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)
12/1997
12/04/1997WO1997045390A1 Process for preparing 1,3-alkanediols
12/04/1997DE19622187A1 Verfahren zur Herstellung von Isocamphyl-cyclohexanolen A process for preparing isocamphyl-cyclohexanols
12/04/1997CA2255755A1 Absolute molecular weight polymers and methods for their use
12/03/1997EP0810292A1 Process for the preparation of D-arabitol
12/03/1997EP0810193A2 Process for the catalytic preparation of alkali metal alcoholates
12/03/1997EP0809626A1 PRODUCTION OF ENANTIOMERICALLY ENRICHED ORTHO-SUBSTITUTED $g(a),$g(a)-DIAROMATIC METHANOLS
12/03/1997EP0664732B1 Support catalyst and use of same
12/03/1997CN1166822A Preparation of halogenated alcohols
12/03/1997CN1166491A Preparation and use of (3-alkoxyphenyl) magnesium chlorides
12/03/1997CN1166480A Method for preparing aromatic carboxylic acids, aromatic aldehydes, and aromatic alcohols
12/03/1997CN1166377A Phosphoric acid catalyst and its use
12/02/1997US5693820 Ruthenium complexes with a chiral, bidentate phosphine/oxazoline ligand for enantioselective transfer hydrogenation of prochiral ketones
12/02/1997US5693194 Using as extractive agent dimethyl sulfoxide, sulfolane, dimethylformamide, 1-methyl-2-pyrrolidinone, 1,4-dioxane, phenetol, ethyl lactate, 3-methyl-2-butanone, alcohols
12/02/1997US5693190 Recovery of glycols from used antifreeze compositions by distillation
11/1997
11/29/1997CA2206389A1 Process for preparing d-arabitol
11/27/1997WO1997044302A1 Process for preparing a c2-6-alkanol containing from two to four hydroxyl groups
11/27/1997DE19720344A1 Converting (m)ethane into oxidation products
11/26/1997EP0575550B1 Recovery of phytic and/or lactic acid and direct retrieval of inositol
11/26/1997CN1165804A Process for preparation of pentaerythritol
11/25/1997US5691268 Alkali metal promoted, lanthanium stabilized cuprate aluminate
11/25/1997CA2134096C Enantioselective oxazaborolidine catalysts
11/20/1997WO1997043242A1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran
11/20/1997WO1997043234A1 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
11/20/1997DE19618443A1 Verfahren zur Herstellung von Allit aus Saccharose und dessen Verwendung als Süßungsmittel A process for preparing allitol of sucrose and its use as a sweetener
11/20/1997CA2255914A1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran
11/19/1997EP0807618A2 A method for preparing aromatic carboxylic acids, aromatic aldehydes and aromatic alcohols
11/19/1997EP0807617A1 Process for preparing 1,5-pentanediol derivative
11/19/1997EP0807615A1 Pressed articles of pyrogenically prepared silicon dioxide
11/19/1997EP0807464A1 A modified raney nickel catalyst and a process for preparing diols by using the same
11/19/1997EP0807120A1 Ruthenium hydrogenation catalysts
11/19/1997EP0807098A1 Improved process for reductive hydrolysis of nitriles
11/19/1997EP0724480B1 Catalytic process
11/19/1997CN1165054A Hydrogenation catalyst precursor, hydrogenationc atalyst and production process for alcohols
11/18/1997US5689017 Preparation of a monolithium acetylide/ammonia complex
11/18/1997US5689016 Cobalt-catalyzed process for preparing alkanediols using a rhodium promoter
11/18/1997US5689003 Ruthenium hydrogenation catalysts
11/13/1997WO1997042339A1 Process for producing allite from saccharose and its use as a sweetener
11/13/1997WO1997042152A1 Vitamin d analogs and methods of preparing these compounds
11/11/1997US5686586 Polycyclic aromatic derivatives, process for preparing the same and pharmaceutical and cosmetic compositions containing the same
11/11/1997CA2007813C Preparation of isopropanol
11/09/1997CA2203485A1 Method for reducing uv absorption in ethylene glycols, water, and mixtures
11/05/1997EP0804402A1 Organic compounds and processes for their manufacture
11/05/1997EP0804400A1 Hydroformylation of a multi-component feed stream
11/05/1997EP0804398A1 Hydroformylation process
11/05/1997EP0804397A1 Oxygenates and processes for their manufacture
11/05/1997EP0804396A1 Process and catalyst for the direct hydrogenation of carboxylic esters
11/05/1997EP0605735B1 Process for producing alkadienol
11/05/1997EP0563388B1 Recovery of optical isomer and solvent in optical resolution, reuse of solvent by recycling, and reuse of optical isomer
11/04/1997USH1697 Continuous process for sodium methylate
11/04/1997US5684216 Heteropolyacid catalyst
11/04/1997US5684215 Catalytic reduction of aldehydes or ketones with hydrogen in the presence of nickel on alumina and zirconia
11/04/1997US5684214 Contacting ethylene oxide with a synthesis gas to produce 3-hydroxypropanal and contacting 3-hydroxypropanal with hydrogen to produce 1,3-propanediol
11/04/1997US5684167 Process for producing 2-hydroxy-4-methyltetrahydrofuran
10/1997
10/30/1997WO1997040003A1 Processes for producing 1,6-hexanedials and derivatives
10/30/1997WO1997040002A1 Processes for producing alkenals and alkenols
10/30/1997WO1997040001A1 Processes for producing hydroxyaldehydes
10/30/1997WO1997040000A1 Processes for producing hydroxyaldehydes
10/30/1997WO1997039998A1 Processes for producing 1,6-hexanediols
10/30/1997WO1997039997A1 Processes for producing 1,6-hexanediols
10/30/1997WO1997039996A1 Processes for producing alkenols
10/30/1997WO1997039995A1 Processes for producing unsaturated alcohols
10/30/1997WO1997032915A3 Method of reprocessing residues containing dihydroxy compounds
10/30/1997DE19616822A1 Catalysed reaction of organic compounds, especially hydrogenation
10/30/1997CA2252479A1 Processes for producing hydroxyaldehydes
10/30/1997CA2252478A1 Processes for producing hydroxyaldehydes
10/29/1997EP0803488A2 Process for reacting an organic compound in the presence of a ruthenium catalyst formed in situ
10/29/1997EP0802893A1 Process for the production of methanol
10/29/1997EP0744990B1 Process for removing ethylene oxide from outgoing air or exhaust gas streams
10/29/1997EP0724552B1 Process for preparing a chiral tetralone
10/29/1997CN1163255A Process for producing methanol
10/28/1997US5681971 Synthesis of fatty N-alkyl amides
10/23/1997WO1997038972A1 Process for manufacturing sulphates of longer chain branched alkanols and alkoxylated alkanols
10/23/1997WO1997038960A1 D-mannitol and its preparation
10/23/1997WO1997038957A1 Branched surfactant manufacture
10/23/1997WO1997038956A1 Process for the manufacture of surfactants containing branch chain alkyl groups
10/23/1997WO1997038955A1 Supercritical hydrogenation
10/23/1997DE19625189C1 Two-stage catalytic hydrogenation of butyne-diol to butane-diol
10/23/1997CA2251693A1 Supercritical hydrogenation
10/23/1997CA2251092A1 D-mannitol and its preparation
10/22/1997EP0802174A2 Process for the preparation of hydroxymethylcyclopropane
10/22/1997EP0801637A1 Process for improving the purity of hexane diol-1,6
10/22/1997EP0763005A4 TETRAHYDROINDENO[1,2-d][1,3,2]OXAZABOROLES AND THEIR USE AS ENANTIOSELECTIVE CATALYSTS
10/22/1997CN1162952A Process for the removal of color forming material from 1,x butanediol and its application to the preparation of ptmeg
10/22/1997CN1162951A Process and catalyst for the direct hydrogenation of carboxylic esters
10/22/1997CN1162931A Device for bringing pourable solids into contact with gases or liquids
10/22/1997CN1162503A Use of catalysts based on catalyst supports containing silicon dioxide for catalytic reactions under hydrothermal conditions
10/21/1997US5679854 Forming intermediate (e)-n-(2-(fluoromethylene)-4-(p-fluorophenyl)butyl)-n-formyl formamide; hydrolysis
10/15/1997EP0801050A1 Process for the preparation of acetic acid
10/15/1997EP0801048A1 Process for producing benzhydrols
10/15/1997EP0711267B1 Process for producing 1,4 butane diol
10/15/1997CN1162295A Synthetic swelling clay minerals
10/14/1997US5677168 Enantioselective enzymatic hydrolysis using lipase from horse liver acetone powder, pseudomonas or candida to give mixture of unhydrolyzed r-acetate and s-alcohol
10/09/1997WO1997036846A1 Process for the purification of butane-1,4-diol
10/08/1997EP0799814A2 Method for the hydrogenation of aromatic compounds containing at least one hydroxyl group bound to an aromatic nucleus
10/08/1997EP0799174A1 Biocidal alcohols, their production and their use
10/08/1997CN1161685A Process for preparing 1,3-alkanediols and 3-hydroxyaldehydes
10/08/1997CN1161320A Ethylene glycol process
10/07/1997US5675038 Providing a polyamine in the solution in addition to the lithium and alkylamine to speed the reaction
10/07/1997CA2028385C Process for the preparation of cyclohexanol derivatives
10/02/1997WO1997035827A1 Production of acetic acid from methane