| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 09/24/2009 | WO2009117487A2 Improved systems and processes for the production of isophthalic acid and terephthalic acid |
| 09/24/2009 | WO2009117055A1 Removing hydrocarbon impurities from acetic acid production process |
| 09/24/2009 | WO2009116550A1 Catalytic vapor-phase oxidation method |
| 09/24/2009 | WO2009115810A1 Alkanolamine adduct formulations |
| 09/24/2009 | WO2009115426A1 Method for preparing difluoroacetic acid and salts thereof |
| 09/24/2009 | WO2009115280A1 Remineralizing saliva substitute and method for the production thereof |
| 09/24/2009 | WO2009115272A1 Remineralizing dental care product and method for the production thereof |
| 09/24/2009 | US20090240068 Methods of making cyclododecatriene and methods of making laurolactone |
| 09/24/2009 | US20090239995 Acrylic acid and water-absorbing polymer structures based on renewable raw materials and process for their production by dehydration |
| 09/24/2009 | DE102008013474A1 Katalytisches Verfahren zur Gewinnung von chemischen Grundstoffen aus nachwachsenden Rohstoffen Catalytic process for the production of basic chemicals from renewable resources |
| 09/23/2009 | EP2103591A1 Method for producing acrylic acid |
| 09/23/2009 | EP2102142A1 Improved method for the production of unsaturated carboxylic acid anhydrides |
| 09/23/2009 | EP2102141A1 Neutralization method |
| 09/23/2009 | EP1646603B1 Thermal separating method for separating at least one mass flux containing enriched (meth)acrylic monomers |
| 09/23/2009 | EP1508561B1 2-(a-HYDROXYPENTYL) BENZOATE AND ITS PREPARATION AND USE |
| 09/23/2009 | CN101541737A Process for the synthesis of 2,5-dihydroxyterephthalic acid |
| 09/23/2009 | CN101541736A Process for the synthesis of 2,5-dihydroxyterephthalic acid |
| 09/23/2009 | CN101541735A Process for the synthesis of 2,5-dihydroxyterephthalic acid |
| 09/23/2009 | CN101541734A Process for the synthesis of hydroxy aromatic acids |
| 09/23/2009 | CN101541733A Process for the synthesis of hydroxy aromatic acids |
| 09/23/2009 | CN101541732A Process for the synthesis of 2,5-dihydroxyterephthalic acid |
| 09/23/2009 | CN101541731A Process for the synthesis of hydroxy aromatic acids |
| 09/23/2009 | CN101541730A Process for the synthesis of hydroxy aromatic acids |
| 09/23/2009 | CN101538199A Method for drying terephthalic acid under micro-negative pressure |
| 09/23/2009 | CN101537299A Method for recycling organic matters in tail gas from production of terephthalic acid |
| 09/23/2009 | CN100543005C Method for long term operation of a multiphase catalyzed gas phase partial oxidation of acrolein in order to form acrylic acid |
| 09/23/2009 | CN100542673C Preparation of annular unsupported catalysts |
| 09/23/2009 | CN100542525C Method for the production of solid formulations of sodium 3-hydroxy-3-methylbutyrate |
| 09/22/2009 | US7592484 reacting trifluoromethane with oxygen gas or air while heating a corrosion resistance material of a reaction vessel in a portion contacting the reaction gas being Ni Cr alloy, a Ni Mo alloy, a Ni Cr Mo alloy, Ni Cu alloy or Ni, reduced by-product CO2 |
| 09/22/2009 | US7592480 Process for producing optically active carboxylic acid |
| 09/22/2009 | US7592477 Substituted methylene amide derivatives as modulators of protein tyrosine phosphatases (PTPs) |
| 09/22/2009 | US7592297 Anti-friction anti-wear lubricant additive |
| 09/22/2009 | US7592294 Within fluidized beds; high coating efficiency |
| 09/22/2009 | CA2471534C Low sediment process for thermally reacting highly reactive polymers and enophiles |
| 09/17/2009 | WO2009114070A1 Purification of acetic acid from wood acetylation process using extraction |
| 09/17/2009 | WO2009113428A1 Method for producing optically active ester and method for producing optically active carboxylic acid |
| 09/17/2009 | WO2009111951A1 A process for producing purified terephthalic acid |
| 09/17/2009 | WO2009111915A1 Bromide-free tempo-mediated oxidation of the primary alcohol in carbohydrate under two-phase conditions |
| 09/17/2009 | US20090234160 Process for producing succinic acid |
| 09/17/2009 | US20090234159 heterogeneously catalyzed partial oxidation of acrolein to acrylic acid; catalyst selectivity and activity; involves heat treatment of mixed oxide in low oxygen atmosphere with liberation of ammonia |
| 09/17/2009 | US20090234158 Catalyst for use in production of methacrylic acid and method for manufacturing the same |
| 09/17/2009 | US20090234156 Process and Apparatus for Manufacturing Pure Forms of Aromatic Carboxylic Acids |
| 09/17/2009 | US20090234152 Hydrogenation of Benzene Polycarboxylic Acids or Derivatives Thereof |
| 09/17/2009 | US20090234121 Tridentate (nnc) catalysts for the selective oxidation of hydrocarbons |
| 09/17/2009 | CA2719715A1 Purification of acetic acid from wood acetylation process using extraction |
| 09/16/2009 | EP2100873A1 Process for producing (meth)acrylic acid |
| 09/16/2009 | EP2100872A1 Acrylic acid production process, acrylic acid production apparatus, and composition for production of acrylic acid |
| 09/16/2009 | EP2100871A1 Catalytic method for preparing lactic acid from renewable raw materials |
| 09/16/2009 | EP2099737A1 Process for the synthesis of 2,5-dihydroxyterephthalic acid |
| 09/16/2009 | EP2099736A1 Process for the synthesis of hydroxy aromatic acids |
| 09/16/2009 | EP1542957B1 Process for preparing fluorocarboxylic acids |
| 09/16/2009 | EP1462435B1 Process for producing diene compound |
| 09/16/2009 | EP1074536B1 Oxidation method |
| 09/16/2009 | CN101531590A Ginkgoic acid preparation method using macroporous adsorption resin |
| 09/16/2009 | CN101531589A Gallic acid bismuth zirconium double metal salt, preparation method and application thereof |
| 09/16/2009 | CN101531588A Method for preparing new purified terephthalic acid |
| 09/16/2009 | CN101531587A Zirconium lead tartrate double metal salt, preparation method and application thereof |
| 09/16/2009 | CN101531586A Method for preparing methacrylic acid |
| 09/16/2009 | CN101531585A Method for preparing 3-methyl-3-butenoic acid |
| 09/16/2009 | CN101531584A Method for preparing 3-butenoic acid |
| 09/16/2009 | CN101531583A Method for the synthesis of alpha-bromoadamantane acetic acid at high yield |
| 09/16/2009 | CN101531582A Method for preparing sodium diacetate by industrial waste |
| 09/16/2009 | CN101531581A Regenerative method of PET wastes |
| 09/16/2009 | CN101530810A Carried molecular sieve catalyst and application thereof in 2,6-naphthalene dicarboxylic acid synthesis |
| 09/16/2009 | CN101530804A Skeletal copper |
| 09/16/2009 | CN101530764A Method for the extended operation of a heterogeneous catalyzed gas phase partial oxidation of at least one organic compound |
| 09/16/2009 | CN100540523C Novel L-2-(alpha-hydroxy pentyl)benzoate and its preparation method and use |
| 09/16/2009 | CN100540521C Process for recovering gulonicacid from gulonicacid mother liquor |
| 09/16/2009 | CN100540520C Method for preparing formic acid by extraction of phosphorus acid and sodium formate |
| 09/15/2009 | US7589236 Process for separating acrylic acid and benzoic acid present in a product gas mixture of a partial heterogeneously catalyzed gas phase oxidation of a C3 precursor compound of acrylic acid |
| 09/15/2009 | US7589235 strontium salt of an organic dicarboxylic acid, e.g. strontium malonate of high purity; reacting strontium hydroxide or strontium chloride with diacid in aqueous solution at given tempeature, pressure and molar ratio; end use as pharmaceutical, fertilizer, vitamins, in industrial products |
| 09/15/2009 | US7589234 Fluoroalkyl carboxylic acid derivative, method for producing fluorine-containing polymer, and aqueous dispersion of fluorine-containing polymer |
| 09/15/2009 | US7589231 Producing terephthalic acid via introducing stream comprising p-xylene into reaction zone of bubble column reactor, introducing oxidant stream; cost efficiency; highly efficient reaction at relatively low temperatures, terephthalic acid purified and separated by more economical techniques |
| 09/15/2009 | US7589230 Process for the preparation of diphenic acid |
| 09/15/2009 | US7589222 Triglycerides and method of preparation thereof |
| 09/15/2009 | US7588790 Process for the removal of undesired flavour and odour components from potassium lactate |
| 09/15/2009 | US7588739 Fixed bed multitube reactor |
| 09/15/2009 | CA2448071C Two stage oxidation process for the production of aromatic dicarboxylic acids |
| 09/15/2009 | CA2270353C Improved process for preparing acetaldehyde from ethylene and oxygen |
| 09/11/2009 | WO2009110384A1 Method and device for recovering organic substances in water |
| 09/11/2009 | WO2009110203A1 Process for production of oxygen-containing organic compound |
| 09/11/2009 | WO2009109857A1 Method for producing carboxylic acids by oxidative cleavage of unsaturated compounds |
| 09/11/2009 | WO2009080629A3 A process to make a clay comprising charge-balancing organic ions, clays thus obtained, and nanocomposite materials comprising the same |
| 09/11/2009 | WO2009080597A3 Process for preparing organically modified layered double hydroxide |
| 09/11/2009 | WO2008129051A3 Organometallic framework materials having a hexagonal-trigonal structure based on aluminum, iron, and chromium, and a dicarboxylic acid |
| 09/10/2009 | US20090227809 New 2-(alpha-hydroxypentyl) benzoates, their preparations and their uses |
| 09/09/2009 | EP2097366A2 Method for producing o-chloromethyl benzenecarbonyl chlorides |
| 09/09/2009 | EP2097365A2 Method for preparing acrylic acid from glycerol |
| 09/09/2009 | EP1896383B1 Method for selectively oxidizing ethane to ethylene |
| 09/09/2009 | EP1404637B1 Method for producing partial oxidation products and/or partial ammoxidation products of at least one olefinic hydrocarbon |
| 09/09/2009 | CN101528658A Process for preparing acrylic acid purified by crystallization from hydroxypropionic acid and apparatus therefor |
| 09/09/2009 | CN101528657A Manufacture of substantially pure monochloroacetic acid |
| 09/09/2009 | CN101528656A Acrylic acid production process, acrylic acid production apparatus, and composition for production of acrylic acid |
| 09/09/2009 | CN101525639A Technique for refining erucic acid through microbial fermentation |
| 09/09/2009 | CN101525289A Method for separating purified ginkgoic acid with anion exchanger |
| 09/09/2009 | CN101525288A Preparation method of 2, 4-D dimethylamine salt material drug |
| 09/09/2009 | CN101525287A Method for refining sebacic acid |
| 09/09/2009 | CN101525286A Process for preparing 4-methyl caprylic acid |
| 09/09/2009 | CN101525285A Method for separating acetic acid in fermentation liquid for biohydrogen production by bipolar membrane electrodialysis technique |
| 09/09/2009 | CN101525284A Method for reclaiming aliphatic carboxylic acid |