| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 12/30/2004 | US20040267053 Process for producing fluorinated ketone |
| 12/30/2004 | US20040267050 Multistage distillation |
| 12/30/2004 | US20040267048 Kneading mixture of molybdenum, bismuth and iron, extrusion molding to form catalyst for gas phase oxidation of propylene, isobutylene, tert-butyl alcohol and methyl-tert-butyl ether |
| 12/30/2004 | US20040267045 Processes for producing (meth)acrylic acid compound |
| 12/30/2004 | US20040266999 Method of extracting and method of purifying an effective substance |
| 12/30/2004 | US20040266892 Method for the production of particles |
| 12/30/2004 | US20040262161 Partial evaporative crystallization; and displacement precipitation of the salt |
| 12/30/2004 | US20040261851 Storage tank for easily polymerizable compound and method of storage |
| 12/29/2004 | WO2004113263A1 Method for the continuous production of a compound that carries at least two functional groups |
| 12/29/2004 | WO2004113261A1 Method for isolating a homogeneous catalyst containing rhodium |
| 12/29/2004 | WO2004112774A1 RESOLUTION OF α-(PHENOXY)PHENYLACETIC ACID DERIVATIVES |
| 12/29/2004 | WO2003044125A3 A process to produce a dilute ethylene stream and a dilute propylene stream |
| 12/29/2004 | EP1490320A1 Process for synthesis of trans-alkenoic acid, use thereof |
| 12/29/2004 | EP1490319A2 Method for producing 3-hydroxy-2-methylbenzoic acid |
| 12/29/2004 | EP1490318A1 Liquid phase oxidation of halogenated ortho-xylenes |
| 12/29/2004 | EP1490171A1 Fatty acid isomerization with mesoporous zeolites |
| 12/29/2004 | EP1261575B1 Improved method for producing symmetrical anhydrides |
| 12/29/2004 | EP1171212B1 Solvent extraction process |
| 12/29/2004 | EP1027320B1 Recovery of 2,6-naphthalene dicarboxylic acid from polyesters |
| 12/29/2004 | EP0994834A4 Ligated platinum group metal catalyst complex and improved process for catalytically converting alkanes to esters and derivatives thereof |
| 12/29/2004 | CN1558905A Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation |
| 12/29/2004 | CN1557798A Environment-friendly method for catalytic oxidation of 1,2-cyclopentanediol to glutaric acid |
| 12/29/2004 | CN1557549A Vanadium phosphorus oxygen catalyst for preparing acrylic acid and acetic acid by oxidation of propane and preparation method thereof |
| 12/29/2004 | CN1182110C Process for preparation of diphenyl ether compounds |
| 12/29/2004 | CN1182099C Method for separating maleic anhydride from maleic anhydride-containing mixtures by stripping |
| 12/29/2004 | CN1182098C Purifier and purifying method for polymerizable organic compounds |
| 12/29/2004 | CN1182093C Method for producing carboxylic acid and alcohol |
| 12/29/2004 | CN1181920C Process for preparing supermicro particles of vanadium phosphorus oxide and its products |
| 12/29/2004 | CA2529774A1 Resolution of .alpha.-(phenoxy)phenylacetic acid derivatives |
| 12/29/2004 | CA2529247A1 Method for isolating a homogeneous catalyst containing rhodium |
| 12/29/2004 | CA2528894A1 Method for the continuous production of a compound that carries at least two functional groups |
| 12/28/2004 | US6835852 Oxidation of pseudocumene; using catalyst; continuous processing; separation of by-products |
| 12/28/2004 | US6835364 Anionic clays for use in catalyst formulations |
| 12/28/2004 | US6835328 Overbased metal carbonate/carboxylate microemulsions and halogen-containing polymers containing same |
| 12/28/2004 | US6835324 Adding iodine and iron iodine to a polyunsaturated fatty acid, heating, adding a polymerization catalyst while heating and recovering |
| 12/23/2004 | WO2004110975A1 Method for the recovery of ferulic acid |
| 12/23/2004 | WO2004110581A2 Process and apparatus for the efficient oxidation of alkyl aromatic compounds |
| 12/23/2004 | WO2004085365A3 Method for the heterogeneously catalyzed partial gas phase oxidation of acrolein into acrylic acid |
| 12/23/2004 | WO2003087028A9 A method of making salt |
| 12/23/2004 | US20040260122 Process for producing (meth)acrylic acids and process for distilling the same |
| 12/23/2004 | US20040260121 Of propene through successive fixed catalyst part-beds A and B, part A containing molybdenum, bismuth and iron oxides, and part B containing molybdenum and vanadium oxides; by-product inhibition of propionic acid and allyl acrylate |
| 12/23/2004 | US20040260120 dehydrogenation of alcohols in the presence of doped hydrogenation catalysts, to form carboxylic acids and salts |
| 12/23/2004 | US20040260119 Preparation of 3-alkoxy-2-methylbenzoic acids |
| 12/23/2004 | US20040260052 Aging a slurry of the crude acid in a first dispersion medium at 180-300 degrees C. for 10 minutes or longer while stirring; substituting the dispersion media with a second medium; and separating the crystals of the acid from the slurry of the second dispersion medium; excellent hue and particle size |
| 12/23/2004 | US20040256319 Using a washing column having forced transport in which the process chamber is encased by a metal wall which, on its side facing away from the process chamber, is heated at least along the length of the pure melt zone; e.g., purifying removal of acrylic acid crystals from a contaminated suspension |
| 12/23/2004 | DE10325488A1 Preparing a multielement oxide material useful as catalyst active material, by thermally treating dry blend of ammonium ions and elemental components of oxide material, other than oxygen in atmosphere having low content of molecular oxygen |
| 12/22/2004 | EP1489124A1 (Per)fluoropolyether carboxylic acids and use thereof for the oleo-repellent paper sizing |
| 12/22/2004 | EP1489066A1 Process for production of optically active carboxylic acid |
| 12/22/2004 | EP1489065A1 Aldehyde conversion method using a molecular sieve and the use of the molecular sieve as a catalyst in said method |
| 12/22/2004 | EP1487782A1 Process for preparing nateglinide and intermediates thereof |
| 12/22/2004 | EP1487775A2 Methods of manufacturing derivatives of beta-hydroxycarboxylic acids |
| 12/22/2004 | EP1487773A1 Method for the measurement of the pressure in a gas phase from rectification and/or absorption columns comprising (meth)acrylic acid the esters and/or nitriles thereof |
| 12/22/2004 | EP1487771A1 Fluorination of dicarbonyl compounds |
| 12/22/2004 | EP1487577A1 Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof |
| 12/22/2004 | EP1487576A1 Catalyst and method for producing maleic anhydride |
| 12/22/2004 | EP1487575A2 Method for the production of a catalyst containing vanadium, phosphorus, and oxygen |
| 12/22/2004 | EP1480936A4 Process for the preparation of acitretin |
| 12/22/2004 | EP1305346B1 Transformation of polymers to useful chemicals by oxidation |
| 12/22/2004 | EP1056707B1 Process for preparing (r)-2-bromo-3-phenyl-propionic acid |
| 12/22/2004 | CN1556847A Methods for treating deodorizer distillate |
| 12/22/2004 | CN1556784A Process for improving the stability and/or preventing the deactivation of the catalyst during the manufacture of acetic acid and/or of methyl acetate |
| 12/22/2004 | CN1556783A Vapor phase carbonylation process using iridium-gold co-catalysts |
| 12/22/2004 | CN1556091A Method of eliminating metal ion impurity in industrial galli acid |
| 12/22/2004 | CN1556090A Method of purifying terephthalic acid from terephthalic sludge |
| 12/22/2004 | CN1556089A Preparation of levo flurbi profen |
| 12/22/2004 | CN1556088A Method of preparing adipinic acid using bionic catalytic oxggen to oxidize cyclohexane |
| 12/22/2004 | CN1556078A Cyclohexane oxidation reactor |
| 12/22/2004 | CN1181034C Method for separating acetic acid and water by complexation extraction and rectification |
| 12/22/2004 | CN1181033C Method for refining naphthenic acid |
| 12/22/2004 | CN1181032C Method for producing methacrylic acid |
| 12/22/2004 | CN1181031C Preparation of organic acids |
| 12/21/2004 | US6833477 Process for producing a vic-dichloro acid fluoride |
| 12/21/2004 | US6833475 Using 4-oxo-2,6-dimethyl-hepanoic acid; lactonization; coconut flavor for alcoholic beverage |
| 12/21/2004 | US6833474 Redox process with a solid catalyst of oxides of molybdenum, vanadium, tellurium, niobium and, optionally, silicon |
| 12/21/2004 | US6833472 Process for the purification of aromatic carboxylic acids |
| 12/16/2004 | WO2004108740A2 Nutritional supplements and therapeutic compositions comprising (r)-3-hydroxybutyrate derivatives |
| 12/16/2004 | WO2004108726A1 2-SUBSTITUTED PHENYL-5,7-DIALKYL-3,7-DIHYDROPYRROLE [2,3-d] PYRIMIDINE-4-ONE DERIVATIVES, THE PREPARATION AND THE PHARMACEUTICAL USE THEREOF |
| 12/16/2004 | WO2004108680A1 Intermediates and process for thr production of optically active quinolonecarboxylic acid derivatives |
| 12/16/2004 | WO2004108649A2 Oxidation process for the production of carboxylic acids and alkenes |
| 12/16/2004 | WO2004108648A1 Method for preparing organic acid |
| 12/16/2004 | WO2004108284A1 Method for the production of catalytically active multielement oxide materials containing at least one of the elements nb and w as well as elements mo, v, and cu by means of a thermal treatment in a low-oxygen atmosphere |
| 12/16/2004 | WO2004108277A1 Catalyst composition and process for the selective oxidation of ethane and/or ethylene to acetic acid |
| 12/16/2004 | WO2004108267A1 Method for the thermal treatment of an active catalytic mass |
| 12/16/2004 | US20040254398 Stabilizes operation of a distillation column upon production of aliphatic carboxylic acid by reducing a water content in an aqueous aliphatic carboxylic acid solution by a distillation column |
| 12/16/2004 | US20040254397 Process and apparatus for the efficient oxidation of alkyl aromatic compounds |
| 12/16/2004 | US20040254396 Process for producing fluorinated polyvalent carbonyl compound |
| 12/16/2004 | US20040254279 used as liquid stabilizer agents for polymeric resins such as polyvinyl chloride |
| 12/16/2004 | US20040251563 preparing organic compounds by producing aryllithium compounds and reacting them with suitable electrophiles; a lithium compound is first generated by reacting halogen compounds with lithium metal and is then reacted with aromatic compounds to deprotonate them and form the desired lithium aromatics |
| 12/16/2004 | US20040250868 Method for vapor phase catalytic oxidation |
| 12/16/2004 | CA2527940A1 Nutritional supplements and therapeutic compositions comprising (r)-3-hydroxybutyrate derivatives |
| 12/15/2004 | EP1486203A2 Surfactant compounds and uses thereof |
| 12/15/2004 | EP1485343A1 Amorphous hmg-coa reductase inhibitors of desired particle size |
| 12/15/2004 | EP1485342A1 Method for cleaning plate columns used for rectifying liquids containing (meth)acrylic acid and/or the esters thereof |
| 12/15/2004 | EP1485203A1 Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof |
| 12/15/2004 | EP1100765B1 A process for producing terephthalic acid and/or dimethyl terephthalate |
| 12/15/2004 | EP0934244B1 Method for selective preparation of a 2-hydroxybenzoic acid and a 4-hydroxybenzaldehyde and derivatives |
| 12/15/2004 | CN1555354A Method for making adipic acid crystals and resulting crystals |
| 12/15/2004 | CN1555353A Vapor phase carbonylating process using gold catalysts |
| 12/15/2004 | CN1555351A Method for the preparation of unsaturated hydroxy fatty acids and their esters, their use in pharmaceutical and/or cosmetic preparations |
| 12/15/2004 | CN1555292A Gold based hererogeneous carbonylation catalysts |