Patents
Patents for C07C 29 - Preparation of compounds having hydroxy or o-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring (31,270)
05/1997
05/14/1997EP0773063A1 Raney catalyst, process for producing it and process for producing a sugar-alcohol using the same
05/13/1997US5629459 Hydrating olefins to corresponding alcohols using heteropolyacid catalyst supported on clay
05/13/1997US5629458 Process for the preparation of 2 2 2 trifluoroethanol
05/13/1997US5629423 Asymmetric synthesis of chiral secondary alcohols
05/09/1997WO1997016473A1 Polyesters and processes for preparing same
05/09/1997WO1997016466A1 Polyurethane (meth)acrylates and processes for preparing same
05/09/1997WO1997016401A1 Reaction mixtures containing substituted hydrocarbon diols and processes for the preparation thereof
05/09/1997WO1997016398A1 Coproduction of vinylidene alcohols and vinylidene hydrocarbons
05/09/1997WO1997016250A1 Process for preparing 1,3-propanediol
05/09/1997CA2235812A1 Coproduction of vinylidene alcohols and vinylidene hydrocarbons
05/07/1997EP0771778A2 Process for producing all trans-form polyprenols
05/07/1997EP0771345A1 Unsaturated fats with improved low-temperature behaviour
05/07/1997DE19648887A1 Two-stage prodn. of high-purity, anhydrous ethylene chlorohydrin
05/07/1997CN1149313A Unsaturated fatty substances with improved cold behaviour
05/06/1997US5627295 Synthesis of higher alcohols
05/06/1997US5626847 Method of purifying cyclitols
05/02/1997EP0770671A2 Cyclopentylidene-cyclopentanol in perfumery
05/02/1997EP0770049A1 Process and catalyst for the selective hydrogenation of butine diol to butene diol
05/01/1997WO1997015543A1 Hydroformylation process
05/01/1997WO1997015542A1 Process for purifying a 2,6-dialkylphenol
05/01/1997CA2234606A1 Hydroformylation process
05/01/1997CA2189193A1 Process for producing all trans-form polyprenols
04/1997
04/30/1997CN1148597A Method for preparation of xylitol
04/29/1997CA2114139C Continuous process for the preparation of 2-ethyl-2- (hydroxymethyl) hexanal and 2-butyl-2-ethyl-1,3-propanediol
04/24/1997WO1997014500A1 Chiral solid catalyst, its preparation and its use for the production of substantially enantiomerically pure products
04/23/1997EP0769042A1 Unsaturated fatty substances with improved cold behaviour
04/23/1997EP0769000A1 A process (ii) for making potassium formate
04/22/1997US5623090 Passing mixture of hydrogen, oxygen, hydrocarbon through bed of catalyst comprising titanium dioxide having ultrafine gold particles deposited thereon to oxidize said hydrocarbon with oxygen
04/22/1997US5622858 Arthrobacter strain producing esterase for the enantioselective cleavage of 1-arylalkyl esters
04/17/1997WO1997013763A1 Asymmetric synthesis catalyzed by transition metal complexes with new chiral ligands
04/17/1997DE19605778C1 High yield 3-alkoxy-phenyl-magnesium chloride prepn. used in alcohol prepn.
04/16/1997EP0768292A1 Process for decomposing cycloalkyl hydroperoxide
04/16/1997EP0768291A2 Process for the separation of a mixture of benzyl chloride, benzyl alcohol, dibenzyl ether and aqueous hydrochloric acid
04/16/1997EP0768290A1 Process for producing mixtures of methanol and higher alcohols
04/16/1997EP0768288A2 Process for preparing optically active cyclohexanol derivatives
04/16/1997EP0767771A1 Chlorohydrin process
04/16/1997EP0767770A1 Method for preparing alkylating agents and their use for alkylating cyclic ureas
04/16/1997EP0767769A1 Method of producing 1,4-butanediol
04/16/1997EP0627959B1 Method of conducting catalytic converter multi-phase reaction
04/16/1997CN1147499A Prepn of cyclohexanol and cyclohexanone
04/16/1997CN1147498A Process for preparing d,1-menthol from d-methol
04/16/1997CN1147497A Organically synthesized biochemical glycerine and its prodn process
04/15/1997US5620569 Oxidation, reduction and cyclization
04/15/1997CA2186820A1 Method for the production of tetritols, specifically meso-erythritol
04/09/1997EP0767159A1 Method for the production of tetritols, specifically meso-erythritol
04/09/1997CN1147241A Diaphragm reactor for converting gaseous base materials
04/09/1997CN1146984A Preparation of alkenes by partial hydrogenation of alkynes over fixed-bed palladium catalysts
04/08/1997US5618985 Reacting 2-ethylhexanal and solid paraformaldehyde in presence of alkali metal or alkaline earth metal hydroxide catalyst and cationic phase transfer catalyst promoter
04/08/1997US5618573 Production of vodka by supercooling technology
04/03/1997WO1997011929A1 Low metal ion containing 4,4'-(1-(4-(1-(4-hydroxyphenyl)-1-methylethyl)phenyl)ethylidene)bisphenol and photoresist compositions therefrom
04/03/1997WO1997011928A1 Methanol process for natural gas conversion
04/02/1997EP0765303A1 Method for the manufacture of halogenoalcanols
04/02/1997EP0765192A1 Intermetallic ruthenium-tin catalyst for use in aldehyde synthesis
04/02/1997EP0680377B1 Catalysts with highly dispersed active components
04/02/1997EP0625135B1 Method of purifying glycerin water
04/02/1997CN1146760A Processes for producing 'alpha'-halo ketones, 'alpha'-halohydrine and epoxides
04/01/1997US5616817 Preparation of 1,2-propanediol
04/01/1997US5616815 Reacting with water in the vapor phase in the presence of a catalyst system comprising a heteropolyacid catalyst supported on niobia
04/01/1997US5616744 19-Nor-vitamin D compounds
04/01/1997US5616654 1,3-diols obtained by alkaline oxidative hydrolysis of an intermediate borate ester
03/1997
03/27/1997WO1997011045A1 Process for producing 2-cyclohexen-1-ol
03/27/1997WO1997011044A1 Process for separating solids from aqueous 1,4-butyne diol solutions
03/27/1997DE19535450A1 Verfahren zur Abtrennung von Feststoffen aus wäßrigen 1,4-Butindiollösungen Process for the separation of solids from aqueous 1,4-Butindiollösungen
03/27/1997CA2230118A1 Separation of solids from aqueous 1,4-butynediol solutions
03/20/1997WO1997010194A1 Process for the ammonia and methanol co-production
03/20/1997CA2229609A1 Process for the ammonia and methanol co-production
03/19/1997EP0763513A2 Production of optically active 2-halo-1-(substituted phenyl)-ethanol and substituted styrene oxide
03/19/1997EP0763005A1 TETRAHYDROINDENO[1,2-d][1,3,2]OXAZABOROLES AND THEIR USE AS ENANTIOSELECTIVE CATALYSTS
03/19/1997CN1145594A Intermetallic ruthenium-tin catalyst for use in aldehyde synthesis
03/18/1997US5611930 Cellulose ester blend membranes, process for making same and their use
03/13/1997WO1997009292A1 Process for the preparation of 4-bromo-1,1-difluorobut-1-ene and 2,4-dibromo-1,1,1-trifluorobutane
03/12/1997EP0761629A1 Aliphatic unsaturated compounds, process for their preparation as well as their use as fragrances
03/12/1997EP0761628A1 Method for producing 3,7-dimethyl-5,7-octadiene-1-ol or rose oxide
03/12/1997EP0761300A2 Feed control in the manufacture of methyl tertiary butyl ether
03/12/1997EP0673355B1 Method for preparing octadienols
03/11/1997US5610202 Metal oxides, halides, alkoxides
03/06/1997WO1997008121A1 Zinc containing chemical product and method of making same
03/06/1997WO1997008120A1 Process for separating butanol and dibutyl ether by means of dual-pressure distillation
03/06/1997WO1997008119A1 Process for preparing cyclohexanol and cyclohexanone
03/06/1997DE19634857A1 Prepn. of carbon mon:oxide and hydrogen@
03/06/1997DE19531787A1 Verfahren zur Abtrennung von Butanol und Dibutylether mit Hilfe einer Zweidruckdestillation A process for separating butanol and dibutyl ether by means of a two-pressure distillation
03/06/1997CA2230241A1 Zinc containing chemical product and method of making same
03/06/1997CA2227280A1 Separating off butanol and dibutyl ether with the aid of a two-pressure distillation
03/05/1997EP0759915A1 Asymmetric synthesis of chiral secondary alcohols
03/05/1997EP0759896A1 Alcohol preparation process
03/05/1997EP0637313B1 Process for the distillatory separation of alcohols
03/05/1997CN1144215A Process for preparation of d,1-menthol
03/05/1997CN1144214A Method for synthesizing methyl alcohol
03/04/1997US5608128 Production methods of 1,1,1,4,4,4-hexsfluoro-2-butene compounds and 1,1,1,4,4,4,-hexafluorobutane
03/04/1997US5608123 Process for catalytic hydration of olefins
03/04/1997US5608122 Process for preparing wax esters and hydrogenation of wax esters to fatty alcohols
03/04/1997US5608121 Process for producing polyhydric alcohol
03/04/1997US5608088 Process for producing 3,4-caranediol
03/04/1997US5608054 Porphyrins and metal complexes thereof having haloalkyl side chains
02/1997
02/27/1997WO1997007085A1 Process for the preparation of 1,4-butenediol
02/26/1997EP0759021A1 Process for the preparation of optically active 2-arylcyclohexanols
02/26/1997EP0701479B1 Process for the hydrogenation of carboxylic acid esters
02/26/1997EP0698028B1 Enantioselective oxazaborolidine catalysts
02/19/1997CN1143065A Method for preparing carboxymethyl cyclopropane
02/19/1997CN1034070C Isobaric combination producing apparatus for methanol and ammonia