| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 03/03/2011 | US20110054142 Cyclohexanone production process with modified post-distillation |
| 03/03/2011 | US20110053050 Method of functionalizing a carbon material |
| 03/03/2011 | US20110052641 Halogenated aliphatic carboxylic acids, oligomers and/or polymers thereof and their use in devitalizing external and internal neoplasms |
| 03/03/2011 | CA2772115A1 Recovery of volatile carboxylic acids by extractive evaporation |
| 03/03/2011 | CA2772112A1 Recovery of volatile carboxylic acids by a stripper- extractor system |
| 03/02/2011 | EP2289867A2 A process for producing 4-(4-halo-1-oxybutyl)-alpha,alpha-dimethylbenzene acetic acid or alkyl esters thereof |
| 03/02/2011 | EP2288588A1 Method of dehydrating acetic acid |
| 03/02/2011 | EP2288587A2 Method for producing phthalic acid anhydride |
| 03/02/2011 | CN101983174A Method for producing a nanocrystalline bismuth-molybdenum mixed oxide |
| 03/02/2011 | CN101982541A Method for jointly producing biodiesel and lactic acid |
| 03/02/2011 | CN101982452A Method for extracting terephthalic acid from alkali weight reduction waste liquor |
| 03/02/2011 | CN101289381B Process for synthesizing (R)-3-methylhenanthic acid |
| 03/01/2011 | US7897814 Method for extracting methacrylic acid |
| 03/01/2011 | US7897813 Reactor for gas phase catalytic oxidation and a process for producing acrylic acid using it |
| 03/01/2011 | US7897812 Propane is partially dehydrogenated in a reaction zone, hydrogen formed is incinerated partly to water and product gas is charged directly to another reaction zone, where propylene formed is partially oxidized; product removed; CO2 scrubbed from residual gas and discharged recycled to first reaction zone |
| 03/01/2011 | US7897810 Optimized production of aromatic dicarboxylic acids |
| 03/01/2011 | US7897809 Process to produce an enrichment feed |
| 03/01/2011 | US7897808 Versatile oxidation byproduct purge process |
| 02/24/2011 | WO2011022683A1 A method for conversion of carbon dioxide to methane using visible and near infra-red light |
| 02/24/2011 | WO2011020878A2 Method for producing 4-pentenoic acid |
| 02/24/2011 | US20110046413 Process for preparing 4-pentenoic acid |
| 02/24/2011 | US20110046399 Process for preparing a hydroxyacid or hydroxyester |
| 02/24/2011 | US20110046297 Method for producing and purifying aqueous phases |
| 02/23/2011 | EP2287141A1 Method for producing unsaturated organic compound |
| 02/23/2011 | EP2285777A1 Synthesis of 4-[3-(2,6-dimethylbenzyloxy)phenyl]-4-oxobutanoic acid |
| 02/23/2011 | EP2285766A2 A process for preparation of formate salt |
| 02/23/2011 | EP2285765A1 Process of preparing derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid |
| 02/23/2011 | EP2285487A2 Catalytic oxidation reactions in supercritical or near-supercritical water for the production of an aromatic carboxylic acid |
| 02/23/2011 | EP1581340B1 Process for preparing vanadyl pyrophosphate catalyst |
| 02/23/2011 | EP1449822B1 Method for producing trans-1,4-cyclohexane dicarboxylic acid |
| 02/23/2011 | CN201751721U New device for recovering PTA (Purified Terephthalic Acid) energy |
| 02/23/2011 | CN1950321B Process for preparing carboxylic acids and derivatives thereof |
| 02/23/2011 | CN101981106A Polyol ester plasticizers and process of making the same |
| 02/23/2011 | CN101981001A New process for the preparation of cyclohexanecarboxylic acid dericatives |
| 02/23/2011 | CN101980998A Purification of acetic acid from wood acetylation process |
| 02/23/2011 | CN101980997A Process for production of high-purity trimellitic acid |
| 02/23/2011 | CN101980781A Catalyst for methacrylic acid production, method for producing the same, and method for producing methacrylic acid |
| 02/23/2011 | CN101980780A Method for the decarboxylative hydroformylation of alpha,beta-unsaturated carboxylic acids |
| 02/23/2011 | CN101979394A A method to inhibit ethylene responses in plants |
| 02/23/2011 | CN101979372A Preparation method of methoxyacetic acid |
| 02/23/2011 | CN101979371A Method for producing 2-butenoic acid |
| 02/23/2011 | CN101979370A Method for improving quality of technical grade acetic acid |
| 02/23/2011 | CN101979369A Method for preparing chromium formate by reducing chromic anhydride with formic acid |
| 02/23/2011 | CN101979368A Method for extracting and salting organic acids out of fermentation liquor |
| 02/23/2011 | CN101979129A Tail gas green management process for use in oxidization of benzene homologues in air |
| 02/23/2011 | CN101010278B 优化的液相氧化 Optimized liquid phase oxidation |
| 02/22/2011 | US7893298 Method for concentrating an aqueous ammonium carbamate stream |
| 02/22/2011 | US7893295 Hydrogenation of benzene polycarboxylic acids or derivatives thereof |
| 02/22/2011 | US7893287 Methods of preparing hydroxy functional vegetable oils |
| 02/22/2011 | US7893152 polymer-coated pigment particles for ink jet inks; improved waterfastness, smear and smudge resistance, contrast, and discoloration inhibition |
| 02/22/2011 | US7893122 Chemical process for recycling polyethylene terephthalate (PET) waste |
| 02/22/2011 | US7892518 fluorinating a specific position of a saccharide substrate selectively without affecting a protective group at a temperature within a wide range safely and easily with N, N-diethyl-alpha, alpha-difluoro(3-methyl)benzylamine a fluorinating agent under irradiation with microwave or electromagnetic wave |
| 02/22/2011 | US7892403 Handling device and producing system of easy-to-polymerize compound |
| 02/22/2011 | CA2460030C Ethane oxidation catalyst and process utilising the catalyst |
| 02/17/2011 | WO2011018466A1 Process for the manufacture of sevoflurane |
| 02/17/2011 | WO2011017870A1 Method and system for separating and filtrating for crude terephthalic acid in preparation of refined terephthalic acid |
| 02/17/2011 | WO2011017869A1 Method and apparatus for recycling hydrogen in refining unit of device for refined terephthalic acid |
| 02/17/2011 | US20110040121 Process for producing purified terephthalic acid |
| 02/17/2011 | US20110040115 Intermediates and process for the preparation of aromatic derivatives of 1-adamantane |
| 02/17/2011 | US20110039934 Process for the preparation of derivatives of 1-(2- halobiphenyl-4-yl)-cyclopropanecarboxylic acid |
| 02/17/2011 | US20110039932 Polyunsaturated fatty acid monovalent and divalent metal salt synthesis |
| 02/17/2011 | US20110038794 Method of radiolabelling carbon nanotubes, radiolabelled carbon nanotubes and applications thereof |
| 02/17/2011 | CA2769797A1 Process for the manufacture of sevoflurane |
| 02/16/2011 | EP2282987A1 Unsaturated dicarboxylic acids from unsaturated cyclic hydrocarbons and acrylic acid by way of metathesis, the use thereof of as monomers for polyamides, polyesters and polyurethanes, and subsequent reaction to diols and diamines |
| 02/16/2011 | EP2282986A1 Method for producing aromatic and heteroaromatic carboxylic acids, carboxylic acid esters and carboxylic acid amides |
| 02/16/2011 | CN201744347U Chemical reaction device for sufficiently and cyclically utilizing gas raw materials |
| 02/16/2011 | CN101977885A Method for preparing difluoroacetic acid and salts thereof |
| 02/16/2011 | CN101977678A Plate type reactor, manufacturing method therefor, and reaction product manufacturing method using the plate type reactor |
| 02/16/2011 | CN101974571A Method for preparing crocetin from jasmine |
| 02/16/2011 | CN101973951A Chiral D-oxazoline and application thereof |
| 02/16/2011 | CN101973890A Method for preparing and synthesizing chiral (R)-alpha-phenylethylamine acetate |
| 02/16/2011 | CN101973874A Preparation method of 3-dehydroshikimic ester compound |
| 02/16/2011 | CN101973872A Synthetic process of 4-(4-chlorophenyl) cyclohexane-1-methanoic acid |
| 02/16/2011 | CN101973871A Electronic grade citric acid and production method thereof |
| 02/16/2011 | CN101973870A Preparation method of glycollic acid from oxalaldehyde by intramolecular disproportionation |
| 02/16/2011 | CN101973869A Method for synthesis of flurbiprofen |
| 02/16/2011 | CN101973868A Sodium phenylbutyrate crystal I and preparation method thereof |
| 02/16/2011 | CN101973867A Method for preparing 3,3,3-trifluoropropionic acid |
| 02/16/2011 | CN101973866A Preparation method for synthesizing propionic acid by carbonylation |
| 02/16/2011 | CN101973865A Method for chloridizing carboxylic acid to corresponding acyl chloride by utilizing environmental pollutant-carbon tetrachloride |
| 02/16/2011 | CN101972623A Continuous oxidation reaction kettle for trimethyl benzene |
| 02/16/2011 | CN101972320A Method for extracting ferulic acid, chlorogenic acid and other aicd components from coptis chinensis franch |
| 02/16/2011 | CN101265175B Method for reclaiming acetic acid from furfural waste water by heteroatoms zeolite molecular sieve film pervasion evaporation |
| 02/16/2011 | CN101172946B Gold potassium lemon acid for gold plating and method for producing the same |
| 02/16/2011 | CN101139280B Preparation method of sodium acetate anhydrous |
| 02/15/2011 | US7888531 Nateglinide crystals |
| 02/15/2011 | US7888530 By recovering and purifying residual terephthalic acid present in the liquid phase of the initial oxidation slurry; two oxidation reactors, multiple zones for evaporation, displacement, crystallization, separation and hydrogenation; final composite product formed containing unhydrogenated acid particles |
| 02/15/2011 | US7888529 Process to produce a post catalyst removal composition |
| 02/15/2011 | US7888281 Selective oxidation of alkanes and/or alkenes to valuable oxygenates |
| 02/15/2011 | US7887765 Feeding reaction mixture into stirred oxidation reactor at specific locations, thereby increasing the efficiency of oxidation reaction; for liquid-phase oxidation of an aromatic alkyl to an aromatic carboxylic acid |
| 02/15/2011 | CA2469647C Extraction and winterization of lipids from oilseed and microbial sources |
| 02/10/2011 | WO2011016376A1 Isotopelabeled 2-arylpropionic acid compounds and process for production of same, and molecular probe for positron emission tomography and method for imaging of cyclooxygenase and the like using same |
| 02/10/2011 | WO2011015645A2 Process for preparing a hydroxyacid or hydroxyester |
| 02/10/2011 | WO2011015643A1 Process for hydrogenation |
| 02/10/2011 | WO2011015287A2 Process for the preparation of derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid |
| 02/10/2011 | WO2011015169A1 Method and system for producing phthalic acid/phthalic anhydride |
| 02/10/2011 | US20110034727 Process for Preparing Gamma-Hydroxybutyrate |
| 02/10/2011 | US20110034725 Process for separating sterols and acids from tall oil pitch |
| 02/10/2011 | DE102009036295A1 Verfahren und Anlage zur Herstellung von Phthalsäure/Phthalsäureanhydrid Process and apparatus for the production of phthalic acid / phthalic anhydride |
| 02/10/2011 | CA2769960A1 Process for the preparation of derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid |