| Patents for C07C 55 - Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms (3,355) |
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| 06/25/1998 | WO1998027029A1 Methods of preparing an intermediate oxidation product from a hydrocarbon by utilizing an activated initiator |
| 06/24/1998 | EP0848695A1 Alkenyl-substituted dicarboxylic acid or anhydride ester derivatives |
| 06/24/1998 | EP0645363B1 Process for producing adipic acid |
| 06/18/1998 | WO1998026449A2 A method for purification of acids for use in semiconductor processing |
| 06/18/1998 | WO1998025882A1 Preparation of nylon salts from diamine carbamates and dicarboxylic acids |
| 06/17/1998 | EP0847980A1 Process for the treatment of reaction mixtures obtained by oxidation of cyclohexane |
| 06/17/1998 | EP0847979A1 Process for the preparation of dicarboxylic acids from the wash waters of cyclohexane oxidation |
| 06/17/1998 | CN1185143A Basic cobaltous carbonates, prodn. method and use thereof |
| 06/17/1998 | CN1184804A Method for processing the mixture from cyclohexane oxidation |
| 06/17/1998 | CN1184802A Method for prepn. of diacid by using washing water from cyclohexane oxidation products |
| 06/16/1998 | US5767329 Heat treating solution containing hexanediol and its precursors to degrade impurities |
| 06/03/1998 | CN1183760A Method for oxidising hydrocarbons, alcohols or ketones using heterogeneous catalyst |
| 05/27/1998 | CN1182733A Method for producing diethyl ester by alcohol dehydration |
| 05/26/1998 | US5756837 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid |
| 05/22/1998 | WO1998020966A1 Methods and devices for controlling the oxidation of a hydrocarbon to an acid by regulating hold-up time in multi-stage arrangement |
| 05/22/1998 | CA2291080A1 Methods and devices for controlling the oxidation of a hydrocarbon to an acid by regulating hold-up time in multi-stage arrangement |
| 05/20/1998 | CN1182074A Production process of solid sodium formate and production process of oxalic acid including the same |
| 05/14/1998 | WO1998019987A1 Manufacture of adipic acid |
| 05/14/1998 | WO1998019789A1 Methods and devices for controlling the oxidation rate of a hydrocarbon by adjusting the ratio of the hydrocarbon to a rate-modulator |
| 05/14/1998 | CA2270532A1 Methods and devices for controlling the oxidation rate of a hydrocarbon by adjusting the ratio of the hydrocarbon to a rate-modulator |
| 05/14/1998 | CA2267603A1 Manufacture of adipic acid |
| 05/12/1998 | US5750791 Producing diamines and diacids |
| 05/06/1998 | EP0804403A4 A method for forming two terminal carboxylic acid groups from an ozonide |
| 04/29/1998 | EP0837842A1 Methods and devices for making intermediate oxidation products by controlling conversions and temperatures in an atomized liquid |
| 04/29/1998 | CN1180342A Cobaltous oxide containing finely-dispersed metallic cobalt, methods of producing same and use thereof |
| 04/15/1998 | EP0666838B1 Process for the preparation of carboxylic acids and esters thereof by oxidative cleavage of unsaturated fatty acids and esters thereof |
| 04/14/1998 | US5739076 Mixing hydrolyzable titanium compound with compounds of silicon, aluminum and an organic nitrogen base, then crystallization yields titanium-containing zeolite beta |
| 04/08/1998 | EP0833809A1 Nitric acid hydrolysis of polyamides |
| 04/07/1998 | US5736492 Alkenyl-substituted dicarboxylic derivatives |
| 04/01/1998 | EP0831768A1 Topical vehicles containing solubilized and stabilized azelaic acid |
| 03/18/1998 | EP0828691A1 Basic cobaltous carbonates, process for preparing the same and their use |
| 03/03/1998 | US5723098 Removal of iron ions from reaction solutions formed during nitric acid oxidation of cyclohexanol to adipic acid in the presence of copper and/or vanadium salts |
| 02/25/1998 | EP0824511A1 Method for manufacture of products containing disalts of formic acid |
| 02/18/1998 | CN1173859A Process for improving the putity of hexane diol-1, 6 |
| 02/18/1998 | CN1173855A Cobaltous oxide containing metallic cobalt, methods for producting the same and use thereof |
| 02/03/1998 | US5714623 Process for the preparation of carboxylic acids and esters thereof by oxidative cleavage of unsaturated fatty acids and esters thereof |
| 01/27/1998 | CA2015632C Stable solutions of rebeccamycin analog and preparations thereof |
| 01/22/1998 | DE19629372A1 Malonic acid or salt preparation |
| 01/21/1998 | EP0819110A1 Method for oxidising hydrocarbons, alcohols or ketones using heterogeneous catalysis |
| 01/21/1998 | CN1170709A Method for recovering useful materials from saponified waste lye |
| 01/20/1998 | US5710325 Manufacture of adipic acid |
| 01/14/1998 | CN1170393A Manufacture of carbonyl fluoride |
| 01/07/1998 | EP0816533A2 Process for preparing butanetetracarboxylic acid |
| 01/07/1998 | CN1169711A Crystallization of adipic acid |
| 12/31/1997 | WO1997049485A1 Methods and devices for oxidizing a hydrocarbon to form an acid |
| 12/31/1997 | CA2258015A1 Methods and devices for oxidizing a hydrocarbon to form an acid |
| 12/29/1997 | EP0711327B1 Aqueous dispersions containing cyclopolymer dispersants |
| 12/18/1997 | WO1997047612A1 Novel thiazolidone-2 derivatives, 4-diketone substituted, method for obtaining them and pharmaceutical compositions containing same |
| 12/18/1997 | WO1997047580A1 Pentenoic acid hydroxycarbonylation method |
| 12/18/1997 | WO1997047572A1 Racemization process for optically active carboxylic acids or salts or esters thereof |
| 12/18/1997 | CA2258085A1 Racemization process for optically active carboxylic acids or salts or esters thereof |
| 12/18/1997 | CA2257275A1 New substituded 2,4-thiazolidinedione derivatives, processes for producing them and pharmaceutical compositions containing them |
| 12/17/1997 | EP0652750B1 Use of alpha,omega-dicarboxylic acids as fibrinogen reducers |
| 12/11/1997 | WO1997046510A1 Method for purifying adipic acid by crystallization |
| 12/11/1997 | WO1997046509A1 Method for purifying adipic acid in water |
| 12/11/1997 | CA2257348A1 Method for purifying adipic acid by crystallization |
| 12/03/1997 | CN1166482A Sodium oxalate producing process and equipment through double-circulation continuous dehydrogenation in triphase fluid bed |
| 11/26/1997 | EP0808294A1 Cobaltous oxide containing metallic cobalt, methods for producing the same and use thereof |
| 11/26/1997 | EP0808293A1 Cobaltous oxide containing finely-dispersed metallic cobalt, methods of producing the same and use thereof |
| 11/11/1997 | US5686638 Process for the preparation of mono- or dicarboxylic acids from aldehydes, from their full acetals or hemiacetals or from mixtures thereof |
| 11/05/1997 | EP0804403A1 A method for forming two terminal carboxylic acid groups from an ozonide |
| 10/29/1997 | CN1163604A Substituted r-biarylbutyric or 5-biarylpentanoic acids and derivatives as matrix metalloprotease inhibitors |
| 10/22/1997 | EP0801637A1 Process for improving the purity of hexane diol-1,6 |
| 10/22/1997 | CN1162954A Preparation of carboxylic acids or related esters by carbonylation in the presence of iridium |
| 10/15/1997 | EP0594608B1 Chiral catalysts for enantioselective synthesis |
| 10/09/1997 | WO1997036673A1 Method for separating a catalyst by membrane electrodialysis |
| 10/08/1997 | EP0799155A1 Manufacture of carbonyl fluoride |
| 10/01/1997 | EP0797562A1 Crystallization of adipic acid |
| 10/01/1997 | CN1160705A Technological process of preparing fatty acid with the side product from sebacid acid production |
| 09/10/1997 | CN1035814C Process for production of dichloroacetic aic |
| 09/09/1997 | US5665323 Preparation of ammonium rare earth double oxalates and rare earth oxides produced therefrom |
| 09/02/1997 | US5662874 Mixing an oxalate ion precursor compound, a water soluble rare earth compound and an ammonium salt to form a double oxalate precipitate and separating |
| 08/27/1997 | EP0790974A1 Substituted 4-biarylbutyric or 5-biarylpentanoic acids and derivatives as matrix metalloprotease inhibitiors |
| 08/20/1997 | EP0789682A1 Catalyst recovery and dialkyl ester synthesis from an adipic acid synthesis waste stream |
| 08/20/1997 | CN1157605A Method of recycling catalyst in reaction involving direct oxidation of cyclohexane into adipic acid |
| 08/07/1997 | WO1997028202A1 Method of producing press-moulding materials with polyisocyanate binders and using latent, heat-activable catalysts |
| 08/07/1997 | WO1997027763A1 Composition and method for producing a salty taste |
| 07/30/1997 | EP0786467A1 Multiple-fucosylated dicarboxylic acids having anti-adhesive properties |
| 07/30/1997 | EP0785919A1 Preparation of carboxylic acids or related esters by carbonylation in the presence of iridium |
| 07/17/1997 | WO1997025452A1 Process for the preparation of tetraalkyl 1,2,3,4-butanetetracarboxylates |
| 07/17/1997 | CA2241652A1 Process for the preparation of tetraalkyl 1,2,3,4-butanetetracarboxylates |
| 07/16/1997 | EP0783479A1 Conversion of nylon 6 and/or nylon 6,6 to adipic acid |
| 07/15/1997 | US5648530 Fluorine compound, carbon monoxide, plasma activation |
| 07/02/1997 | CN1153165A Process for preparing alpha, alpha'-dichloro-hexandioic acid |
| 06/24/1997 | US5641810 Use of α, ω-dicarboxylic acids as fibrinogen sinkers |
| 06/05/1997 | DE19603330C1 Production of wood material, especially chipboard |
| 05/14/1997 | EP0772581A1 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid |
| 04/23/1997 | EP0665828B1 Method for hydroxycarbonylating pentenoic acids |
| 04/23/1997 | CN1034660C Hydroxycarboxylation of pentenoic acid |
| 04/17/1997 | WO1997013723A1 Purifying highly impure calcium hydroxide and producing high-value precipitated calcium carbonate and other calcium products |
| 04/17/1997 | CA2234688A1 Purifying highly impure calcium hydroxide and producing high-value precipitated calcium carbonate and other calcium products |
| 04/16/1997 | EP0662942B1 A process for the preparation of adipic acid and other aliphatic dibasic acids |
| 04/16/1997 | CN1147501A Producing process for rare earth oxide |
| 04/09/1997 | EP0673357B1 Process for the hydrolysis treatment of a material comprising a polymer |
| 04/02/1997 | EP0765857A1 Optically active alpha-substituted carboxylic acid derivative and process for producing the same |
| 04/02/1997 | EP0765855A1 Liquid solutions of dicarboxylic acids |
| 04/01/1997 | US5615827 Flux composition and corresponding soldering method |
| 03/18/1997 | US5612296 Ashless dispersants their preparation and their use |
| 03/13/1997 | WO1997009296A1 Alkenyl-substituted dicarboxylic acid or anhydride ester derivatives |
| 03/13/1997 | CA2230786A1 Alkenyl-substituted dicarboxylic acid or anhydride ester derivatives |