| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 05/28/2008 | CN101186572A Method for separating and purifying salvianolic acid from red sage root liquid extract by one step |
| 05/28/2008 | CN101186571A Method for purifying itaconic acid from itaconic acid fermentation liquor or itaconic acid product mother liquid |
| 05/28/2008 | CN101186570A Method for producing adipic acid and dibasic acid by using nitric acid to oxidizing cyclohexane bionic oxidation mixture |
| 05/28/2008 | CN101186569A Continuous co-production method for high concentration formic acid and high pure sodium hexametaphosphate |
| 05/28/2008 | CN101186568A Process for preparing (meth)acrylic acid |
| 05/28/2008 | CN100390143C Synthesis of oxygen-substituted benzocycloheptenes, used as valuable intermediate products for producing tissue-selective oestrogens |
| 05/28/2008 | CN100390127C Method of recovering polymerization inhibitor and process for producing acrylic acid |
| 05/28/2008 | CN100390125C Process for preparation of liquid metal carboxylate |
| 05/28/2008 | CN100390124C Process for preparing fluorocarboxylic acids |
| 05/28/2008 | CN100390114C Preparation of surfactant containing branched alkyl radical |
| 05/28/2008 | CN100390112C Handling device and producing system of easy-to-polymerize compound |
| 05/28/2008 | CN100389848C Thin-film evaporator and use of the same in refining (meth)acrylic |
| 05/27/2008 | US7378544 Oxidizing an aromatic hydrocarbon ( xylene/m-/, xylene/p-/, dimethylnaphthalene-2,6) with a source of molecular oxygen to form an aromatic carboxylic acid under liquid phase conditions in presence of a catalyst system: heavy metal, source of bromine, a polycyclic aromatic hydrocarbon activator |
| 05/27/2008 | US7378541 Reacting propane or isobutane with ammonia and molecular oxygen to produce (meth)acrylonitrile in the presence of a mixed oxide catalyst of molybdenum, vanadium, antimony and niobium oxides; improved efficiency |
| 05/27/2008 | US7378367 Highly active as to give a higher selectivity of acrylic acid while suppressing the temperature rise; long catalytic lifetime; contains molybdenum, vanadium,tungsten,copper and oxygen |
| 05/22/2008 | WO2008059630A1 Catalyst for decomposition of formic acid, method for decomposition of formic acid, process for production of hydrogen, apparatus for production or decomposition of formic acid, and method for storage or generation of hydrogen |
| 05/22/2008 | WO2008033836A3 Process and intermediates for preparing integrase inhibitors |
| 05/22/2008 | US20080119669 Process for the Recovery of Organic Compounds from Mixtures Containing (Meth)Acrylic Acid by Extraction with a Protic Solvent |
| 05/22/2008 | US20080119668 Method for the Extractive Purification of (Meth) Acrylic Acid by Using a Separating Agent |
| 05/22/2008 | US20080119667 Composite oxide catalyst and method of producing the same |
| 05/22/2008 | US20080119665 Process for the Synthesis of Zirconium Carboxylates |
| 05/22/2008 | US20080119664 Optimized biodiesel reaction kinetics system |
| 05/22/2008 | US20080119663 Process for preparing fatty acid alkyl esters and acrolein from triglycerides |
| 05/22/2008 | US20080119470 8-hydroxy-3H-quinazolin-4-(thi)one derivatives; ability to enter CNS, sequester transition metals Cu, Zn and Fe from various amiloid beta entities, reducing their toxicity; neurodegenerative disorders; Alzheimer's, Parkinson's, Cruetzfeldt-Jacob diseases, amyotrophic lateral sclerosis, cataract |
| 05/21/2008 | EP1923381A1 Hydrogenation process for high-purity naphthalenedicarboxylic acid |
| 05/21/2008 | EP1922299A1 Method for producing organometallic framework materials containing main group metal ions |
| 05/21/2008 | EP1831146B1 Hydroxycarbonylation of aryl and vinyl bromides |
| 05/21/2008 | EP1263698B1 A process for converting cellulosic material into liquid hydrocarbons |
| 05/21/2008 | EP1250307B1 Utilization of an extracting agent as antifoaming agent in the production of anhydrous formic acid |
| 05/21/2008 | CN101184719A An enrichment process using compounds useful in a polyester process |
| 05/21/2008 | CN101184718A Processes for producing aromatic dicarboxylic acids |
| 05/21/2008 | CN101184717A Method for producing glycolic acid |
| 05/21/2008 | CN101182455A Device and technique for producing propanoic acid by coupling of fibrous bed bioreactor with extraction separation |
| 05/21/2008 | CN101182340A Method for producing acetic acid by carbonylation of methanol as well as special catalyst and preparation method thereof |
| 05/21/2008 | CN101182292A Hydrogenation process for high-purity naphthalenedicarboxylic acid |
| 05/21/2008 | CN101182291A Clean synthetic technique for one-step synthesis of fatty acid zinc salt |
| 05/21/2008 | CN101182079A Citric acid mother liquor treatment process |
| 05/21/2008 | CN101181980A Recovering method for refuse in preparation of pentylformic acid by nitrate oxide 2 - octanol |
| 05/21/2008 | CN101181255A Medication new purpose of protocatechualdehyde |
| 05/20/2008 | US7375253 Process for the preparation of (per)fluorinated mono-functional carbonyl compounds |
| 05/20/2008 | US7375240 Preparation process of diglyceride-rich fat or oil |
| 05/20/2008 | US7375052 Prepared by adding a V compound and an Mo compound to an aqueous dispersion of finely ground Te, adding another metal(s) (Nb), evaporating to dryness, and calcining; one-stage oxidation of propane to form acrylic acid; ammoxidation of propane to form acrylonitrile |
| 05/20/2008 | CA2225137C Iridium catalysed carbonylation process for the production of acetic acid |
| 05/15/2008 | WO2008057924A1 Oxidation reaction for producing aromatic carboxylic acids |
| 05/15/2008 | WO2008056431A1 Gold-supporting fine particle having catalytic activity, process for producing the same, and method of oxidation with the same |
| 05/15/2008 | WO2001056933A3 Combined supported liquid membrane/strip dispersion processes and extractants |
| 05/15/2008 | US20080114181 Method for esterification of free fatty acids in triglycerides |
| 05/14/2008 | EP1814923B1 Method for producing water-absorbing polymers |
| 05/14/2008 | EP1658258B1 Method for the production of maleic anhydride |
| 05/14/2008 | EP1583731B1 Method for the rectificative separation of fluids containing (meth)acrylic monomers |
| 05/14/2008 | EP0811075B1 A method for the isolation and purification of lipid cell-wall components |
| 05/14/2008 | CN201058823Y Treatment facility for sewage containing low-concentration perfluorooctanoic acid ammonium |
| 05/14/2008 | CN101180341A Process for making phenylene dioxydiacetic acid and use thereof |
| 05/14/2008 | CN101180256A A process for the dynamic resolution of (substituted) (R) - or (S) -mandelic acid |
| 05/14/2008 | CN101180255A Process to produce an enrichment feed |
| 05/14/2008 | CN101180254A Process to produce a post catalyst removal composition |
| 05/14/2008 | CN101180253A Process to produce an enriched composition |
| 05/14/2008 | CN101180252A A process for continuous carbonylation by supported ionic liquid-phase catalysis |
| 05/14/2008 | CN101177395A Method for preparing 3,3',4,4'-benzophenone tetra carboxylic acid by liquid phase air oxidation process |
| 05/14/2008 | CN101177394A Crude terephthalic acid (CTA) residue recovery and catalyst purification regeneration system and method |
| 05/14/2008 | CN101177393A Process for producing methyl benzoic acid by paraxylene |
| 05/14/2008 | CN101177392A Method for preparing 9,10-dihydroxystearic acid and its methyl by hydrogen dioxide oxidation process |
| 05/14/2008 | CN101177391A Method for drying azelaic acid |
| 05/14/2008 | CN101177390A Method for oxidation synthesis of adipic acid by epoxy cyclohexane |
| 05/14/2008 | CN101177389A Method for separating and reclaiming sorbic acid from waste water of sorbic acid production |
| 05/14/2008 | CN100387568C Thermal rectification method and rectifying column |
| 05/13/2008 | US7371899 reacting carbon monoxide and fluorine gases in liquids; cleaning or etching gases for producing semiconductors |
| 05/13/2008 | US7371898 By continuously supplying carbon monoxide and fluorine into a reaction chamber; useful as cleaning gas or etching gas |
| 05/13/2008 | US7371894 Optimized liquid-phase oxidation |
| 05/13/2008 | US7371893 Passing o-xylene and/or naphthalene and oxygen over vanadium oxide, titanium dioxide and antimony oxide catalyst beds at a temperature of from 300 to 450 degrees C. to produce phthalic anhydride; high yield over longer periods of time |
| 05/13/2008 | US7371890 Functional groups are each independently selected from nitrile group, carboxylic acid group, carboxylic ester group and carboxamide group; the compound that contains the two functional groups is obtained by monoaddition of two terminal olefins and hydrogenation |
| 05/13/2008 | US7371888 α-(Trifluoromethyl-substituted aryloxy, arylamino, arylthio or arylmethyl)-trifluoromethyl-substituted phenylacetic acids and derivatives as antidiabetic agents |
| 05/13/2008 | US7371883 Single-step catalytic vapor phase (amm)oxidation; for conversion of alkanes |
| 05/13/2008 | US7371866 Catalytic ozonolysis using transition metal catalys |
| 05/13/2008 | US7371865 Reacting an organophosphouus compound with metallized alkane; forming atorvastatin, lorastatin, pitavastatin, fluvastatin |
| 05/13/2008 | US7371705 obtained by combining a Group VIII metal or a compound thereof and a bidentate phosphine; carbonylation of ethylenically unsaturated compounds with CO in the presence of a source of hydroxyl groups (water or an alcohol) |
| 05/08/2008 | WO2008053646A1 Acrylic acid production process, acrylic acid production apparatus, and composition for production of acrylic acid |
| 05/08/2008 | WO2008053206A2 Process for preparation of aldonic acids and derivatives thereof |
| 05/08/2008 | WO2008033687A3 Process for producing acrylic acid |
| 05/08/2008 | WO2008033335A3 Process for preparing fluorinated carboxylic acids |
| 05/08/2008 | WO2007122638B1 An improved process for preparation of lamotrigine intermediates |
| 05/08/2008 | US20080108847 Useful in the synthesis of bile acid inhibitor compounds for the treatment of metabolic disorders |
| 05/08/2008 | US20080108813 Process for the preparation of 7-substituted 3-alkyl-3h-isobenzofuran-1-one derivatives |
| 05/08/2008 | US20080107583 Oxides of molybdenum and bismuth; vapor phase catalytic oxidation catalyst for producing acrolein or methacrolein from propylene, isobutene or tertiary butanol |
| 05/08/2008 | DE102006052311A1 Producing alpha-hydroxy acids from their ammonium salts comprises heating the ammonium salt in the presence of a tertiary amine to relases gaseous ammonia and recovering the amine by distillation |
| 05/07/2008 | EP1917229A2 Methods for preparation and use of strong base catalysts |
| 05/07/2008 | EP1917228A1 Mesoporous metal-organic framework |
| 05/07/2008 | EP1509216B1 Active ingredient salts and esters of 1-dimethylamino-3-(3-methoxy-phenyl)-2-methyl-pentan-3-ol and 3-(3-dimethylamino-1-ethyl-1-hydroxy-2-methyl-propyl)-phenol |
| 05/07/2008 | EP1448626B1 Process for the manufacture of polycarboxylic acids using phosphorous containing reducing agents |
| 05/07/2008 | CN201055735Y Maleic anhydride absorption vent gas purifying device with hydraulic cyclone |
| 05/07/2008 | CN101175708A Process for preparing at least one target product by partial oxidation and/or ammoxidation of propylene |
| 05/07/2008 | CN101175569A Method for preparing catalyst for production of methacrylic acid |
| 05/07/2008 | CN101175568A Catalyst for producing methacrylic acid and method for preparation thereof |
| 05/07/2008 | CN101172972A (S)- or (R)-epsilon-(2-alkyloxyethyl)-epsilon-caprolactone, preparation method and application thereof |
| 05/07/2008 | CN101172948A Method for separation and purification of cajanine and pinostrobin from extract of cajanus cajan branches and leaves |
| 05/07/2008 | CN101172947A System and method for recycling mother solution of purify terephthalic acid and catalyst purifying regeneration |
| 05/07/2008 | CN101172946A Gold potassium lemon acid for gold plating and method for producing the same |
| 05/07/2008 | CN101172945A Method for concentration of lactic acid in fermentation liquor |
| 05/07/2008 | CN101172944A Method for producing calcium lactate with egg shell |
| 05/07/2008 | CN101172943A Method for producing boron lithium oxalic acid |