| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 04/16/2008 | CN100381204C Catalyst system for synthesizing acetic acid and acetic anhydride from carbonyl compound and its uses |
| 04/16/2008 | CN100381191C Washing device, method for purifying washing materiel and application of washing device |
| 04/15/2008 | US7358392 oxidation of aromatic feedstock; removing impurities from a crystallized product in a solid liquid displacement zone; good color and low impurity levels without the use of purification steps like hydrogenation or an impurity removal process |
| 04/15/2008 | US7358389 Oxidation system employing internal structure for enhanced hydrodynamics |
| 04/15/2008 | US7358386 Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation |
| 04/15/2008 | US7358384 Processes for the recovery of optically active diacyltartaric acids |
| 04/15/2008 | US7358380 oxidation catalysts; useful as catalyst in homogeneous and heterogeneous oxidation reactions of organic substrates; comprise ruthenium ions having three terminal substitution labile ligands |
| 04/10/2008 | WO2008041325A1 METHOD OF PRODUCING α,β-UNSATURATED ALDEHYDE AND/OR α,β-UNSATURATED CARBOXYLIC ACID |
| 04/10/2008 | WO2008021054A3 Method for the preparation of organic acids via oxidization using nitric acid |
| 04/10/2008 | WO2008015103A3 Process for regenerating ruthenium catalysts which are suitable for hydrogenation |
| 04/10/2008 | US20080086015 Alkoxycarbonylation of Vinyl Esters |
| 04/09/2008 | EP1907349A1 Process for preparing racemic alkyl-5-halopent-4-enecarboxylic acids or -carboxylic esters |
| 04/09/2008 | EP1907346A1 Method for extracting lactic acid from aqueous suspensions |
| 04/09/2008 | EP1907340A2 Method for the use of [11c] carbon monoxide in labeling synthesis of 11c-labelled acids by photo-induced free radical carbonylation under mild conditions using sulfoxides |
| 04/09/2008 | EP1430164B1 Method of removing iron oxide deposits from the surface of titanium components |
| 04/09/2008 | CN101160279A Sodium diformate production and use |
| 04/09/2008 | CN101157611A Polychlorinated biphenyl (PCBs) homologue semiantigen and preparation method thereof |
| 04/09/2008 | CN101157610A Decyloxy isobutyric acid and method for synthesizing same |
| 04/09/2008 | CN101157609A Method for preparing alpha-alpha-dimethyl phenyl acetic acid |
| 04/09/2008 | CN101157607A Method and device for producing waterless oxalic acid |
| 04/09/2008 | CN101157606A Partition type bubbling tower oxidation reactor for producing aromatic acid |
| 04/09/2008 | CN100379714C Process for producing methacrylic acid |
| 04/09/2008 | CN100379713C Method for separating water generated in production of aromatic polycarboxylic acid by aromatic hydrocarbon catalytic oxidation |
| 04/09/2008 | CN100379489C Tubular reactor for carrying out catalytic gas-phase reactions and method for operating said reactor |
| 04/09/2008 | CN100379408C Improved stearate composition and preparation method |
| 04/08/2008 | US7355084 protonation of aromatic compounds in the presence of hydrogenation catalysts on supports; dearomatization; catalysis |
| 04/08/2008 | US7355071 Hydrolyzing di-lower alkyl 2,6-naphthalene dicarboxylate in water in the presence hydrophobic organic solvent and polyalkylene glycol and a surface active agent additive |
| 04/08/2008 | US7355068 Multiphase , liquid phase oxidation of para-xylene in bubble column reactor, efficient, low temperatures, to produce terephthalic acid |
| 04/08/2008 | US7355067 Process for the production of triiodotrimesic acid |
| 04/08/2008 | US7355062 Calcined vanadium, molybdenum, tellurium and copper composite oxide; high yield; low cost |
| 04/08/2008 | CA2372962C Novel interleukin-1 and tumor necrosis factor-.alpha. modulators, syntheses of said modulators and methods of using said modulators |
| 04/08/2008 | CA2281379C Carbonylation process |
| 04/08/2008 | CA2175734C Process for the fractionation of fatty acids |
| 04/03/2008 | WO2008038446A1 Method for removing iodide compound from organic acid |
| 04/03/2008 | WO2007139679A8 A process for energy recovery and water removal in the preparation of aromatic carboxylic acids |
| 04/02/2008 | EP1905756A1 Silver beta-ketocarboxylate, material comprising the same for forming silver metal, and use thereof |
| 04/02/2008 | EP1905438A2 Hypoglycemic agent |
| 04/02/2008 | EP1904431A1 Sodium diformate production and use |
| 04/02/2008 | EP1904429A1 Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with high efficiency |
| 04/02/2008 | CN101155770A Process for producing alpha,beta-unsaturated carboxylic acid |
| 04/02/2008 | CN101155638A 磷/钒催化剂的制备 A phosphorus / vanadium catalyst |
| 04/02/2008 | CN101153009A Preparation of unsaturated carboxylic acids and unsaturated carboxylic acid esters from alkanes and/or alkenes |
| 04/02/2008 | CN101153008A Simple and high-efficiency method for synthesizing 4-oxo-carboxylic acid or 5-carboxylic acid simply |
| 04/02/2008 | CN101153007A Gluconic acid nickel and method of preparing the same |
| 04/02/2008 | CN101153006A Gluconic acid cobalt and method of preparing the same |
| 04/02/2008 | CN101153005A Gluconic acid strontium and method of preparing the same |
| 04/02/2008 | CN101153004A Method for producing solid glucose acid |
| 04/02/2008 | CN101153002A Method for producing carboxylic acid |
| 04/02/2008 | CN101152634A Process for preparation of palladium/carbon catalysts |
| 04/02/2008 | CN101152227A Effective component of ligusticum wallichii, preparing method and application of the same |
| 04/02/2008 | CN100378058C Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid |
| 04/02/2008 | CN100378057C Method for cleaning crude terephthalic acid and catalyst suitable for same and containing carbon fibers |
| 04/02/2008 | CN100378050C Method for vapor phase catalytic oxidation |
| 04/02/2008 | CN100377785C Catalyst for gas phase oxidations |
| 04/02/2008 | CN100377773C Fixed bed multitube reactor |
| 04/01/2008 | US7351870 Synthesis of carbon-labeled perfluoroalkyl compounds |
| 04/01/2008 | US7351863 Method of fluorination |
| 04/01/2008 | US7351860 Method and device for producing formic acid formates and use of said formates |
| 04/01/2008 | US7351396 Extraction process for removal of impurities from an aqueous mixture |
| 04/01/2008 | US7351310 Effecting the direct cooling of the vapor in the condensation space in at least two spray zones, which are spatially successive and are flowed through by vapor, by spraying supercooled top condensate comprising added polymerization inhibitor |
| 04/01/2008 | CA2272225C Method for treating an organic liquid contaminated with an iodide compound |
| 03/27/2008 | WO2008036287A1 Biodiesel processes in the presence of free fatty acids and biodiesel producer compositions |
| 03/27/2008 | WO2007145795A3 Production of acetic acid and mixtures of acetic acid and acetic anhydride |
| 03/27/2008 | US20080076166 Method For Producing Polyunsaturated Fatty Acids In Transgenic Organisms |
| 03/27/2008 | US20080076164 Producing oils and/or lipids having high content of polyunsaturated fatty acids containing at least two double bonds in recombinant animals comprising ketoacyl-CoA reductase genes |
| 03/27/2008 | DE19536814B4 Ein neues Verfahren zur Herstellung von Terephthalsäure und ihrer Isomeren A new process for the production of terephthalic acid and of their isomers |
| 03/27/2008 | DE102006041941A1 Verfahren zur Herstellung von 1,2-Diolen aus Carbonyl-Verbindungen A process for the preparation of 1,2-diols from carbonyl compounds |
| 03/27/2008 | CA2663692A1 Biodiesel processes in the presence of free fatty acids and biodiesel producer compositions |
| 03/27/2008 | CA2662647A1 Liquid-gas phase reactor system |
| 03/26/2008 | EP1901843A1 Method for start-up of oxidation catalysts |
| 03/26/2008 | EP1397337B1 Vapor-phase carbonylation of lower aliphatic alcohols using tin promoted iridium catalyst |
| 03/26/2008 | EP1301457B1 Method for producing acrylic acid by the heterogeneously catalysed gas-phase oxidation of propane |
| 03/26/2008 | CN101151238A Method for producing organic compound and method for decomposing compound having dicarboxyimide skeleton |
| 03/26/2008 | CN101151237A Acrylic acid, water-absorbent polymer structures based on renewable resources and method for producing said structures |
| 03/26/2008 | CN101151097A Palladium-containing catalyst, method for producing the same, and method for producing alpha,beta-unsaturated carboxylic acid |
| 03/26/2008 | CN101148458A Cogeneration method for sugar and acetylpropionic acid by utilizing lignocellulose-like biomass |
| 03/26/2008 | CN101148405A Separation device and method for citric acid |
| 03/26/2008 | CN101148404A Method for producing (meth) acrylic acid |
| 03/26/2008 | CN100376538C Method for producing acrylic acid from propane, in the presence of molecular oxygen |
| 03/26/2008 | CN100376537C Method for recovering and treating perfluoro ammonium caprylate for PTFE resin production by dispersion method |
| 03/26/2008 | CN100376536C Improved (amm)oxidation method for conversion of lower alkane |
| 03/26/2008 | CN100376535C Process for the production of acetic acid |
| 03/26/2008 | CN100376325C Oxo synthesis catalyst and its preparation process and application in preparing acetic acid and acetic anhydride |
| 03/26/2008 | CN100376321C Apparatus and method of producing aromatic carboxylic acids |
| 03/25/2008 | US7348455 Decomposing high boiling mixture containing a Michael addition product having water, an alcohol or (meth)acrylic acid added to a (meth)acryloyl group; while forcibly imparting a liquid flow in circumferential direction to a liquid reaction residue in the decomposition reactor, residue is discharged |
| 03/25/2008 | US7348454 Process for the hydrocarboxylation of ethylenically unsaturated carboxylic acids |
| 03/25/2008 | US7348452 Minimizes solvent loss through solvent burn and minimizes formation of incomplete oxidation products such as 4-carboxybenzaldehyde; reducing the amount of solvent burn lowers operating costs in oxidation zone by allowing greater amount of solvent to be recovered and recycled |
| 03/25/2008 | US7348443 Method for producing partial oxidation products and/or partial ammoxidation products of at least one olefinic hydrocarbon |
| 03/20/2008 | WO2008034109A1 Methods of robust and efficient conversion of cellular lipids to biofuels |
| 03/20/2008 | WO2008033836A2 Process and intermediates for preparing integrase inhibitors |
| 03/20/2008 | WO2008033687A2 Process for producing acrylic acid |
| 03/20/2008 | WO2008033566A1 A process to produce an enrichment feed |
| 03/20/2008 | WO2008033335A2 Process for preparing fluorinated carboxylic acids |
| 03/20/2008 | WO2008016502A3 Preparation of acetic acid |
| 03/20/2008 | WO2008006394A8 Process for the preparation of optically active (4e)-5- halo-2-alkylpent-4-enoic acids and their ester derivatives |
| 03/20/2008 | US20080071111 Vapor phase catalytic oxidation;separation of by-products from solution, crystallization, purification, accumulation |
| 03/20/2008 | US20080071110 Carboxylation of an alcohol in presence of metal catalyst |
| 03/20/2008 | US20080071109 Vapor phase catalytic oxidation; using propane, propylene, isobutylene; controlling temperature |
| 03/20/2008 | US20080071101 Contacting with steam; forming thin film; reduced odor; color efficiency; demetallization |
| 03/20/2008 | CA2661943A1 Process and intermediates for preparing integrase inhibitors |