| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 06/02/2009 | US7541490 Method for production of acrylic acid and apparatus for production of acrylic acid |
| 06/02/2009 | US7541489 Method of making halophthalic acids and halophthalic anhydrides |
| 06/02/2009 | US7541480 purification of unsaturated polyfatty acid to stabilize and prevent reaction and oxidation; use as health dietetics |
| 06/02/2009 | US7540889 Production of a refinery feedstock from soaps produced during a chemical pulping process |
| 06/02/2009 | US7540884 Method for performing the purifying separation of crystals out their suspension in a mother liquor |
| 06/02/2009 | CA2435590C Process for preparing high-purity diisobutene |
| 05/28/2009 | WO2009045016A3 Method for separating and refining high purity 2,6-naphthalene dicarboxylic acid using crystallization |
| 05/28/2009 | WO2009027250A3 Distillation of ionic liquids |
| 05/28/2009 | US20090137843 Method for producing organic acid |
| 05/28/2009 | US20090137824 Metallocene-based phosphorus chiral phosphines |
| 05/28/2009 | DE102007057210A1 Mischsalze von Diorganylphosphinsäuren und Carbonsäuren Mixed salts of diorganylphosphinic acids and carboxylic acids |
| 05/27/2009 | EP2062482A2 Food additive containing zinc for people and animals |
| 05/27/2009 | EP2061744A1 Process for recovering terephthalic acid |
| 05/27/2009 | EP2061742A2 Acrylic acid based on renewable raw materials, water-absorbing polymer structures, and method for the production thereof by means of dehydration |
| 05/27/2009 | EP2061596A1 Catalysts from vpo precursors having a defined particle size distribution, production and use thereof |
| 05/27/2009 | EP1567471B1 Method for the rectifying separation of liquids containing (meth)acrylic monomers in a rectification column |
| 05/27/2009 | EP1521633A4 Method for preparing a catalyst for partial oxidation of acrolein |
| 05/27/2009 | CN201244374Y Device for reducing blanking temperature and improving operation environment |
| 05/27/2009 | CN101443304A Use of, and method using a catalyst containing titanium dioxide, particularly for the production of phthalic anhydride |
| 05/27/2009 | CN101443303A Reclamation of aromatic dicarboxylic acid from waste polyester resin in existence of polyamide |
| 05/27/2009 | CN101443100A Mixing apparatus |
| 05/27/2009 | CN101440032A Gemfibrozil polycrystalline type and preparation thereof |
| 05/27/2009 | CN101440031A Method for preparing high-purity calcium lactate from oyster shell |
| 05/27/2009 | CN101440012A Method for purifying alpha-oxo-carboxyl acid |
| 05/27/2009 | CN101439849A Comprehensive utilization process for waste aluminum etching solution |
| 05/27/2009 | CN101439256A Film method for recycling CO in high-pressure exhaust from production of acetic acid by carbonylation |
| 05/27/2009 | CN100491322C Method for synthesizing tetrapion by hydrogen peroxide solution method |
| 05/27/2009 | CN100491321C Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 05/27/2009 | CN100491320C Method for producing potassium citrate through continuous condensing crystallizing, and apparatus for realizing the method |
| 05/27/2009 | CN100491302C Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with enhanced heat control system |
| 05/27/2009 | CN100490973C Catalyst for selectively oxidizing methyl acrylic aldehyde to synthesize methyl propenoic acid and its use |
| 05/26/2009 | US7538247 Catalytic dehydration and amidation of alpha or beta hydroxycarboxylic acids; efficient, simple, mild reaction conditions; water tolerance |
| 05/26/2009 | US7538245 Process for the manufacture of an enantiopure compound |
| 05/26/2009 | US7538237 gas-in-liquid emulsion in a reactor to continuously process relatively large quantities of materials; hydrogen peroxide synthesis by reacting a solution of DI H2O with oxygen and hydrogen gases; p-xylene oxidation by reacting p-xylene in water with oxygen |
| 05/26/2009 | US7538236 Ozonolysis of vegetable oil (canola) followed by hydrogenation to produce nonanol, hexanol, propanol, and/or 1,3-propanediol; producing a polyol from a renewable feedstock |
| 05/26/2009 | US7537201 Thermal separating process |
| 05/26/2009 | CA2436668C Novel succinate salt of o-desmethyl-venlafaxine |
| 05/26/2009 | CA2339495C Phospholipids with unsaturated alkyl and acyl chains |
| 05/26/2009 | CA2290011C Process for the production of acetic acid |
| 05/22/2009 | WO2009064515A1 Terephthalic acid composition and process for the production thereof |
| 05/22/2009 | WO2009063176A1 Process for the production of alcohol from a carbonaceous feedstock |
| 05/22/2009 | WO2009063174A1 An improved process for the production of alcohol from a carbonaceous feedstock |
| 05/22/2009 | WO2009063173A1 An improved process for the production of alcohol from a carbonaceous feedstock |
| 05/22/2009 | CA2705723A1 Process for the production of alcohol from a carbonaceous feedstock |
| 05/22/2009 | CA2705720A1 An improved process for the production of alcohol from a carbonaceous feedstock |
| 05/22/2009 | CA2705425A1 Terephthalic acid composition and process for the production thereof |
| 05/21/2009 | US20090131715 Processes for preparing organic compounds having improved color characteristics |
| 05/21/2009 | US20090131714 Synthesis of betulonic and betulinic aldehydes |
| 05/21/2009 | US20090131713 Process for the Preparation of Adapalene and Related Compounds |
| 05/21/2009 | US20090131712 converting 1-methoxy-4-(1-propenyl) benzene into an ozonide of 1-methoxy-4-(1-propenyl) benzene, and then subsequently oxidizing the ozonide with an alkaline hydrogen peroxide solution to thereby form a reaction mixture comprising 4-methoxybenzoic acid |
| 05/21/2009 | US20090131707 Chemical process for the preparation of intermediates to obtain n-formyl hydroxylamine compounds |
| 05/21/2009 | US20090131702 In particular, butyrates and formates of divalent metals, as well as their carboxylate-aminoate or carboxylate-methioninate hydroxy analog derivatives of divalent metals; use as trace metal supplements in animal feed; increasing bioavailability of metals, therefore reducing their emission to environment |
| 05/21/2009 | US20090131630 Process For the Preparation of a Dicarboxylic Acid |
| 05/20/2009 | EP2060556A1 Method for manufacturing 4-methoxybenzoic acid from vegetable anethol and its application in cosmetic or dermatological products and foodstuffs |
| 05/20/2009 | EP2060555A1 Process for the production of alcohol from a carbonaceous feedstock |
| 05/20/2009 | EP2060553A1 Process for the conversion of hydrocarbons into alcohol |
| 05/20/2009 | EP1979304B1 Process for the production of acetic acid |
| 05/20/2009 | EP1470098B1 Process control in production of acetic acid via use of heavy phase density measurement |
| 05/20/2009 | CN201241050Y Calcium lactate three-effective reversed flow vaporizing device |
| 05/20/2009 | CN201241049Y Reaction device for converting yttrium chloride into yttrium oxalate |
| 05/20/2009 | CN101437785A Method for producing 4-oxoquinoline compound |
| 05/20/2009 | CN101437782A Method for producing unsaturated aldehyde and unsaturated carboxylic acid |
| 05/20/2009 | CN101437610A Process for the production of aromatic carboxylic acids in water |
| 05/20/2009 | CN101434970A Double decomposition precipitation transformation production method of potassium citrate |
| 05/20/2009 | CN101434536A Method for preparing phthalandione by selective oxidation |
| 05/20/2009 | CN101434535A Preparation of natural ferulaic acid |
| 05/20/2009 | CN101434534A Preparation of salvianic acid A sodium pure product |
| 05/20/2009 | CN101434533A Novel preparation of sofalcone |
| 05/20/2009 | CN101434532A Method for preparing high-purity calcium gluconate from oyster shell |
| 05/20/2009 | CN101434531A Method for producing potassium diformate by reaction of aminic acid and mixed base |
| 05/20/2009 | CN100488937C Production method of ferrous oxalate special for ferrous lithium phosphate |
| 05/20/2009 | CN100488936C Method for preparing terephthalic acid |
| 05/19/2009 | US7534913 Crystalline form of nateglinide |
| 05/19/2009 | US7534912 catalytic oxidation of 2,4,5-trimethylbenzaldehyde; corrosion resistance; continuous, batch processing |
| 05/19/2009 | US7534908 Method for the production of optically active 3-alkylcarboxylic acids and the intermediate products thereof |
| 05/19/2009 | US7534339 Shell and tube with measuring means; depressurization; swing prevention; for production of (meth)acrolein and (meth)acrylic acid |
| 05/19/2009 | CA2387268C Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives |
| 05/14/2009 | WO2009061999A1 Fluoroolefin monomers and copolymers thereof |
| 05/14/2009 | WO2009060704A1 Process for producing methacrolein and/or methacrylic acid |
| 05/14/2009 | WO2009032427A3 Method of inhibiting polymerization and fouling in acrylic acid and acrylate processes |
| 05/14/2009 | US20090124829 Terephthalic Acid Composition and Process for the Production Thereof |
| 05/14/2009 | US20090124827 epoxidizing with hydrogen peroxide and oxidizing with nitric acid or nitrogen oxide; gas chromatography; for anticrease finishing of textiles |
| 05/14/2009 | US20090124774 Fluoroolefin monomers and copolymers thereof |
| 05/14/2009 | US20090124710 Process for the Conversion of Synthesis Gas to Oxygenate |
| 05/14/2009 | CA2832997A1 Ozonolysis reactions in liquid co2 and co2-expanded solvents |
| 05/13/2009 | EP2058292A1 Polyfluoroalkanecarboxylic acid (salt) and process for production thereof |
| 05/13/2009 | EP2058291A1 Perfluorocarboxylic acid salt and method for producing the same |
| 05/13/2009 | EP1853548B1 Process for the preparation of benzoic acid derivatives via a new intermediate of synthesis |
| 05/13/2009 | EP1765757B1 Process for the preparation of lactic acid or lactate from a medium comprising magnesium lactate |
| 05/13/2009 | EP1259474B1 Calcium dicarboxylate ethers, methods of making same |
| 05/13/2009 | CN101432257A Process for gas phase oxidation with the use of a moderator layer |
| 05/13/2009 | CN101432254A Integrated process for the production of acetic acid and vinyl acetate |
| 05/13/2009 | CN101429118A Process for producing gallic acid with gall flower extract and one-step method |
| 05/13/2009 | CN101429117A Process for producing 2, 4, 6-trichlorobenzoic acid |
| 05/13/2009 | CN101429116A Process for the preparation of pure acitretin |
| 05/13/2009 | CN101429115A Process for producing trifluoro benzene acetic acid and sitagliptin |
| 05/13/2009 | CN101429114A Chloro-sodium soap/sylvite flotation agent and method for producing the same |
| 05/13/2009 | CN101429112A Method for distillation separation of mixture of nervonic acid and erucic acid from acer truncatum oil |
| 05/13/2009 | CN101429111A Comprehensive processing method and apparatus for mother solution in production of glucurolactone |
| 05/13/2009 | CN101429110A Process for producing copper acetate |