| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 04/26/2006 | EP1648602A1 Coated catalyst carrier body |
| 04/26/2006 | EP1254099B1 Process for the production of anhydrous formic acid |
| 04/26/2006 | CN1764632A Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid |
| 04/26/2006 | CN1764631A Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid |
| 04/26/2006 | CN1764630A Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid |
| 04/26/2006 | CN1764629A Method for the heterogeneously catalysed partial gas phase oxidation of propene to form acrylic acid |
| 04/26/2006 | CN1764628A Method for the heterogeneously catalyzed partial gas phase oxidation of propene into acrylic acid |
| 04/26/2006 | CN1764627A Method of stabilizing 1,4-dihydroxy-2-naphthoic acid |
| 04/26/2006 | CN1764626A Heterogeneously catalyzed partial gas phase oxidation of propene to acrolein |
| 04/26/2006 | CN1764625A Heterogeneously catalyzed partial gas phase oxidation of propene to acrolein |
| 04/26/2006 | CN1764500A Catalyst for partial oxidation and preparation method thereof |
| 04/26/2006 | CN1762966A High purity punicic acid production method |
| 04/26/2006 | CN1762965A A method for inhibiting polymerization of (meth) acrylic acid and its esters using an inhibitor and a process for making a compound useful as such an inhibitor |
| 04/26/2006 | CN1762964A Regeneration method of catalyst of hydrofinishing terephthalic acid |
| 04/26/2006 | CN1762963A Method for preparing calcium formate |
| 04/26/2006 | CN1762962A Cinnamic acid preparation method |
| 04/26/2006 | CN1762596A Catalyst system for synthesizing acetic acid by methanol low-pressure carbonylation and its application |
| 04/26/2006 | CN1762524A Method for separating and utilizing MeTHPA production waste liquid |
| 04/26/2006 | CN1762523A Method for separating and utilizing MeTHPA production waste liquid |
| 04/26/2006 | CN1762522A Separation method of MeTHPA production waste liquid |
| 04/26/2006 | CN1253424C Process for production of aromatic carboxylic acids with improved dehydration technique |
| 04/26/2006 | CN1253230C Azeotropic distillation of cyclic esters of hdyroxy organic acids |
| 04/25/2006 | US7034181 Method for producing o-chloromethyl benzoic acid chlorides |
| 04/25/2006 | US7034180 Method for crystallization of hydroxycarboxylic acids |
| 04/25/2006 | US7034179 Method for producing a fluorinated ester compound |
| 04/25/2006 | US7034170 Manganese(IV) complex salts and their use as oxidation catalysts |
| 04/20/2006 | WO2006040914A1 Process for producing concentrate of unsaturated fatty acid |
| 04/20/2006 | WO2006040470A1 Method for preparing (meth)acrylic esters or anhydrides |
| 04/20/2006 | WO2006040457A1 Use of phosphoric esters as deposit control agents during the synthesis, purification or regeneration of (meth)acrylic monomers |
| 04/20/2006 | US20060084824 Method for oxidizing a slurry composition in a post oxidation zone in the presence of added steam |
| 04/20/2006 | US20060084154 Synthesis of fatty alcohol esters of alpha-hydroxy carboxylic acids and their use as percutaneous absorption enhancers |
| 04/19/2006 | EP1647543A1 A method for inhibiting polymerization of (Meth) acrylic acid and its esters using an inhibitor and a process for making a compound useful as such an inhibitor |
| 04/19/2006 | EP1647542A1 Method for the production of metal carboxylates and the metal aminoate or metal hydroxy analogue methionate derivatives thereof, and use of same as growth promoters in animal feed |
| 04/19/2006 | EP1646603A1 Thermal separating method for separating at least one mass flux containing enriched (meth)acrylic monomers |
| 04/19/2006 | EP1646602A1 Catalyst and process for the production of acetic acid |
| 04/19/2006 | EP1646597A2 Process for separating and recovering 3-hydroxypropionic acid and acrylic acid |
| 04/19/2006 | EP1226103B1 Methanol plant retrofit for manufacture of acetic acid |
| 04/19/2006 | CN1761644A Synthesis of 4-(amino)-2-butenoyl chlorides and their use in the preparation of 3-cyano quinolines |
| 04/19/2006 | CN1760167A Method for producing bromo butyric acid |
| 04/19/2006 | CN1252035C Novel chiral amino acid derivative and its synthetic method and use |
| 04/19/2006 | CN1252028C Preparation of dimellitic acid |
| 04/19/2006 | CN1252027C Conjugation linoleic acid and method for producing conjugation linoleic acid from colza oil of huangxucai |
| 04/19/2006 | CN1252026C Improved method for preparing methyl-propenoic acid and methyl acrylate |
| 04/19/2006 | CN1252025C Modification of catalytic system in industrial process for making acetic and/or methyl acetate acid |
| 04/19/2006 | CN1251799C Vanadium phosphorus oxygen catalyst for preparing acrylic acid and acetic acid by oxidation of propane and preparation method thereof |
| 04/19/2006 | CN1251798C Electric activation catalysis |
| 04/18/2006 | USRE39074 Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide |
| 04/18/2006 | US7030270 Process for preparing monochloroacetic acid |
| 04/18/2006 | US7030269 Catalyst and process for production of acrylic acid |
| 04/18/2006 | US7029556 Method for purifying (meth)acrylic monomers by distillation |
| 04/13/2006 | WO2006038811A1 Method for producing pyruvic acid |
| 04/13/2006 | WO2005123651A8 L-2-(α-HYDROXYPENTYL)BENZOATES, THE PREPARATION AND THE USE THEREOF |
| 04/13/2006 | US20060079711 Method of producing diol derivatives |
| 04/13/2006 | US20060079710 Blaise reaction of optionally OH-protected S)-4-halo-3-hydroxybutyronitrile with haloacetate in the presence of zinc metal activated by an organic acid to prepare a 5-hydroxy-3-oxo-hexanoic aicid derivative or its tautomer and hydrolyzing to remove protecting group (e.g., trisubstituted silyl) |
| 04/13/2006 | CA2581222A1 Method for producing pyruvic acid |
| 04/12/2006 | EP1644312A1 Preparation of 1,3-diphenylprop-2-en-1-one derivatives |
| 04/12/2006 | EP1644310A2 Highly over-based light colored liquid alkaline earth metal carboxylate |
| 04/12/2006 | EP1644309A1 Method for producing triiodotrimesic acid |
| 04/12/2006 | EP1470099A4 Process for puriying an organic acid |
| 04/12/2006 | CN1759097A Chemical process for the preparation of intermediates to obtain N-formyl hydroxylamine compounds |
| 04/12/2006 | CN1757627A Method for regulation reaction heat balance in synthesizing acetic acid by using low-pressure liquid-phase carbonyl synthesis of methanol |
| 04/12/2006 | CN1757626A Method for synthesizing ferrous stearate |
| 04/12/2006 | CN1757625A Improved (amm)oxidation method for conversion of lower alkane |
| 04/12/2006 | CN1757624A Method for preparing bromopentoic acid |
| 04/12/2006 | CN1250672C Process for preparing calcium acetate snow thawing agent |
| 04/12/2006 | CN1250521C Acetyl l-carnitine salt and process for preparing same |
| 04/12/2006 | CN1250512C Circulation flow reactor and method for synthesizing trimesitinic acid through the reactor |
| 04/12/2006 | CN1250511C Process for producing alkyl substituted benzoic acid |
| 04/12/2006 | CN1250510C Process for decomposing Michael type adduct |
| 04/12/2006 | CN1250509C Method for stabilizing acrylic monomers |
| 04/12/2006 | CN1250508C Process for producing unsaturated carboxylic acid |
| 04/11/2006 | US7026507 Method for the production of solid formulations of sodium 3-hydroxy-3-methylbutyrate |
| 04/11/2006 | US7026506 Vapor phase oxidation of propene using composite oxide catalyst |
| 04/11/2006 | US7026502 Preparation of unsaturated carboxylic acids and unsaturated carboxylic acid esters from alkanes and/or alkenes |
| 04/11/2006 | US7026145 Stripping acidulated slurry comprising lactic acid, calcium lactate, and calcium sulfate |
| 04/11/2006 | CA2248004C Process for preparing 1,6 hexanediol and caprolactone |
| 04/06/2006 | WO2006036169A1 Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| 04/06/2006 | WO2006036168A1 Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| 04/06/2006 | US20060074258 Catalyst comprising a support and a catalytically active oxide material applied to the surface of the substrate |
| 04/06/2006 | US20060074256 Separating alcohol from the feed stream of mono-alkyl esters, salts, alcohol and glycerol; separating salts of first stream to yield a vapor stream comprising mono-alkyl esters and glycerol, wherein separation is by volatility; separating glycerol from vapor stream to yield monoalkyl ester biodiesel |
| 04/06/2006 | US20060074249 Processes of producing glutamic acid compounds and production intermediates therefore and novel intermediate for the processes |
| 04/06/2006 | US20060074129 Method for obtaining ozonized oils and vegetable fats and use of said products for pharmaceutical and cosmetic purposes |
| 04/06/2006 | CA2579610A1 Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| 04/06/2006 | CA2579595A1 Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| 04/05/2006 | EP1642883A2 Optically active cyclohexylphenylglycolate esters |
| 04/05/2006 | EP1642881A1 Process for producing 5-iodo-2-methylbenzoic acid |
| 04/05/2006 | EP1642879A1 Method for producing acrolein and/or acrylic acid or a mixture thereof from propane and/or propene |
| 04/05/2006 | EP1641739A1 Method for the continuous production of a compound that carries at least two functional groups |
| 04/05/2006 | EP1641736A1 Method for isolating a homogeneous catalyst containing rhodium |
| 04/05/2006 | EP1641735A2 Method for the production of metal salts of short-chained, unsaturated, carboxylic acids and use thereof |
| 04/05/2006 | EP1565241B1 Method and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylic ester |
| 04/05/2006 | EP1330309B1 Catalyst system and method for carbonylation |
| 04/05/2006 | EP0897747B1 Nitration or carboxylation catalysts |
| 04/05/2006 | CN1756786A Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 04/05/2006 | CN1754962A Solvent for extraction of acetic acid from aqueous streams and anaerobic microbial fermentation process for producing acetic acid |
| 04/05/2006 | CN1754899A Process for the solid phase synthesis of aldehyde, ketone, oxime, amine, hydroxamic acid and alpha, beta-unsaturated carboxylic acid and aldehyde compounds |
| 04/05/2006 | CN1754871A Preparation method and use of alpine yarrow herb ketoacid |
| 04/05/2006 | CN1754870A Process for the preparation of simvastatin |
| 04/05/2006 | CN1754869A Process for extracting gulonic acid |
| 04/05/2006 | CN1754868A Method for converting sodium gulonate to gulonic acid in Vit C production |