| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 02/17/2004 | US6692706 Process for preparing saturated carboxylic acids having from 1 to 4 carbon atoms |
| 02/12/2004 | WO2004013094A2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 02/12/2004 | WO2004013078A1 New conjugated linolenic acids and methods for commercial preparation and purification |
| 02/12/2004 | WO2004013071A2 Method for refining 2,6-naphthalene dicarboxylic acid |
| 02/12/2004 | WO2004013069A1 A process for the optical resolution of a precursor of sclareolide |
| 02/12/2004 | WO2003045886A3 Method for producing acrylic acid from propane in the absence of molecular oxygen |
| 02/12/2004 | US20040030202 Mixed metal oxide catalyst |
| 02/12/2004 | US20040030186 Oxidation of 3,3-dimethyl-4-hydroxybutyric acid forming 3,3-dimethyl-4-oxobutyric acid |
| 02/12/2004 | US20040030185 Method for production of acrylic acid |
| 02/12/2004 | US20040030184 Oxidation of ethane, ethylene using oxidation catalyst; controlling particle size |
| 02/12/2004 | US20040030172 Catalyst |
| 02/12/2004 | US20040030054 Quaternary ammonium, phosphonium compound |
| 02/12/2004 | US20040029838 Anticancer agents |
| 02/12/2004 | US20040029725 Annealed and promoted catalyst |
| 02/12/2004 | US20040029724 Catalyst for methacrylic acid production,coated catalyst, and process for producing the same |
| 02/12/2004 | DE10333852A1 Monoalkylation of C-H acid methylene groups and also production of nitriles and carboxylic acids involves reaction with dihalogen compounds in presence of specified amounts of alkali(ne earth) carbonate |
| 02/12/2004 | DE10232468A1 Verschwenkbare Deckelklappe für ein Fahrzeug Hinge-lid flap for a vehicle |
| 02/12/2004 | CA2495532A1 New conjugated linolenic acids and methods for commercial preparation and purification |
| 02/12/2004 | CA2494404A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 02/11/2004 | EP1388555A2 A proces for the preparation of perfluoropolyethers acyl-fluoride ended by reduction of the corresponding peroxidic perfluoropolyethers |
| 02/11/2004 | EP1388554A2 Hydrofluoroethers having at least one hydrogenated -OCFX'CH3 end group wherein X'=F, CF3 and their preparation process |
| 02/11/2004 | EP1388533A1 Method for production of acrylic acid |
| 02/11/2004 | EP1388532A1 Method for production of acrylic acid |
| 02/11/2004 | EP1387863A2 Shelf stable haze free liquids of overbased alkaline earth metal salts, processes and stabilizing halogen-containing polymers therewith |
| 02/11/2004 | EP1387851A1 Process for the synthesis of oxandrolone |
| 02/11/2004 | EP1387824A1 Method for purifying a raw melt of at least one monomer by crystallization |
| 02/11/2004 | EP1387823A1 Method for the production of acrylic acid by heterogeneously catalyzed partial propane oxidation |
| 02/11/2004 | EP1387822A1 2-[4-(2,2,-dihalocyclopropyl)phenoxy]-alkanoic acids and esters thereof production process |
| 02/11/2004 | EP1387820A2 Method for the production of a purified melt of at least one monomer |
| 02/11/2004 | EP1098866B1 Method for producing ortho-alkylated benzoic acid derivatives |
| 02/11/2004 | CN1474799A Method for pruification of alpha-hydroxy acid on industrial scale |
| 02/11/2004 | CN1473813A Process for preparing acetic acid |
| 02/11/2004 | CN1137745C Chromatography process |
| 02/10/2004 | US6689903 Subjecting solution of terephthalic acid containing minor amounts of p-toluic acid to crystallization in plurality of series-connected crystallizers wherein solution is subjected to rate-controlled evaporative cooling and depressurization |
| 02/10/2004 | US6689902 Reductive alkylation |
| 02/10/2004 | US6689894 Process for preparing fatty acid zinc salts |
| 02/10/2004 | US6689893 Shelf stable haze free liquids of overbased alkaline earth metal salts |
| 02/10/2004 | US6689891 2-bromomethyl-6-methyl-benzoic acid and a process for the preparation thereof |
| 02/10/2004 | CA2223600C Production of levulinic acid from carbohydrate-containing materials |
| 02/10/2004 | CA2124744C Process for the stereospecific synthesis of leukotriene b4 under its 6z, 8e and 10e, and intermediate products thereof |
| 02/10/2004 | CA2088774C Process for the racemization nonracemic 3-oxocyclopentane-or-hexanecarboxylic acids or their esters with c1-c6-alcohols |
| 02/06/2004 | CA2396840A1 New conjugated linolenic acids and methods for commercial preparation, purification and uses |
| 02/05/2004 | WO2004011450A1 Process for the preparation of 1-(3-dimethylaminopropyl) -1-(4-fluorophenyl) -1,3-dihydroisobenzofuran -5-carbonitrile |
| 02/05/2004 | WO2004011412A1 Method for producing carboxylic acid |
| 02/05/2004 | WO2004011411A1 Method of producing trimellitic acid |
| 02/05/2004 | WO2003078519A3 Liquid overbased mixed metal stabilizer composition |
| 02/05/2004 | US20040024268 Process for catalytically producing organic substances by partial oxidation |
| 02/05/2004 | US20040024249 Hydrofluoroethers having at least one hydrogenated-OCFX'CH3 end group wherein X'=F, CF3 and their preparation process |
| 02/05/2004 | US20040024248 By oxidative cleavage of a cycloalkane with oxygen in the presence of a catalyst including an imide compound and a metallic compound |
| 02/05/2004 | US20040024243 Process for the synthesis of fluoroorganic compounds |
| 02/05/2004 | US20040024232 Process for the synthesis of trans-alkenoic acids, use thereof |
| 02/05/2004 | US20040024153 Reduction of perfluoropolyethers containing peroxidic bonds, using gaseous hydrogen in presence of platinum, palladium or rhodium catalyst supported on metal fluoride |
| 02/05/2004 | US20040021132 Adding organic complexing agent to first aqueous solution of actinide An1 in oxidation state (IV) in order to form complex; adding complexing agent to second aqueous solution of an actinide An2 in oxidation state (IV); mixing; precipitation |
| 02/05/2004 | US20040020923 Method and apparatus for continuous flow microwave-assisted chemistry techniques |
| 02/05/2004 | DE10232868A1 Feinporiger Katalysator und Verfahren zur Hydrierung von aromatischen Verbindungen Fine-pored catalyst and process for the hydrogenation of aromatic compounds |
| 02/05/2004 | DE10232812A1 Purification of polymethylolalkanoic acids or monomethylolalkanoic acids comprises oxidation of the corresponding alkanal and crystallization with dilution of the mother liquor |
| 02/05/2004 | DE10228762A1 Dicarbonsäuren für Dielektrika mit Sperrwirkung gegen Kupferdiffusion Dicarboxylic acids for dielectrics with barrier action against copper diffusion |
| 02/05/2004 | CA2493773A1 A method of deuteration of an aromatic ring |
| 02/04/2004 | EP1386906A1 Method for reducing nitrogen oxide emissions in industrial processes |
| 02/04/2004 | EP1385816A1 Method for purifying an organic solvent for the purpose of absorption of maleic acid anhydride |
| 02/04/2004 | EP1385815A1 Process for the removal of undesired flavour and odour components from potassium lactate |
| 02/04/2004 | EP1385814A1 Enantiomerically selective cyclopropanation |
| 02/04/2004 | EP1385813A1 Method for oxidising an aromatic aldehyde into the corresponding carboxylic acid |
| 02/04/2004 | EP1385593A1 Process for obtaining an organic acid from an organic acid ammonium salt, an organic acid amide, or an alkylamine organic acid complex |
| 02/04/2004 | EP1206433B1 Vapor phase carbonylation process using promoted iridium catalyst |
| 02/04/2004 | CN1473199A Method for obtaining 12-hydroxystearic acid |
| 02/04/2004 | CN1473142A Method for producing poly-or monomethylol alkanoic acids |
| 02/04/2004 | CN1472189A Synthesis of trans-4-alkyl cyclohexyl formic acid |
| 02/04/2004 | CN1472188A Preparation of dimellitic acid |
| 02/04/2004 | CN1472187A Preparing method for acrylic acid |
| 02/04/2004 | CN1472186A Method for producing calcium formate |
| 02/04/2004 | CN1472009A Heteropoly compound catalyst, preparing method and application thereof |
| 02/04/2004 | CN1472008A Mixed metallic oxide catalyst with physical weather salation load |
| 02/04/2004 | CN1137092C Process for preparing cyano acetate |
| 02/04/2004 | CN1137080C Process for preparing intermediate of Xidinafei |
| 02/04/2004 | CN1137079C Method for preparing acrylic acid and acrylic acid esters |
| 02/04/2004 | CN1137078C Process for treating waste oil |
| 02/04/2004 | CN1136969C Group 4 metal promoted iridium carbonylation catalyst |
| 02/04/2004 | CN1136968C Group 5 metal promoted iridium carbonylation catalyst |
| 02/04/2004 | CN1136935C Parallel connection technology for flash tanks of terephthalic acid mother liquid |
| 02/03/2004 | US6686501 Processes for preparing 3.3-dimethylbutyric acid |
| 02/03/2004 | US6686500 By carbonylation in the presence of an iridium catalyst and methyl iodide co-catalyst |
| 02/01/2004 | CA2435920A1 Hydrofluoroethers having at least one hydrogenated -ocfx'ch3, end group wherein x'=f, cf3 and their preparation process |
| 01/29/2004 | WO2004009747A1 Engine oil comprising overbased salicylates based on styrenated salicylic acid |
| 01/29/2004 | WO2004009526A1 Microporous catalyst and method for hydrogenating aromatic compounds |
| 01/29/2004 | WO2004009525A1 Method for the heterogeneously-catalysed gas phase partial oxidation of at least one organic compound |
| 01/29/2004 | US20040019235 Reacting (meth)acrylic acid and the alcohol in the presence of acid catalyst and polymerization inhibitor and solvent which forms an azeotropic mixture with water and distilling off and condensing mixture |
| 01/29/2004 | US20040019233 Catalyst comprising a mixed metal oxide based on molybdenum, vanadium and optional metals for the vapor phase (amm)oxidation of an alkane to an unsaturated carboxylic acid (nitrile); improved catalytic selectivity |
| 01/29/2004 | US20040019216 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 01/29/2004 | US20040019156 Comprises metal bromide oxidation catalysts, in liquid phase using acetic acid as solvent; waste treatment |
| 01/29/2004 | DE10232482A1 Verfahren zum sicheren Betreiben einer kontinuierlichen heterogen katalysierten Gasphasen-Partialoxidation wenigstens einer organischen Verbindung A method of securely operating a continuous heterogeneously catalyzed gas phase partial oxidation of at least one organic compound |
| 01/28/2004 | EP1384706A1 Process for the monoalkylation of C-H acid methylene groups |
| 01/28/2004 | EP1383727A1 Method for the continuous extraction of (meth)acrylic acid |
| 01/28/2004 | CN1471503A TMP/steam pressure filtration |
| 01/28/2004 | CN1471430A Catalyst and method for producing maleic anhydride |
| 01/28/2004 | CN1471418A Method of crystallization |
| 01/28/2004 | CN1470493A Poly epoxy butanedioic acid and its salt preparing method |
| 01/28/2004 | CN1470492A Preparation of optical pure D-malic acid |
| 01/28/2004 | CN1470491A Method for removing impurities from oxidation products |
| 01/28/2004 | CN1136182C Method for preparing acetic acid |