| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 09/16/2010 | US20100234638 Production of formic acid |
| 09/16/2010 | US20100234637 Integrated process to coproduce aromatic hydrocarbons and ethylene and propylene |
| 09/16/2010 | US20100234628 Process for the Preparation of Iridium Acetate |
| 09/16/2010 | US20100234589 Oxidation of Hydrocarbons |
| 09/16/2010 | US20100234550 High shear oxidation of wax |
| 09/16/2010 | DE102010000459A1 Verfahren zum Herstellen von Carbonsäure A method for producing of carboxylic acid |
| 09/16/2010 | CA2792849A1 Production of formic acid |
| 09/15/2010 | EP2228361A1 Process for manufacturing high purity methacrylic acid |
| 09/15/2010 | CN1960960B Method for producing high-purity terephthalic acid |
| 09/15/2010 | CN1911896B Process for producing benzopyrone compound |
| 09/15/2010 | CN101835734A Method for preparing optionally substituted p-hydroxymandelic compounds and derivatives thereof |
| 09/15/2010 | CN101835733A Process and apparatus for oxidizing organic compounds |
| 09/15/2010 | CN101831140A Nucleating agent for preparing polylactic acid and application thereof |
| 09/15/2010 | CN101830930A Mesoporous material functionalized by chrial binaphthyl diphenyl phosphate and preparation and application thereof |
| 09/15/2010 | CN101830795A Preparation method of chrysanthemic acid with high optical purity |
| 09/15/2010 | CN101830794A Submicron cobaltous oxalate rod-shaped powder and preparation method thereof |
| 09/15/2010 | CN101830793A Method for preparing hydroxyl-substituted phenylacetic acid compound |
| 09/15/2010 | CN101830749A Method for preparing compound fertilizer by using waste produced in process of preparing oxalate by using potato starchy residues |
| 09/15/2010 | CN101830470A Method for high-value utilizing ash and slag substances by organic carboxylic acid conversion and separation method |
| 09/15/2010 | CN101829591A Method for regenerating a catalyst for the production of a methacrylic acid and process for preparing the methacrylic acid |
| 09/15/2010 | CN101829589A Catalyst for producing methacrylic acid and method for preparation thereof |
| 09/15/2010 | CN101255108B Method for preparing aliphatic acyl chloride without solvent |
| 09/15/2010 | CN101250101B Method for separating and purifying nonane diacid |
| 09/14/2010 | US7795470 Method for the heterogeneously catalyzed partial direct oxidation of n-propane to acrylic acid |
| 09/14/2010 | US7795469 Ammooxidating in a multi-stage reaction system using both separation of the oxidation product from one or more intermediate effluent streams, as well as feeding additional oxygen to reaction zones subsequent to the first reaction zone;larger cumulative product yields; acrylic acid; acrylonitrile |
| 09/10/2010 | WO2010101120A1 Apparatus for producing aromatic hydrocarbons or ketone compounds, apparatus for producing levulinic acid, apparatus for separating levulinic acid, and apparatus for producing hydrocarbons from levulinic acid |
| 09/10/2010 | WO2010072723A3 Catalyst and method for producing maleic anhydride |
| 09/09/2010 | US20100228053 Method for extracting methacrylic acid |
| 09/09/2010 | US20100228051 Process for the Production of Acetic Acid |
| 09/09/2010 | US20100228050 Process for the Production of Acetic Acid |
| 09/09/2010 | US20100228048 Process for preparing substituted aromatic carboxylic acids |
| 09/09/2010 | US20100228047 Oxidation of Hydrocarbons |
| 09/09/2010 | US20100227927 Salts of tramadol and naproxen and their crystal forms in the treatment of pain |
| 09/08/2010 | CN1914144B Method for producing (meth)acrylic acid |
| 09/08/2010 | CN1802209B Catalyst composition and process for the selective oxidation of ethane and/or ethylene to acetic acid |
| 09/08/2010 | CN101827807A Method for producing mechanically activated amorphous and amorphocrystalline compounds of gluconic acid calcium salt |
| 09/08/2010 | CN101825868A Energy-saving operation method for optimizing crude terephthalic acid hydrofining process of industrial device |
| 09/08/2010 | CN101824023A Method for purifying sodium hydroxyethoxy acetate and p-dioxanone (PDO) monomers |
| 09/08/2010 | CN101823957A Method for synthesizing 2-carboxyl anthraquinone by using dichromic acid to oxidize 2-ethyl anthraquinone |
| 09/08/2010 | CN101823956A Diisopropylamine fenofibrate, preparation method of same, medicinal composition and use of same |
| 09/08/2010 | CN101823955A Method for extracting ferulic acid from maize peels |
| 09/08/2010 | CN101823954A Method for preparing disodium stannous citrate |
| 09/08/2010 | CN101823953A Method for separating lactic acid from fermentation liquor by flocculation and carrying out flocculate comprehensive utilization |
| 09/08/2010 | CN101823952A Method for preparing 2,4,5-trifluorophenylacetic acid |
| 09/08/2010 | CN101823951A Process for the preparation of 2-ethyl-4,6-dimethylphenyl acetic acid |
| 09/08/2010 | CN101823950A Process and equipment for producing sodium oxalate by utilizing synthesized tail gas continuous dehydrogenation |
| 09/08/2010 | CN101823949A Method for preparing oxalic acid by potato starch residue |
| 09/08/2010 | CN101823948A Method for co-producing methyl chloride with chloroactic acid |
| 09/08/2010 | CN101823947A Synthetic method of chloroacetic anhydride |
| 09/08/2010 | CN101343221B Method for fine purification of 10-hydroxyl radical n-decanoic acid with macroporous resin |
| 09/08/2010 | CN101337939B Alkaline ionic liquid, method for preparing same and applications |
| 09/08/2010 | CN101336131B Process for heterogeneously catalysed gas phase partial oxidation of at least one organic starting compound |
| 09/08/2010 | CN101003478B Method for purifying and producing acrylic acid |
| 09/07/2010 | US7790922 solvent extraction steps for purifying acetic acid containing terpene and terpenoid impurities; allows reuse of solution used for wood acetylation |
| 09/07/2010 | US7790920 carbonylating methanol to form reaction mixture comprising catalyst, catalyst stabilizer, acetic acid, methanol, methyl iodide, methyl acetate, water, and carbon monoxide, distilling in column; eliminates use of flash tank |
| 09/07/2010 | US7790919 reacting methanol and carbon monoxide in presence of carbonylation catalyst containing rhodium, stabilizer, methyl iodide, water and methyl acetate to produce acetic acid stream containing hydrocarbon impurity, flashing, separating by distillation, condensing, extracting, recycling |
| 09/07/2010 | US7790651 Porous silica and metal oxide composite-based catalysts for conversion of fatty acids and oils to biodiesel |
| 09/02/2010 | WO2010098220A1 Process for producing difluoromethylcarbonyl compound |
| 09/02/2010 | WO2010097681A1 A polybenzimidazole based membrane for deacidification |
| 09/02/2010 | US20100222609 Oxidation of Hydrocarbons |
| 09/02/2010 | US20100221948 Labelling assembly |
| 09/02/2010 | CA2735411A1 A polybenzimidazole based membrane for deacidification |
| 09/01/2010 | EP2223908A1 Two stage oxidation process for the production of aromatic dicarboxylic acids |
| 09/01/2010 | EP2222627A1 Method for preparing optionally substituted p-hydroxymandelic compounds and derivatives thereof |
| 09/01/2010 | EP1986985B1 Intermediates and process for the preparation of aromatic derivatives of 1-adamantane |
| 09/01/2010 | EP1710227B1 Method for producing acrylic acid |
| 09/01/2010 | CN201567298U Production system for synthesizing oxalic ester and co-producing oxalic acid |
| 09/01/2010 | CN201567297U Anhydrous oxalate production device |
| 09/01/2010 | CN1823030B Carbonylation process using metal-tridentate ligand catalysts |
| 09/01/2010 | CN101821225A Process for producing aromatic carboxylic acid |
| 09/01/2010 | CN101817765A Preparation method of ibuprofen arginine salt |
| 09/01/2010 | CN101817744A Oxidizing and crystallizing method of paraxylene |
| 09/01/2010 | CN101817743A Production process for extracting, separating and purifying shikimic acid from cedar needles |
| 09/01/2010 | CN101817740A Emulsion for extracting citric acid from fermentation liquor and using method thereof |
| 09/01/2010 | CN101817739A Synthesis method of alpha-methacryloylchloride |
| 09/01/2010 | CN101817738A Method for extracting DHA from cells of algae and fungi by breaking cell walls |
| 09/01/2010 | CN101817737A Recovery method of acetic acid |
| 09/01/2010 | CN101816952A Compound phase transfer catalysis system for synthesizing phenylacetic acid cobalt by using benzyl chloride carbonylation |
| 09/01/2010 | CN101816935A Carbon-carried palladium catalyst and preparation method thereof |
| 09/01/2010 | CN101347727B Process for preparing Pd/carbon catalyst |
| 09/01/2010 | CN101302151B Preparation of isopimaric acid |
| 08/31/2010 | US7786323 Method for collecting (meth)acrolein or (meth)acrylic acid and collecting device for the same |
| 08/26/2010 | WO2010096512A1 Polymerization inhibitor composition and method of inhibiting polymerization of distillable monomers |
| 08/26/2010 | WO2010095669A1 Method for producing oxygen-containing compound |
| 08/26/2010 | WO2010095604A1 Alicyclic tetracarboxylic acid manufacturing method |
| 08/26/2010 | WO2010094630A1 Reactive extraction of free organic acids from ammonium salts thereof |
| 08/26/2010 | WO2010094554A1 Method for producing a free acid from the salt thereof |
| 08/26/2010 | WO2010007327A3 Manufacture of maleic anhydride from renewable materials, maleic anhydride obtained and uses thereof |
| 08/26/2010 | US20100217039 System and method for gas reaction |
| 08/26/2010 | US20100217038 Process for converting levulinic acid into pentanoic acid |
| 08/26/2010 | DE102009009580A1 Verfahren zur Herstellung freier Säuren aus ihren Salzen Process for the preparation of free acids from their salts |
| 08/26/2010 | CA2752950A1 Method for producing a free acid from the salt thereof |
| 08/25/2010 | EP2221292A1 Processes for production of fluorine-containing compounds |
| 08/25/2010 | EP2220021A1 Terephthalic acid composition and process for the production thereof |
| 08/25/2010 | EP1957063B1 Process for preparing conjugated linoleic acid and derivatives thereof from ricinoleic acid |
| 08/25/2010 | CN201560170U Device for preparing ferrous lactate |
| 08/25/2010 | CN201558570U Fixed bed type adipic acid refiner |
| 08/25/2010 | CN201558557U Adipic acid vacuum concentration device |
| 08/25/2010 | CN101815580A Method for making inorganic oxide supported catalysts |
| 08/25/2010 | CN101812499A Method for producing saponin and organic acid by using turmeric |