Patents
Patents for C07C 55 - Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms (3,355)
03/1997
03/13/1997CA2185089A1 Process for the recovery of catalysts in adipic acid production
03/12/1997EP0761636A1 Recovery of catalysts from adipic acid production
03/12/1997CN1144846A Production technology of sodium citrate
02/1997
02/26/1997EP0711270A4 Cyclopolymerisation monomers and polymers
02/26/1997CN1143948A Process for production of cyclohexyladipates and adipic acid
02/12/1997CN1142485A Circulation use of production of phenol from sebacic acid
02/11/1997CA1338905C Fermentation and purification process for succinic acid
02/05/1997EP0621861B1 A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof
02/05/1997CN1142202A Process for producing an iridium solution and use of same as catalyst
02/04/1997CA2067055C Process for preparing adipic acid through hydrocarboxylation of pentenic acids
02/04/1997CA1338893C Polymeric dispersants having alternating polyalkylene and succinic groups
01/1997
01/21/1997US5595714 Complexing gadolinium with polyaminocarboxylic acids, acidification, adding oxalate ions, filtration the gadolinium oxalate, basification and precipitation
01/15/1997EP0619803B1 Process for the manufacture of adipic acid
01/09/1997WO1997000846A1 Nitric acid hydrolysis of polyamides
01/07/1997US5591893 Ozonolysis; oxidation with hydrogen peroxide
01/01/1997CN1139420A Production of NO from N2O
12/1996
12/27/1996EP0749953A1 Preparation of chiral alpha-halocarboxylic acids
12/24/1996US5587511 Process for obtaining adipic acid
12/24/1996US5587056 Forming anhydride from aliphatic diacids
12/19/1996WO1996040610A1 Methods and devices for making intermediate oxidation products by controlling conversions and temperatures in an atomized liquid
12/19/1996CA2224177A1 Methods and devices for making intermediate oxidation products by controlling conversions and temperatures in an atomized liquid
12/18/1996EP0748326A1 Optically active diphosphines and method for preparing same by resolution of the racemic mixture
12/18/1996EP0748309A1 Process for the production of cyclohexyladipates and adipic acid
12/18/1996EP0700426A4 Ashless dispersants, their preparation, and their use
12/18/1996CN1138319A Process for the preparation of an aldehyde
12/12/1996WO1996039119A1 Topical vehicles containing solubilized and stabilized azelaic acid
12/12/1996CA2223383A1 Topical vehicles containing solubilized and stabilized azelaic acid
11/1996
11/28/1996WO1996037437A1 Basic cobaltous carbonates, process for preparing the same and their use
11/20/1996EP0743283A2 Recovery of gadolinium and its complexing agents from aqueous solutions containing their complexes
11/20/1996EP0742788A1 Process for the preparation of a linear formyl compound
11/14/1996WO1996035657A1 Method for manufacture of products containing disalts of formic acid
11/13/1996EP0741667A1 Production of no from n 2?o
10/1996
10/16/1996EP0737103A1 Process for producing an iridium solution and use of same as catalyst.
10/15/1996US5565610 Crystalline composition of lysine and succinic acid or alkali metal salt thereof
10/15/1996CA2061620C Salts of fatty amines and polyfluorocarboxylic acids, and their use as lubricant additives
10/10/1996WO1996031455A1 Method for oxidising hydrocarbons, alcohols or ketones using heterogeneous catalysis
10/10/1996CA2215472A1 Method for oxidising hydrocarbons, alcohols or ketones using heterogeneous catalysis
10/08/1996US5563290 Hydrogenating an itaconic acid compound in presence of rhodium compound and a 2,2?-bis(hydrocarbon residue-substituted) phosphine substituted alkyl)-1,1?-biferrocene compound
10/02/1996CN1132503A Method for preparing of mono or Di-2-substituted cyclopentanone
09/1996
09/25/1996CN1131658A Process for obtaining adipic acid
09/25/1996CN1032850C Method for preparing caustic soda with mirabilite
09/18/1996CN1131140A Method for preparation of dichloracetyl chloride
08/1996
08/21/1996CN1129210A Process for production of dichloroacetic acid
08/15/1996WO1996024557A1 Cobaltous oxide containing metallic cobalt, methods for producing the same and use thereof
08/15/1996WO1996024556A1 Cobaltous oxide containing finely-dispersed metallic cobalt, methods of producing the same and use thereof
08/15/1996CA2212635A1 Cobaltous oxide containing finely-dispersed metallic cobalt, methods of producing the same and use thereof
08/14/1996DE19504319A1 Feinverteiltes metallisches Kobalt enthaltendes Kobalt(II)-Oxid, Verfahren zu seiner Herstellung sowie dessen Verwendung Finely divided metallic cobalt containing cobalt (II) oxide, to processes for its preparation and its use
08/06/1996US5543565 Method for forming two terminal carboxylic acid groups from an ozonide
08/01/1996WO1996022963A1 Crystalline composition of lysine and succinic acid or alkali metal salt thereof
07/1996
07/31/1996CN1127744A Method for seperating fatty bi-acid from mixture of fatty bi-acid and adipic acid
07/25/1996WO1996022271A1 A method for forming two terminal carboxylic acid groups from an ozonide
07/25/1996DE19504320C1 Verfahren zur Herstellung von Kobaltmetall-haltigem Kobalt(II)-Oxid sowie dessen Verwendung A process for the production of cobalt metal-containing cobalt (II) oxide and the use thereof
07/24/1996EP0722432A1 Method for preparing of mono or di-2-substituted cyclopentanone
07/24/1996CN1127246A Method for preparation of mono-and-binary-carboxyl from unsatured fatty acid and/or its derivative
07/24/1996CN1032358C Process for preparing hexanedioic acid by hydro-carboxylation of pentenoic acid
07/23/1996US5539135 Reaction of fatty acid with hydrotalcite and other minerals, catalyst for the addition of ethylene and propylene oxides to active hydrogen compounds
07/23/1996CA2058043C Process for preparing adipic acid by hydroxycarboxylation of pentenoic acids
07/23/1996CA2052442C Process for preparing adipic acic by hydrocarboxylation of pentenic acids
07/17/1996EP0721779A2 Combination of active agents, against superinfections, containing a mixture of wool wax acids and alpha-omega alkanoic dicarboxylic acids
07/11/1996WO1996020909A1 Process for improving the purity of hexane diol-1,6
07/11/1996DE19500236A1 Verfahren zur Verbesserung der Hexandiol-1,6-Reinheit A process for improving the purity of 1,6-hexanediol
07/10/1996EP0609374A4 Contrast agents and compositions for radiological imaging, and radiological imaging method utilizing same.
07/04/1996WO1996020202A1 Optically active diphosphines and method for preparing same by resolution of the racemic mixture
07/02/1996US5531838 Flux composition and corresponding soldering method
06/1996
06/27/1996WO1996019409A1 Manufacture of carbonyl fluoride
06/20/1996WO1996018597A1 Crystallization of adipic acid
06/19/1996CN1032060C Process for separating naphthenic acid from heavy lubricating-oil distillation
06/18/1996US5527959 Mixing lysine hydrochloride and succinate compound in aqueous solution, heating at reduced pressure, cooling and separating; table salt replacement
05/1996
05/23/1996WO1996015096A1 Substituted 4-biarylbutyric or 5-biarylpentanoic acids and derivatives as matrix metalloprotease inhibitiors
05/22/1996EP0712830A1 Process for the recovery of adipic acid
05/22/1996CN1122738A Flux composition and corresponding soldering method
05/19/1996CA2162833A1 Process for obtaining adipic acid
05/17/1996WO1996014288A1 Catalyst recovery and dialkyl ester synthesis from an adipic acid synthesis waste stream
05/15/1996EP0711327A1 Aqueous dispersions containing cyclopolymer dispersants
05/15/1996EP0711270A1 Cyclopolymerisation monomers and polymers
05/15/1996CN1031793C Technology for recovering cis-anhydride with n-butyl alcohol as solvent
05/08/1996EP0573475B1 Basic calcium aluminium hydroxide dicarboxylates, method for preparing them and use thereof
04/1996
04/18/1996WO1996011179A1 Preparation of carboxylic acids or related esters by carbonylation in the presence of iridium
04/04/1996WO1996010008A1 Conversion of nylon 6 and/or nylon 6,6 to adipic acid
04/03/1996CN1119855A Carboxylic acid isomerisation method
03/1996
03/26/1996US5502243 Forming ethylidene diacetate from dimethyl ether, methanol and synthesis gas
03/20/1996EP0701990A1 Hydrocarbonylation of dimethyl ether
03/20/1996EP0701989A1 Process for preparing mono- and dicarboxylic acids from unsaturated fatty acids and/or their derivatives
03/17/1996CA2158409A1 Process for the preparation of mono- and dicarboxylic acids from unsaturated fatty acids and/or derivatives thereof
03/13/1996EP0700892A1 Process for preparing mono- or dicarboxylic acids from aldehydes, their acetals or hemi-acetals as well as from their mixtures
03/13/1996EP0700426A1 Ashless dispersants, their preparation, and their use
03/05/1996US5496809 Of water, 8-n-(diethylaminoethyl)rebeccamycin and a pharmaceutically acceptable acid
03/05/1996US5496480 Propylene polymers; lubricating oil additives
02/1996
02/21/1996EP0647207A4 SUPERCONDUCTING OXIDES BY COPRECIPITATION AT CONSTANT pH.
02/14/1996EP0504322B1 Partially fluorinated compounds and polymers
02/08/1996WO1996003365A1 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid
02/08/1996CA2195576A1 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid
01/1996
01/10/1996EP0690836A1 Carboxylic acid isomerisation method
12/1995
12/21/1995WO1995034525A1 OPTICALLY ACTIVE α-SUBSTITUTED CARBOXYLIC ACID DERIVATIVE AND PROCESS FOR PRODUCING THE SAME
12/20/1995EP0687663A1 Process for separating aliphatic dicarboxylic acids from their mixtures with adipic acid
12/19/1995CA2077542C Chiral catalysts for enantioselective synthesis
12/06/1995EP0685294A1 Flux composition and corresponding soldering method
12/06/1995EP0655951A4 Static condition process for the preparation of phosphorus/vanadium oxidation catalyst.
12/05/1995US5472680 Decomposition by controlled heating
11/1995
11/29/1995CN1112458A Process for the preparation of an iridium-based solution, solution obtained and use of the latter as catalyst
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