| Patents for C07C 55 - Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms (3,355) |
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| 01/07/2003 | CA2079763C Process for the preparation of adipic acid by hydrocarboxylating pentenic acids |
| 01/02/2003 | EP1268496A1 Water soluble chiral diphosphines |
| 01/02/2003 | EP1268460A2 Oxidaton of 5-(hydroxymethyl) furfural to 2,5-diformylfuran and subsequent decarbonylation to unsubstituted furan |
| 01/02/2003 | EP1268384A1 Method for oxidising hydrocarbons into acids |
| 12/31/2002 | US6500398 Method and apparatus for decomposing N2O |
| 12/31/2002 | CA2232520C Method for oxidising hydrocarbons,alcohols and/or ketones |
| 12/18/2002 | CN1096420C Producing process for rare-earth oxide and rareearth oxide obtained by same |
| 12/12/2002 | WO2002098792A1 Method of separating acid |
| 12/12/2002 | WO2002064543A3 Novel succinate salt of o-desmethyl-venlafaxine |
| 12/04/2002 | EP1003707B1 Malonic acid and esters thereof |
| 11/28/2002 | DE10124641A1 New isotopically marked oxalyl fluoride compounds useful for production of tracer materials in organic chemistry, polymer chemistry and medicine |
| 11/27/2002 | EP1259473A1 Method for producing chlorocarboxylic acid chlorides |
| 11/27/2002 | CN1094922C Method for preparing oxalic acid by using diethyl oxalate |
| 11/27/2002 | CN1094903C Cobaltous oxide (II) containing meallic cobalt, method for producing the same and use thereof |
| 11/20/2002 | EP1082328B1 Production of optically active phospholanes |
| 11/12/2002 | US6478965 Recovery of fermentation salts from dilute aqueous solutions |
| 10/31/2002 | US20020158225 Carboxylic acids, phenols, half esters of sulfuric acid, acidic hydroxy compounds etc, and the cationic counterions such as oxonium ions, sulfonium ions etc. |
| 10/30/2002 | CN1377422A Improved fermentation process |
| 10/30/2002 | CN1377292A Recovery process for volatile compounds from solids in aqueous solution |
| 10/23/2002 | CN1093115C Dicarboxylic acid crystallizates |
| 10/15/2002 | US6465680 Process for preparing malonate derivatives or β-keto esters from epoxide derivatives |
| 10/10/2002 | WO2002078924A2 Metal salts of hexahydrophthalic acid as nucleating additives for crystalline thermoplastics |
| 10/09/2002 | CN1373789A Thermal separation method for mixing polymers |
| 10/08/2002 | CA2282570C Low water diamine/dicarboxylic acid salt preparation |
| 09/25/2002 | EP0968167B1 Process for the preparation of dicarboxylic acid crystals |
| 09/24/2002 | US6455715 Method of producing dicarboxylic acids suitable for synthesis of polymers or polyamides |
| 09/18/2002 | CN1369472A One-step process for preparing sodium biacetate |
| 09/12/2002 | WO2002013778A3 Cosmetic preparations containing dicarboxylic acids |
| 09/11/2002 | EP0877561B1 Composition and method for producing a salty taste |
| 09/10/2002 | US6447764 Method for isolating anionic organic substances from aqueous systems using cationic polymer nanoparticles |
| 09/04/2002 | CN1367716A Selective separation of iron by treatment with lon-exchanging resin comprising diphosphonic acid groups |
| 08/29/2002 | US20020117647 Vapor deposition approach from metalorganic precursors, such as metal ( beta -diketonates) |
| 08/28/2002 | EP0918759B1 Novel thiazolidone-2 derivatives, 4-diketone substituted, method for obtaining them and pharmaceutical compositions containing same |
| 08/27/2002 | CA2243524C Composition and method for producing a salty taste |
| 08/22/2002 | WO2002064543A2 Novel succinate salt of o-desmethyl-venlafaxine |
| 08/22/2002 | CA2666611A1 Novel succinate salt of o-desmethyl-venlafaxine |
| 08/20/2002 | US6437143 Thiazolidone-2 derivatives, 4-diketone substituted, method for obtaining them and pharmaceutical compositions containing same |
| 08/14/2002 | EP0790974B1 Substituted 4-biarylbutyric or 5-biarylpentanoic acids and derivatives as matrix metalloprotease inhibitiors |
| 08/13/2002 | US6433221 Methods of separating catalyst in solution from a reaction mixture produced by oxidation of cyclohexane to adipic acid |
| 08/13/2002 | US6433220 Catalyst from oxidation of cyclohexane to adipic acid; solvent extraction |
| 07/25/2002 | WO2001072732A3 Oxidation of 5-(hydroxymethyl) furfural to 2,5-diformylfuran and subsequent decarbonylation to unsubstituted furan |
| 07/24/2002 | CN1088055C Process for extracting alpha- or omega-alkadicarboxylic acid from fermented liquid and refining it |
| 07/17/2002 | CN1359364A Method for making adipic acid |
| 07/16/2002 | CA2257347C Method for purifying adipic acid in water |
| 07/11/2002 | WO2002026750A3 Phosphino-aminophosphines, catalyst complexes and enantioselective hydrogenation |
| 07/10/2002 | EP1220939A1 Improved fermentation process |
| 07/10/2002 | EP1220835A1 Process for the production of acrylonitrile using direct contact spray heat exchange in the absorber |
| 07/09/2002 | US6417128 Methods and replacing water and cyclohexanone with acetic acid in aqueous solutions of catalyst |
| 07/03/2002 | CN1087012C Clean catalytic oxidization process for synthesizing adipic acid |
| 06/26/2002 | EP1216989A1 Buffer compositions |
| 06/26/2002 | EP1216083A2 Recovery process for volatile compounds from solids in aqueous solution |
| 06/20/2002 | WO2002048130A1 Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor |
| 06/20/2002 | WO2002048094A1 tROCESS FOR MAKING 5-CYANOVALERIC ACID, ADIPIC ACID OR DIMETHYL ADIDPATE |
| 06/19/2002 | CN1354164A Method for producing oxalic acid by alkali fusion, oxidation and steam explosion of straw in alkali fusion circulation system |
| 06/13/2002 | US20020072636 Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof |
| 06/13/2002 | DE10061558A1 Verfahren zur Hydrierung von Maleinsäureanhydrid und verwandten Verbindungen in einem Wirbelschichtreaktor A process for the hydrogenation of maleic anhydride and related compounds in a fluidized bed reactor |
| 06/12/2002 | EP1005477B1 Method for isolating anionic organic substances from aqueous systems using cationic polymer nanoparticles |
| 06/12/2002 | EP0914195B1 Method for separating a catalyst by membrane electrodialysis |
| 06/06/2002 | WO2002044110A1 An oxidation reaction process catalysized by phase-transfer catalyst controlling reaction |
| 06/06/2002 | US20020068837 Oxidative ozonolysis of dicarboxylic amides then crystallizing |
| 06/05/2002 | CN1352630A Process for preparing R-(-)-carnitine S-(-)-chlorosuccinic acid or from a derivative thereof |
| 05/30/2002 | US20020065417 Useful as ligands for metal catalysts for asymmetric reactions, in particular as rhodium complexes for asymmetric hydrogenation of enamide, itaconate, and alpha-ketoester compounds |
| 05/29/2002 | CN1351006A Process for refining long-chain biatomic acid |
| 05/29/2002 | CN1351005A Process for extracting and refining long-chain dicarboxylic acid from bio-fermented liquid |
| 05/29/2002 | CN1351004A Process for preparing long-chain dicarboxylic acid and its ester |
| 05/28/2002 | US6395931 Reaction of cyanoacetic acid with hydrochloric acid to form malonic acid, separation of acetic acid by-products and purification |
| 05/14/2002 | CA2062142C Process for the recovery of adipic acid |
| 05/08/2002 | CN1348435A Method for separating and purifying carboxylic acid derived from the direct oxidation of a hydrocarbon |
| 05/01/2002 | CN1347397A Methods of replacing water and cyclohexanone with acetic acid in aqueous solutions of catalyst |
| 05/01/2002 | CN1347396A Hydrocarbon, alcohol and/or ketone oxidation method |
| 04/30/2002 | US6380412 Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof |
| 04/25/2002 | US20020049345 Carboxylic acids and derivatives thereof and pharmaceutical compositions containing them |
| 04/18/2002 | WO2002010228A3 Transformation of polymers to useful chemicals by oxidation |
| 04/17/2002 | EP1196369A1 Method for making adipic acid |
| 04/17/2002 | EP1196367A1 A process for preparation of adipic acid |
| 04/16/2002 | US6372942 Pentenoic acid hydroxycarbonylation method |
| 04/11/2002 | WO2002028778A1 Method for co-precipitating actinides and method for preparing mixed actinide oxides |
| 04/10/2002 | EP1194238A1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 04/10/2002 | CN1344245A Branched chain amino acid-dependent aminotransferase inhibitors and their use in treatment of diabetic retinopathy |
| 04/10/2002 | CN1344240A Methods of extracting catalyst in solution in mfg. adipic acid |
| 04/04/2002 | WO2002026750A2 Phosphino-aminophosphines, catalyst complexes and enantioselective hydrogenation |
| 04/04/2002 | WO2002026701A2 Ionic liquids and their use as solvents |
| 04/04/2002 | WO2001087815A3 Process for the production of carboxylic acids |
| 04/03/2002 | CN1342652A Spirocyclophophorous amine |
| 03/27/2002 | CN1341588A Intermediate product for preparing substituted 2,4-thiazolidine diketone derivative |
| 03/26/2002 | US6362368 Oxidative ozonolysis of mono-unsaturated fatty acids; recrystalization using carboxylic acid of medium chain length as solvent; purity |
| 03/21/2002 | US20020035290 Process for preparing malonate derivatives or beta -keto esters from epoxide derivatives |
| 03/20/2002 | EP1187805A1 Process for preparing r-(-)-carnitine from s-(-)-chlorosuccinic acid or from a derivative thereof |
| 03/19/2002 | US6359173 Process control; continuous processing |
| 03/13/2002 | EP1185600A1 A process for concentrating azelaic acid |
| 03/07/2002 | US20020028967 Retardation of discoloration of dicarboxylic acids |
| 03/06/2002 | CN1339021A Oxidation of hydrocarbons to acids in the presence of fluoro compounds |
| 02/28/2002 | WO2002016298A1 Gold catalyst for selective oxidation |
| 02/28/2002 | DE10039783A1 Kosmetische Zubereitungen Cosmetic preparations |
| 02/27/2002 | CN1338007A Indium source reagent compositions |
| 02/21/2002 | WO2002013778A2 Cosmetic preparations containing dicarboxylic acids |
| 02/20/2002 | CN1079389C Process for refining long-chain biatomic acid |
| 02/13/2002 | CN1335829A New method for making photocurable halofluorinated acrylates |
| 02/07/2002 | WO2002010228A2 Transformation of polymers to useful chemicals by oxidation |
| 02/07/2002 | CA2411490A1 Transformation of polymers to useful chemicals by oxidation |