| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 04/13/2011 | CN102015609A Method for starting a gas phase oxidation reactor that contains a catalytically active silver-vanadium oxide bronze |
| 04/13/2011 | CN102015608A Improved systems and processes for the production of isophthalic acid and terephthalic acid |
| 04/13/2011 | CN102015541A Method for producing a nanocrystalline molybdenum mixed oxide |
| 04/13/2011 | CN102015088A Method and apparatus for carbonylating methanol with acetic acid enriched flash stream |
| 04/13/2011 | CN102010692A Phase change energy storage material prepared from oleic acid or esters of energy storage material and preparation method thereof |
| 04/13/2011 | CN102010328A Long-chain alkyl salicylic compound as well as preparation method application thereof |
| 04/13/2011 | CN102010327A Splitting method of (+/-)-2-(3-benzoyl)-phenylpropionic acid |
| 04/13/2011 | CN102010326A Industrial method for synthesizing 2-(4-methoxyphenoxy)-propionic acid through phase transfer |
| 04/13/2011 | CN102010325A Method for synthesizing p-hydroxyphenylacetic acid |
| 04/13/2011 | CN102010323A Method for synthesizing ibuprofen and analogues thereof |
| 04/13/2011 | CN102010322A Method for preparing dimer acid with light color, low iron and low phosphorus |
| 04/13/2011 | CN102010321A Process for continuously producing isobutyric acid |
| 04/13/2011 | CN102010320A Solvent-free-pot synthesis method for 4-bromobutyl chloride and 5-bromovaleryl chloride |
| 04/13/2011 | CN102010319A Method for reclaiming coarse diacid by using dimer acid filtered argil residue water substitution method |
| 04/13/2011 | CN102010318A Method for producing mixed long carbon chain dibasic acid |
| 04/13/2011 | CN102010317A Method for synthesizing felbinac and derivatives thereof |
| 04/13/2011 | CN102010291A Method for producing formic acid and preparing acetone through hydrothermal reduction of CO2 by isopropanol |
| 04/13/2011 | CN102010283A Method for preparing anion chiral ionic liquid |
| 04/13/2011 | CN102010279A Method for preparing vinylaromatic derivatives |
| 04/13/2011 | CN102008979A Mesoporous molecular sieve loaded metallic copper coordination compound and application thereof in Heck reaction |
| 04/13/2011 | CN101502801B Preparation method of active carbon supported nickel catalyst for synthesizing ethylformic acid |
| 04/13/2011 | CN101189204B Efficient and selective chemical recycling of carbon dioxide to methanol, dimethyl ether and derived products |
| 04/07/2011 | WO2011041151A2 Catalyst, use thereof and process for hydrogenating aryl aldehydes |
| 04/07/2011 | WO2011040766A2 Preparation method of 1,4-disubstituted cyclohexane derivatives |
| 04/07/2011 | WO2011040717A2 Method for preparing intermediate of sitagliptin using chiral oxirane |
| 04/07/2011 | WO2011039331A1 Method for separating salified phenolic compounds |
| 04/07/2011 | US20110082312 Production of compounds comprising cf30 groups |
| 04/07/2011 | US20110082272 Method for purifying fluorinated compound |
| 04/07/2011 | CA2774574A1 Catalyst, use thereof and process for hydrogenating aryl aldehydes |
| 04/06/2011 | EP2305794A1 Expansion of renewable stem cell populations |
| 04/06/2011 | EP2305630A2 Process for recovering valued compounds from a stream derived from purification of methyl methacrylate |
| 04/06/2011 | EP2303825A1 Chemical transformation of lignocellulosic biomass into fuels and chemicals |
| 04/06/2011 | EP2303808A2 Production of vinyl propionate from renewable materials, vinyl propionate obtained, and uses thereof |
| 04/06/2011 | EP2303453A2 Catalyst for gas-phase contact oxidation of hydrocarbon, preparation method thereof and gas-phase oxidation method of hydrocarbon using the same |
| 04/06/2011 | EP2303447A2 Methanol carbonylation system having absorber with multiple solvent options |
| 04/06/2011 | EP1879844B1 Production of sodium diformate |
| 04/06/2011 | CN102001938A Process and production system for synthesizing dimethyl oxalate or diethyl oxalate and coproducing oxalic acid |
| 04/06/2011 | CN102001935A Refining method of benzoic acid |
| 04/06/2011 | CN102001934A Method for preparing 7-hydroxydehydroabietic acid |
| 04/06/2011 | CN102001933A Method for synthesizing naproxen |
| 04/06/2011 | CN102001932A Method for preparing levulinic acid through solid acid and high-temperature liquid water catalyzed hydrolysis |
| 04/06/2011 | CN102001931A Method for preparing adipate |
| 04/06/2011 | CN102001930A Method for purifying chloroacetic acid by catalytic hydrogenolysis in chloroacetic acid production and application thereof |
| 04/06/2011 | CN102001929A Method for co-producing formic acid and acetic acid |
| 04/06/2011 | CN102001928A Method for efficiently separating product formic acid from by-product sodium salt by using sodium formiate method |
| 04/06/2011 | CN102001904A Novel chiral separation method |
| 04/06/2011 | CN102001903A Method for reducing carbon-carbon double bond by hydrazine hydrate through microwave |
| 04/06/2011 | CN101659611B Method for preparing 2, 4, 5-trifluoro-phenylacetic-acid |
| 04/06/2011 | CN101596371B Device for purifying formic acid solution with interval azeotropic distillation and method thereof |
| 04/06/2011 | CN101337878B Method for directly producing adipic acid by cyclohexane catalytic oxidation |
| 04/06/2011 | CN101255105B Method for step reclamation of naphthenic acids and phenols from diesel alkaline residue |
| 04/06/2011 | CN101223125B Method for extracting lactic acid from aqueous suspensions |
| 04/06/2011 | CN101199936B Catalyst for preparing isophthalic acid and m-toluic acid and method thereof |
| 04/06/2011 | CN101130491B Oligomer having fatty acid synthase restraining activity and uses thereof |
| 04/06/2011 | CN101090880B Methods for producing acetic acid |
| 04/06/2011 | CN101085730B Method for purifying malic acid |
| 04/05/2011 | US7919652 Process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone |
| 04/05/2011 | CA2516487C Lubricant compositions containing an overbased amorphous alkaline earth metal salt as a metal protectant |
| 04/05/2011 | CA2508714C Method for the production of benzophenones |
| 03/31/2011 | WO2011037929A2 Pd(ii)-catalyzed hydroxylation of arenes with o2 or air |
| 03/31/2011 | WO2011037542A1 Oxidation reactions using carbon dioxide |
| 03/31/2011 | WO2011015645A3 Process for preparing a hydroxyacid or hydroxyester |
| 03/31/2011 | WO2011015287A3 Process for the preparation of derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid |
| 03/31/2011 | WO2011000460A3 Device for continuously carrying out chemical reactions at high temperatures |
| 03/31/2011 | WO2010144862A3 Production of adipic acid and derivatives from carbohydrate-containing materials |
| 03/31/2011 | WO2010142616A3 Deprotection of boc-protected compounds |
| 03/31/2011 | WO2010130973A3 Carbonylation process |
| 03/31/2011 | WO2010130972A3 Carbonylation process |
| 03/31/2011 | WO2010130971A3 Carbonylation process |
| 03/31/2011 | WO2010130299A3 Method for producing oxide-based metal-organic framework materials by means of inverse methods |
| 03/31/2011 | US20110077428 Process for the production of acetic acid |
| 03/31/2011 | US20110077424 Process for recovering valued compounds from a stream derived from purification of methyl methacrylate |
| 03/31/2011 | US20110077393 Methods of synthesis and purification by use of a solid support |
| 03/31/2011 | CA2774975A1 Production of fatty acid derivatives |
| 03/30/2011 | EP2300411A2 Method for producing bioresourced propionic acid from glycerol |
| 03/30/2011 | EP2300408A1 Treprostinil monohydrate |
| 03/30/2011 | EP2300060A1 Method for producing water-absorbing polymer particles |
| 03/30/2011 | CN201775978U High-pressure dehydrating tower for continuous production of trimellitic acid |
| 03/30/2011 | CN201775977U Treatment device for reaction tail gas in trimellitic acid production |
| 03/30/2011 | CN101998947A Multifunctional urethane monomer, method of manufacturing the monomer and photo-sensitive resin composition including the monomer |
| 03/30/2011 | CN101993378A Amido-containing ionic liquid used for absorbing acidic gases and preparation method and application thereof |
| 03/30/2011 | CN101993358A A process for producing 4-(4-halo-1-oxybutyl)-alpha,alpha-dimethylbenzene acetic acid or alkyl esters thereof |
| 03/30/2011 | CN101993164A Method for treating and recovering wastewater generated during sharpening polybutylene terephthalate (PBT) brush threads |
| 03/30/2011 | CN101993052A Microreaction system for ammonium salt production and application |
| 03/30/2011 | CN101992093A Preparation method of catalyst for preparing unsaturated aldehyde and unsaturated acid in high selectivity |
| 03/30/2011 | CN101992084A Rhodium heterogeneous catalyst for carbonylation as well as preparation method and application thereof |
| 03/30/2011 | CN101991564A Production process for separating, extracting and purifying bioactive substance calcium nervonate and application thereof to treatment of Alzheimer's disease |
| 03/30/2011 | CN101397241B Ent-abieta diterpenoid largeleaf rabdosia leaf I and J, preparation method and use thereof |
| 03/30/2011 | CN101391232B Pyrazole acetic-acid rhodium complexes catalyst capable of catalyzing carbonylation reaction to preparing acetic acid and acetic anhydride and preparation method and use thereof |
| 03/30/2011 | CN101391231B Imidazole acetic-acid rhodium complexes catalyst capable of catalyzing carbonylation reaction to preparing acetic acid and acetic anhydride and preparation method and use thereof |
| 03/30/2011 | CN101166709B Method for preparing tetracarboxylic acid |
| 03/30/2011 | CN101088981B Aromatic carboxylic acid producing process |
| 03/30/2011 | CN101052611B Optimized liquid-phase oxidation |
| 03/29/2011 | US7915447 Process for producing succinic acid |
| 03/29/2011 | US7915446 Catalyst and process for the production of acetic acid |
| 03/29/2011 | US7915435 Alkyl-capped alkoxylated esters and compositions comprising same |
| 03/29/2011 | US7915418 Intermediates and process for the production of optically active quinolonecarboxylic acid derivatives |
| 03/24/2011 | WO2011035064A2 Triazole catalysts and methods of making and using the same |
| 03/24/2011 | WO2011032658A1 Method for producing a catalyst arrangement for preparing phthalic anhydride |
| 03/24/2011 | WO2010144871A3 Production of glutaric acid and derivatives from carbohydrate-containing materials |