Patents
Patents for C07C 31 - Saturated compounds having hydroxy or o-metal groups bound to acyclic carbon atoms (16,921)
02/1998
02/25/1998CN1174544A Process for preparing 1, 5 -pentanediol derivative
02/25/1998CN1174186A Boiling-preventing and antifreezing coolant for diesel locomotive
02/18/1998CN1173859A Process for improving the putity of hexane diol-1, 6
02/17/1998US5719130 Anthracycline derivative having a trifluoromethylated sugar
02/11/1998CN1172792A Method for preparing butanediol from butydiol through two-step catalyzing hydrogenation
02/04/1998EP0822175A2 Hydrogen-containing fluorosurfactant and its use in polymerisation
02/04/1998CN1172098A Method and equipment for oxidation of cyclohexane and decomposition of cyclohexyl hydroperoxide
02/03/1998US5714639 Double metal cyanide catalysts and methods for making them
02/03/1998US5714602 Decarboxylation of gluconic acid; hydrogenating arabinose; isomerizing arabinitol; separation
02/03/1998CA1339655C Polyols
01/1998
01/29/1998WO1998003457A1 Method of producing crystalline d-sorbitol
01/29/1998WO1998003451A1 Improved lithium and amine dissolving metal reduction
01/29/1998CA2261059A1 Improved lithium and amine dissolving metal reduction
01/28/1998EP0820979A1 Process for the production of arabinitol
01/28/1998EP0592669B1 Optically active trifluorolactic acid derivative and liquid crystal composition
01/28/1998CN1171774A Reactive distillation process and equipment for production of acetic acid and methanol from methyl acetate hydrolysis
01/27/1998US5712410 Gas phase crystallization of dimethyl terephthalate
01/22/1998WO1998002513A1 Substantially odor-free polyhydroxyl solvents
01/22/1998WO1998002428A1 Method for producing natural diol-1,3 derivatives and corresponding natural 1,3-dioxane derivatives
01/22/1998CA2260853A1 Method for producing natural diol-1,3 derivatives and corresponding natural 1,3-dioxane derivatives
01/22/1998CA2260101A1 Substantially odor-free polyhydroxyl solvents
01/21/1998EP0819109A1 Preparation of tetrafluoroethylene
01/21/1998EP0702667B1 Method for preparing difunctional compounds having high enantiomeric purity
01/15/1998WO1998001409A1 Process for the preparation of 4,4,4,-trichlorobutanol
01/15/1998CA2257274A1 Process for the preparation of 4,4,4,-trichlorobutanol
01/14/1998CN1170399A Purification of 1, 3-propanediol
01/13/1998US5708068 (meth)acrylic acid copolymers with pendant oxyalkylene groups
01/08/1998WO1998000383A1 Process for the preparation of cyclohexanedimethanol
01/07/1998EP0815157A1 Process for preparing residues containing dihydroxy compounds
01/07/1998EP0815097A1 Method of producing 1,4-butanediol and tetrahydrofuran from furan
01/07/1998EP0553222B1 Liquid xylitol
01/07/1998CN1169748A Perfume composition
01/06/1998US5705715 Oligoesterification; catalytic hydrogenation
01/06/1998US5705707 Preparation of n-butyraldehyde and/or n-butanol
01/06/1998US5705372 Enzymatic process for the preparation of flavours, in particular the ionones and C6 to C10 aldehydes
12/1997
12/31/1997WO1997049659A1 Method for producing xylitol
12/31/1997WO1997049658A1 Method for producing xylitol
12/31/1997CN1036846C Method for preparing diethers
12/31/1997CA2259003A1 Method for producing xylitol
12/31/1997CA2258866A1 Method for producing xylitol
12/29/1997EP0814098A2 Process for the conversion of an organic compound in the presence of a supported ruthenium-catalyst
12/29/1997EP0814055A2 Combustion gas exhaust duct for a steam reformer
12/29/1997EP0813906A2 Process for converting an organic compound in presence of a supported ruthenium catalyst
12/24/1997WO1997048667A1 Process for making 2,3-dihalopropanols
12/18/1997WO1997047575A1 Synthesis of haloalkynol
12/18/1997CA2257998A1 Synthesis of haloalkynol
12/16/1997US5698749 Pretreating carbon support with oxidizing agent; heating under reducing conditions
12/16/1997US5698744 Process for the selective oxidation of compounds
12/11/1997WO1997046209A1 Aqueous nacreous lustre concentrate
12/11/1997CA2257257A1 Aqueous nacreous lustre concentrate
12/10/1997EP0810993A1 Reagent, compound and method for nucleophile perfluoroalkylation, and resulting derivatives
12/09/1997US5696303 Process for the preparation of aliphatic α, ω-diols
12/09/1997US5696300 Propofol purification
12/04/1997WO1997045391A1 Process for preparing optically active alcoholic compounds
12/04/1997DE19621681A1 Wäßrige Perlglanzkonzentrate Aqueous pearlescent concentrates
12/03/1997EP0810292A1 Process for the preparation of D-arabitol
12/03/1997EP0810193A2 Process for the catalytic preparation of alkali metal alcoholates
12/03/1997EP0674612B1 Fluorinated monomers and polymers
12/03/1997EP0664732B1 Support catalyst and use of same
12/03/1997CN1166377A Phosphoric acid catalyst and its use
12/02/1997US5693190 Recovery of glycols from used antifreeze compositions by distillation
11/1997
11/29/1997CA2206389A1 Process for preparing d-arabitol
11/27/1997WO1997039739A3 Polyol composition
11/26/1997CN1165804A Process for preparation of pentaerythritol
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
11/20/1997CA2255914A1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran
11/19/1997EP0807615A1 Pressed articles of pyrogenically prepared silicon dioxide
11/19/1997EP0807120A1 Ruthenium hydrogenation catalysts
11/19/1997EP0807098A1 Improved process for reductive hydrolysis of nitriles
11/18/1997US5689003 Ruthenium hydrogenation catalysts
11/18/1997US5688522 Ointment for wound treatment
11/13/1997CA2412715A1 Methods for use of water-stabilized organosilanes
11/11/1997CA2007813C Preparation of isopropanol
11/05/1997EP0804402A1 Organic compounds and processes for their manufacture
11/05/1997EP0804396A1 Process and catalyst for the direct hydrogenation of carboxylic esters
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
11/04/1997US5684153 Process for the preparation of purine derivatives
10/1997
10/30/1997WO1997039997A1 Processes for producing 1,6-hexanediols
10/30/1997WO1997039739A2 Polyol composition
10/30/1997WO1997032915A3 Method of reprocessing residues containing dihydroxy compounds
10/29/1997CN1163259A Catalystic rectification and hydrolization technology and equipment for methyl acetate
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
10/23/1997DE19625189C1 Two-stage catalytic hydrogenation of butyne-diol to butane-diol
10/23/1997DE19615418A1 Polyol-Zusammensetzung Polyol composition
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
10/22/1997CN1162952A 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
10/15/1997EP0801049A2 Cyclopentanebutanol derivatives as odorants
10/15/1997EP0800502A1 Reactive distillation process and equipment for the production of acetic acid and methanol from methyl acetate hydrolysis
10/15/1997EP0711267B1 Process for producing 1,4 butane diol
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