| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 10/01/2008 | CN101277615A Metal soap for addition to food and process for production thereof |
| 10/01/2008 | CN101274891A S-4- methyloctane derivate, synthetic method thereof and application thereof to (S)-3-methyl-heptanoate sythesis |
| 10/01/2008 | CN101274889A Preparation for 3-(2-Chloro-ª,ª,ª-trifluoro-p-tolyoxy) benzoic acid |
| 10/01/2008 | CN101274888A Preparation for dimethoxy or polymethoxy substituted phenylacetic acid |
| 10/01/2008 | CN101274887A Process for separating saturated fatty acids from fatty acid mixtures by aid of polyglycerol esters |
| 10/01/2008 | CN100422134C 2-(alpha-n-pentanone) phenmethyl and its preparation process and application |
| 10/01/2008 | CN100422133C Novel 2-(alpha-hydroxyl amyl) and its preparing method and use |
| 10/01/2008 | CN100422132C Method for production of acrylic acid |
| 10/01/2008 | CN100422131C Process for separating and recovering 3-hydroxypropionic acid and acrylic acid |
| 10/01/2008 | CN100422130C Method for making carboxylic acids |
| 10/01/2008 | CN100422129C Production process of optically pure 2- (4-hydroxyphenoxy) - propionic acid compounds |
| 10/01/2008 | CN100421794C Mo-V-M-Nb-X oxide catalyst for selective hydrocarbon oxidation synthesied by water heat |
| 10/01/2008 | CN100421791C Catalyst carried by Nano carbon fiber in use for refining terephthalic acid through hydrogen added |
| 10/01/2008 | CN100421790C Method for preparing a catalyst for partial oxidation of acrolene |
| 10/01/2008 | CN100421786C Tungsten promoted catalyst for carbonylation of lower alkyl alcohols |
| 09/30/2008 | US7429678 catalyst is excellent in activity, selectivity, and catalyst life time and displays stable performances for a long time |
| 09/30/2008 | US7429621 Cyclone reactor and associated methods |
| 09/30/2008 | CA2194688C Dehydration of acetic acid by azeotropic distillation in the production of an aromatic acid |
| 09/25/2008 | WO2008114745A1 Crystallizer and its operation method |
| 09/25/2008 | WO2008113731A2 Polynary metal oxide phosphate |
| 09/25/2008 | WO2008113730A2 Polynary vanadyl pyrophosphate |
| 09/25/2008 | WO2008113729A2 Polynary metal vanadium oxide phosphate |
| 09/25/2008 | WO2008113728A2 Polynary metal oxide phosphate |
| 09/25/2008 | WO2007103024A8 Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system |
| 09/25/2008 | US20080234522 Method for vapor phase catalytic oxidation |
| 09/25/2008 | US20080234513 Oxide Catalyst for Oxidation or Ammoxidation |
| 09/25/2008 | US20080234512 Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream |
| 09/25/2008 | US20080234501 Reacting xylene with chloroacetyl chloride forming 2-chloro-1-(2,5-dimethylphenyl)ethanone; rearrangement; hydrolysis |
| 09/25/2008 | US20080234488 Using Group 8, or compound thereof, as catalyst; deuteration a compound containing aromatic or heterocyclic ring |
| 09/25/2008 | US20080233621 inexpensive and efficient industrial method for obtaining (S)-2-pentanol, (S)-2-hexanol, 1-methylalkyl malonic acid and 3-methyl carboxylic acid at a high optical purity; carbonyl reductase to act on 2-pentanone or 2-hexanone |
| 09/25/2008 | US20080230481 Process for the Removal of Catalytic Metals and Promoter Metals from Carbonylation Process Streams |
| 09/25/2008 | DE10038457B4 Verfahren zur Gewinnung von Sterinen und Tocopherolen A process for the production of sterols and tocopherols |
| 09/24/2008 | EP1971566A1 A process for preparing high purity terephthalic acid |
| 09/24/2008 | EP1971565A2 Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid, method of making and method of using thereof |
| 09/24/2008 | EP1971425A1 Oxidation system employing internal structure for enhanced hydrodynamics |
| 09/24/2008 | EP1641735B1 Method for the production of metal salts of short-chained, unsaturated, carboxylic acids and use thereof |
| 09/24/2008 | CN201121174Y Waterless oxalic acid producing apparatus |
| 09/24/2008 | CN101273005A Improved process for the production of derivatives of saturated carboxylic acids |
| 09/24/2008 | CN101273004A Process for production of acetic acid |
| 09/24/2008 | CN101272857A Improved catalyst system |
| 09/24/2008 | CN101270044A Method and apparatus for drying crystalline carboxylic acids |
| 09/24/2008 | CN101270043A Method for preparing lactic acid by catalysis hydrolyzation of glucose with shaping molecular sieve |
| 09/24/2008 | CN101270042A Method for separating calcium sulphate in lactic acid production |
| 09/24/2008 | CN101270041A Catalytic oxidation method of preparing a-methyl cinnamic acid |
| 09/24/2008 | CN101269333A Method for preparing unsaturated aldehyde and/or unsaturated carboxylic acid |
| 09/24/2008 | CN100420666C Method for treating perfluoro ammonium caprylate in waste water for PTFE dispersion resin production |
| 09/24/2008 | CN100420665C Method for extracting 'Danfen' phenolic acid-A |
| 09/23/2008 | US7427692 Process for preparation of 7-[α-amino (4-hydroxyphenyl) acetamido]-3-substituted-3-cephem-4-carboxylic acid |
| 09/23/2008 | US7427688 Production method of optically active diphenylalanine compounds |
| 09/18/2008 | WO2008113028A1 Compositions and processes for the selective catalytic oxidation of alcohols |
| 09/18/2008 | WO2008111764A1 Environmentally benign and simplified method for preparation of aromatic dicarboxylic acid |
| 09/18/2008 | WO2008111631A1 METHOD FOR PRODUCING α-METHYLBENZYLAMINE SALT |
| 09/18/2008 | WO2008110468A1 Method for producing acetic and formic acid by the gas phase oxidation of ethanol |
| 09/18/2008 | WO2008080992A3 A process for the preparation of 6-[3-(1-adamantyl)-4-methoxyphenyl-2-naphtoic acid |
| 09/18/2008 | US20080228003 Method for producing (meth) acrylic acid derivitive |
| 09/18/2008 | US20080228002 Metal Surfaces to Inhibit Ethylenically Unsaturated Monomer Polymerization |
| 09/18/2008 | US20080228001 catalytic gas phase oxidation process; supplying propylene, propane, or isobutylene and a gas containing molecular oxygen to a reactor which contains a catalyst; good selectivity and a high yield |
| 09/18/2008 | US20080227993 Epoxidation; superior biodegradability and low ecotoxicity; cold filter plug point and cloud point for biodiesel fuels, pour point for oils and lubricants, viscosity; Green fuel, oil |
| 09/18/2008 | US20080227984 Selective Oxidation of Organic Compounds |
| 09/18/2008 | US20080226555 Method for the Use of [11C] Carbon Monoxide in Labeling Synthesis of 11C-Labelled Esters and Acids by Sensitized Photo-Induced Free Radical |
| 09/18/2008 | DE102007011847A1 Verfahren zur Herstellung von Essig- und Ameisensäure durch Gasphasenoxidation von Ethanol A process for the production of acetic and formic acid by gas phase oxidation of ethanol |
| 09/17/2008 | EP1970367A2 Method for producing hydroxyphenyl acrylate monomers and polymers |
| 09/17/2008 | EP1968929A2 Production of acid propionates |
| 09/17/2008 | EP1968928A1 Process for synthesizing a heteropoly acid catalyst for oxidation of unsaturated aldehydes to unsaturated carboxylic acid |
| 09/17/2008 | EP1968917A2 Process for converting carbohydrates to hydrocarbons |
| 09/17/2008 | EP1968743A1 Conversion of a precatalyst to a catalytically active silver-vanadium oxide bronze |
| 09/17/2008 | EP1490171B1 Fatty acid isomerization with mesoporous zeolites |
| 09/17/2008 | CN101268034A Process for removal of benzoic acid from an oxidizer purge stream |
| 09/17/2008 | CN101268033A Method for recovering tungsten |
| 09/17/2008 | CN101267860A Organic compounds |
| 09/17/2008 | CN101265183A Method for preparing 2,3,4-trimethoxybenzoic acid |
| 09/17/2008 | CN101265182A Method for preparing 2,6-naphthalic acid |
| 09/17/2008 | CN101265181A Isomerization method for substituted aromatic nonatetraenes derivatives |
| 09/17/2008 | CN101265180A Method for preparing lactic acid |
| 09/17/2008 | CN101265179A Technique for purifying lactate |
| 09/17/2008 | CN101265177A Petroselinic acid compounds |
| 09/17/2008 | CN101265176A Method for purifying LiODFB |
| 09/17/2008 | CN101265175A Heteroatoms zeolite molecular sieve film pervasion evaporation method for reclaiming acetic acid from furfural waste water |
| 09/17/2008 | CN101265174A Method for extracting hydroxyacetic acid from water solution mixture containing hydroxyacetic acid |
| 09/17/2008 | CN101265173A Method for preparing calcium stearate particles |
| 09/17/2008 | CN101265148A Method for preparing formic acid, methanol and methane by using metal hydro-thermal to reduce CO2 |
| 09/17/2008 | CN101264394A Synergic reagent for separating glycolic acid from water solution containing inorganic salt and uses thereof |
| 09/17/2008 | CN100418941C Method for pruification of alpha-hydroxy acid on industrial scale |
| 09/16/2008 | US7425662 Oligomerization of olefins |
| 09/16/2008 | US7425646 Excellent in physical properties such as heat resistance, light resistance, chemical resistance, low refractive index properties, water repellency, oil repellency and transparency |
| 09/12/2008 | WO2008108073A1 Immobilized cyclic imide catalyst and process for oxidation of organic compounds with the same |
| 09/12/2008 | WO2008089398B1 Selective oxidation of alkanes and/or alkenes to valuable oxygenates |
| 09/11/2008 | US20080221352 Cost-saving scheme to bypass the methyl acetate processing at production facilities and use the methyl acetate in an integrated methanol carbonylation unit |
| 09/11/2008 | US20080221344 Biodiesel fuel and method of manufacture therefor |
| 09/11/2008 | US20080220267 Substituted aliphatic groups containing at least one ethylene oxide moiety and terminating with a polymerisable acrylic ester group; Oriented Strand Board (OSB), Medium Density Fibreboard, ceramic tiles |
| 09/11/2008 | US20080216915 Method for vapor phase catalytic oxidation |
| 09/10/2008 | EP1967507A2 An improved process for converting alkanes to unsaturated carboxylic acids |
| 09/10/2008 | EP1966292A2 Ethanolysis of pet to form det and oxidation thereof |
| 09/10/2008 | EP1966116A1 Method for the heterogeneously catalysed partial gas phase oxidation of propylene to form acrylic acid |
| 09/10/2008 | EP1966115A1 Carbonylation process |
| 09/10/2008 | CN101261497A Industrial device crude terephthalic acid hydrofinishing reaction course optimizing operation method |
| 09/10/2008 | CN101260344A Method for producing docosapentaenoic acid and docosahexaenoic acid mixed fatty acid from micro-algae oil |
| 09/10/2008 | CN101260038A Method for purifying 3,4,5-trimethoxylbenzoic acid |
| 09/10/2008 | CN101260037A Modeling method for alkylarene liquid phase oxidation dynamics mechanism model |
| 09/10/2008 | CN101260036A Modified technique for refined unit in acrylic acid production device |