| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 04/18/2002 | WO2002030862A1 Oxidation of alkyl-aromatic compounds |
| 04/18/2002 | WO2002030861A2 Processes for oxidizing hydrocarbyl moieties to carboxylic acids and anhydrides |
| 04/18/2002 | WO2002030356A2 Synthesis of epothilones and relates analogs |
| 04/18/2002 | WO2002010228A3 Transformation of polymers to useful chemicals by oxidation |
| 04/18/2002 | US20020045766 Preparation of pyrethroids. |
| 04/18/2002 | US20020045534 Cooling the reaction mixture and/or adding water to the reaction mixture, separating into polar and non-polar phases, recycling the polar phase to oxidation reactor and transferring nonpolar to ion exchange unit to remove the |
| 04/18/2002 | US20020043577 Birch bark processing and the isolation of natural products from birch bark |
| 04/18/2002 | US20020043454 Continuous recovery of ( meth) acrylic acid |
| 04/18/2002 | DE10051419A1 Production of acrolein or acrylic acid involves absorption of propane and propene from a gas mixture followed by desorption and oxidation, with no catalytic dehydrogenation of propane and no added oxygen |
| 04/18/2002 | CA2425828A1 Synthesis of epothilones and related analogs |
| 04/18/2002 | CA2425272A1 Oxidation of alkyl-aromatic compounds |
| 04/17/2002 | EP1196370A1 Process for the preparation of 5- and/or 6-substituted-2-hydroxybenzoic acid esters |
| 04/17/2002 | EP1196369A1 Method for making adipic acid |
| 04/17/2002 | EP1196368A1 Dust-free calcium formate |
| 04/17/2002 | EP1196367A1 A process for preparation of adipic acid |
| 04/17/2002 | EP1196366A1 Carbonylation reactions |
| 04/17/2002 | CN1345298A Process for producing fluorine compound through liquid phase fluorination |
| 04/17/2002 | CN1344706A Production process of alpha-linolenic acid |
| 04/17/2002 | CN1344584A Method for production of oxide catalyst for oxidation or ammoxidation |
| 04/17/2002 | CN1082942C Method for preparing 3-carboxy-4-hydroxybenzaldehydes and derivatives thereof |
| 04/17/2002 | CN1082941C Process for producing phosphorus-vanadium oxide catalyst and its precursor, and process for producing maleic anhydride |
| 04/16/2002 | US6372944 Liquid withdrawing tray for purification column, purification column, and method for purification |
| 04/16/2002 | US6372942 Pentenoic acid hydroxycarbonylation method |
| 04/16/2002 | US6372938 Synthesis of 4-phenylbutyric acid |
| 04/16/2002 | US6372932 Porous solid products of 1,3,5-benzenetricarboxylate and metal ions |
| 04/16/2002 | US6372908 Preparation of vanadium antimonate based catalyst using sno2h2o |
| 04/16/2002 | US6372885 Solid-phase technology for the preparation of amides |
| 04/16/2002 | CA2358952A1 Novel olefination process to itaconate and succinate derivatives |
| 04/16/2002 | CA2235605C Process for improving color of basic metal organic salts and stabilizing halogen-containing polymers therewith |
| 04/16/2002 | CA2052812C Process for acylation or alkylation of aromatic compounds in hydrogen fluoride |
| 04/11/2002 | WO2002028809A2 Dynamic resolution of isomers and resolved isomers |
| 04/11/2002 | WO2002028778A1 Method for co-precipitating actinides and method for preparing mixed actinide oxides |
| 04/11/2002 | WO2002028499A1 Method of crystallization |
| 04/11/2002 | WO2001096016A8 Catalyst for vapor-phase catalytic oxidation or vapor-phase catalytic ammoxidation of propane or isobutane |
| 04/11/2002 | US20020042542 Reagent and process which are useful for grafting a substituted difluoromethyl group onto a compound containing at least one electrophilic function |
| 04/11/2002 | US20020042540 New 6,6'-bis-(1-phosphanorbornadiene) diphosphines, their preparation and their uses |
| 04/11/2002 | US20020042521 Nitrogen-based halogenating agents and process for preparing halogen-containing compounds |
| 04/11/2002 | US20020042431 Zwitterionic tachykinin receptor antagonists |
| 04/11/2002 | DE10048874A1 Katalysatorsystem und Verfahren zur Carbonylierung The catalyst system and process for the carbonylation |
| 04/11/2002 | DE10047118A1 Verfahren zur Herstellung von Ketocarbonsäurederivaten Process for the preparation of ketocarboxylic acid derivatives |
| 04/11/2002 | DE10046957A1 Verfahren zur Herstellung eines Multimetalloxid-Katalysators, Verfahren zur Herstellung ungesättigter Aldehyde und/oder Carbonsäuren und Bandcalziniervorrichtung A process for the preparation of a multimetal oxide catalyst, process for preparing unsaturated aldehydes and / or carboxylic acids and belt calcination apparatus |
| 04/11/2002 | DE10046928A1 Verfahren zur Herstellung von Multimetalloxidmassen A process for the preparation of multimetal |
| 04/11/2002 | CA2424280A1 Dynamic resolution of isomers and resolved isomers |
| 04/10/2002 | EP1194238A1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 04/10/2002 | EP1117482B1 Method for producing catalysts for synthesising maleic anhydride by means of gas phase oxidation |
| 04/10/2002 | EP0989969B1 Process for the manufacture of carboxylic acids |
| 04/10/2002 | EP0766658B1 Process for improving enantiomeric purity of aldehydes |
| 04/10/2002 | CN2485308Y Pelleter |
| 04/10/2002 | CN1344241A Method of industrial-scale purification of lactic acid |
| 04/10/2002 | CN1344240A Methods of extracting catalyst in solution in mfg. adipic acid |
| 04/10/2002 | CN1343651A Process for hydrogenating benzoic acid |
| 04/10/2002 | CN1343649A Process for hydrolyzing methyl acetate |
| 04/10/2002 | CN1082502C Process for prodn. of arabinitol |
| 04/10/2002 | CN1082499C Mixture contg. monomers and stabilizers |
| 04/10/2002 | CN1082354C Hydroxycitric acid concentrate and method of making |
| 04/09/2002 | US6369271 Process for preparing derivatives of biphenyl-2-carboxylic acid |
| 04/09/2002 | US6369257 Hydroformylation of olefins using supported bis(phosphorus) ligands |
| 04/09/2002 | US6369251 Method for purification of polyprenyl compounds |
| 04/09/2002 | US6369240 Gas-phase oxidization process and process for the preparation of phthalic anhydride |
| 04/09/2002 | US6368819 Microbial process for the preparation of acetic acid as well as solvent for its extraction from the fermentation broth |
| 04/09/2002 | US6368389 Method for separating vaporous phthalic acid anhydride from a gas stream |
| 04/04/2002 | WO2002026750A2 Phosphino-aminophosphines, catalyst complexes and enantioselective hydrogenation |
| 04/04/2002 | WO2002026689A1 Process for producing fluorinated polyvalent carbonyl compound |
| 04/04/2002 | WO2002026688A1 Process for producing fluorinated ester compound |
| 04/04/2002 | WO2002026687A1 Processes for the preparation of perfluoro compounds and derivatives thereof |
| 04/04/2002 | WO2002026686A1 Process for producing acyl fluoride and carboxylic acid salt |
| 04/04/2002 | WO2002026685A1 Method for stabilising acrylic monomers |
| 04/04/2002 | WO2002026666A2 Method for manufacturing calcium salts of highly unsaturated fatty acids |
| 04/04/2002 | WO2002026382A1 Catalyst system and method for carbonylation |
| 04/04/2002 | WO2001092195A3 Methods and apparatus for removing catalyst from oxidation reactor effluent |
| 04/04/2002 | WO2001087815A3 Process for the production of carboxylic acids |
| 04/04/2002 | WO2001068581A3 The method of chemical recycling of polyethylene terephthalate waste |
| 04/04/2002 | US20020040158 Process for preparing substituted benzoyl chlorides |
| 04/04/2002 | US20020039974 Flotation agents in, minerals beneficiation, as well as in lubricants and drilling muds |
| 04/04/2002 | US20020039652 Synthesis of alumina acetate monohydrate salt sol fibers and uses thereof |
| 04/03/2002 | EP1193242A1 Method for recovering fluorinated alkanoic acids from waste waters |
| 04/03/2002 | EP1193241A2 Process for producing pyromellitic anhydride |
| 04/03/2002 | EP1193240A1 Recycle process in the preparation of unsaturated carboxylic acids from alkane |
| 04/03/2002 | EP1192992A1 Method for reactivating catalyst for methacrylic acid preparation |
| 04/03/2002 | EP1192988A1 Promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192987A1 Promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192986A1 Ir and/or Sm promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192985A1 Multi-metal oxide catalyst prepared using calcination |
| 04/03/2002 | EP1192984A1 Halogen promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192983A1 Promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192982A1 Zn and/or Ga promoted multi-metal oxide catalyst |
| 04/03/2002 | EP1192145A1 Process for preparing chiral cyclopropane carboxylic acids and acyl guanidines |
| 04/03/2002 | EP1192121A1 Method for producing 2-halo-6-nitrobenzoic acids |
| 04/03/2002 | EP1015410B1 Method for producing acrylic acid and methacrylic acid |
| 04/03/2002 | EP0923526B1 Process for the separation of acrylic acid |
| 04/03/2002 | EP0922024B1 Method of preparing an alkaline earth metal tallate |
| 04/03/2002 | CN1343196A Fractional condensation of product gas mixture containing acrylic acid |
| 04/03/2002 | CN1343195A Method for producing acrylic acid |
| 04/03/2002 | CN1343194A Catalytic gas phase oxidation of propene into acrylic acid |
| 04/03/2002 | CN1343193A Method for catalytic gas phase oxidation of propene into acrylic acid |
| 04/03/2002 | CN1343192A Method for catalytic gas phase oxidation of acrolein into acrylic acid |
| 04/03/2002 | CN1343190A Method for catalytic gas phase oxidation of propene into acrylic acid |
| 04/03/2002 | CN1343189A Method for carrying out heterogeneously catalyzed gas phase oxidation of propane into acrolein and/or acrylic acid |
| 04/03/2002 | CN1342652A Spirocyclophophorous amine |
| 04/03/2002 | CN1342638A Process extracting purified danshen extract from red sage root |