysts based on Raney alloys and processes for their preparation
07/05/2001DE19963442A1 Farbzahlverbesserung von mehrwertigen Alkoholen durch Hydrierung Improving the color number of polyhydric alcohols by hydrogenation
07/05/2001DE19963437A1 Verfahren zur Zersetzung von bei der Synthese mehrwertiger Alkohole gebildeter hochsiedender Nebenprodukte A process for the decomposition of polyhydric alcohols in the synthesis of high-boiling by-products formed
07/05/2001DE19963435A1 Verfahren zur Reinigung von durch Hydrierung hergestelltem Trimethylolpropan durch kontinuierliche Destillation A process for purifying produced by hydrogenation of trimethylolpropane by continuous distillation
07/04/2001EP1112992A2 Process for the preparation of alcohol/water mixtures
07/04/2001EP1112776A1 Pd-Re catalyst for hydrogenating dicarboxylic acids
07/04/2001EP1112004A1 Non-crystallizing liquid xylitol compositions and co-hydrogenation processes for making same
07/04/2001EP0902777B1 D-mannitol and its preparation
07/04/2001EP0873297B1 Process for preparing hydroxy-containing compounds from formic acid esters
07/04/2001CN1302284A Method for producing hexanediol-1,6
07/04/2001CN1301685A Method for preparing neo-pentadiol
07/04/2001CN1067973C Process for chlorohydrin tubular reaction
07/04/2001CN1067972C Method for producing tertiary butyl alcohol by using isobutylene from mixed carbon 4 or raffinate oil carbon 4
07/04/2001CN1067970C High aspect ratio saccharide continuous hydrogenation process and equipment
07/03/2001US6255541 Process for the preparation of polyvalent alcohols
07/03/2001US6255357 Production of methanol
07/03/2001CA2213614C Process for the distillation of alcohols
07/03/2001CA2022241C Process for oxidating paraffinic compounds
06/2001
06/27/2001EP1109767A1 Two-stage process for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal
06/27/2001EP1109764A1 Improved processes for making surfactants via adsorptive separation and products thereof
06/27/2001CN1067673C Process for preparing crystalline sorbitol powder
06/21/2001WO2001044158A1 Process for co-production of dialkyl carbonate and alkanediol
06/21/2001WO2001044148A1 Process for the co-production of aliphatic diols and cyclic ethers
06/21/2001WO2001043762A2 Polypeptide compositions with improved stability
06/21/2001US20010004668 By reaction of 2-amino-6-chloropurine with 2-acetoxymethyl-4-(leaving group)-but-1-yl acetate to give 9-(4-acetoxy-3-acetoxymethylbut-1-yl)-2-amino- 6-chloropurine, thereafter hydrolysing or reducing
06/21/2001DE19959153A1 Verfahren zur Herstellung von Alkalimethylaten A process for preparing alkali metal methoxides
06/21/2001DE19956558A1 Konzentrierte, stabile Alkalialkoholatlösungen Concentrated, stable alkali metal alkoxide
06/21/2001CA2394298A1 Process for co-production of dialkyl carbonate and alkanediol
06/21/2001CA2394213A1 Polypeptide compositions with improved stability
06/20/2001EP1108703A1 Fragance composition
06/20/2001EP1108702A1 Process for the co-production of aliphatic diols and cyclic ethers
06/20/2001EP0885183B1 Process for producing aldehydes by hydroformylation of olefins
06/20/2001CN1299803A Oxirane carbonylating process of synthesizing 3-hydrocarbon propional dehyde and 1,3-propanediol
06/20/2001CN1299801A Multiple-section water circulation resin process of preparing para-butanol
06/19/2001US6248924 Process for reacting an organic compound in the presence of a supported ruthenium catalyst
06/19/2001US6248906 Sequence of three steps
06/19/2001US6248795 Process of preparing a mixture of dimethyl ether and methanol from carbon dioxide
06/14/2001WO2001042178A1 Method for producing alkali methylates
06/14/2001WO2001041926A1 Activation and regeneration of a hydro-oxidation catalyst
06/13/2001EP1105363A1 Process for the purification of 1,3-propanediol
06/13/2001EP0915817B1 Method of producing crystalline d-sorbitol
06/13/2001EP0880491B1 Method of obtaining glycols having a low aldehyde content
06/13/2001DE19848548C2 Verfahren zur Aufarbeitung verunreinigter Fettalkohol-Gemische Method for processing contaminated fatty alcohol mixtures
06/13/2001CN1067048C Reactive distillation process and equipment for prodn. of acetic acid and methanol from methyl acetate hydrolysis
06/12/2001US6245953 Method for recovering fluorine-containing solvents
06/12/2001US6245952 Reacting carbonyl substrate with silane compound to reduce substrate in presence of catalytic amounts of active zinc compound, hydrolyzing obtained siloxane with basic agent to form alcohol, separating and purifying alcohol
06/12/2001US6245328 Mixtures and compositions suitable for controlling Hylotrupes bajulus and Pyrrhidium sanguineum
06/06/2001EP1104395A1 Stereoselective ring opening reactions
06/06/2001CN1298381A Method for producing 1,4-butanediol
06/06/2001CN1297873A Method of preparing high-purity octacosyl alcohol with sugar-cane wax
06/06/2001CN1066702C Process for producing 1,4-butanediol
06/05/2001US6242655 Glycol purification
05/2001
05/31/2001WO2001038277A1 Concentrated, stable alkali alcoxide solutions
05/31/2001WO2001038276A1 Process for the production of alkanediol derivatives
05/31/2001WO2001037663A2 Blocking an ethylene response in plants using cyclopropene derivatives
05/30/2001EP1102732A1 Method for oxidizing hydrocarbons
05/30/2001EP0748255B1 Copper catalysts
05/29/2001US6239318 From olefin
05/29/2001US6239314 Odorants
05/29/2001US6239310 Method of recovery of terephthalic acid and ethylene glycol from poly/ethylene terephthalate/wastes
05/29/2001US6239292 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
05/25/2001WO2001036356A2 C13 alcohol mixture and functionalised c13 alcohol mixture
05/23/2001EP1100443A1 Hair treatment preparation
05/23/2001DE19955593A1 C13-Alkoholgemisch und funktionalisiertes C13-Alkoholgemisch C13-alcohol mixture and functionalized C13-alcohol mixture
05/23/2001CN1066130C Process for preparing methanol
05/23/2001CN1066113C Cargo compartment for lighter-than-air vehicle
05/22/2001US6235948 Contacting with acid catalysts and purification