Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
07/2008
07/03/2008WO2008078482A1 Process for producing intermediate of asenapine synthesis
07/03/2008WO2008078350A2 Process for the preparation of fluorophenylacetic acids and derivatives thereof
07/03/2008WO2008077769A1 Process for the safe ozonolysis of organic compounds in flammable solvents
07/03/2008WO2008053206A3 Process for preparation of aldonic acids and derivatives thereof
07/03/2008US20080161602 Molybdenum-vanadium-niobium-tellurium-antimony oxide for the catalytic oxidation of alkanes and alkenes; carboxylation or cyanation of propane or propylene to acrylic acid or acrylonitrile; orthorhombic and pseudo-hexagonal crystal phases
07/03/2008US20080161601 From an aqueous feed stream originating from fermentation of carbohydrates and utilizing an amine solvent extraction; crystallizing the citric acid; recycling the mother liquor; improved efficiency
07/03/2008US20080161599 Optimized Production of Aromatic Dicarboxylic Acids
07/03/2008US20080161598 Optimized Production of Aromatic Dicarboxylic Acids
07/03/2008US20080159929 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
07/03/2008DE112005000879T5 Geträgerte Rutheniumnanoteilchen-Katalysatoren für die cis-Dihydroxylierung und oxidative Spaltung von Alkenen Ruthenium nanoparticles supported catalysts for the cis-dihydroxylation and oxidative cleavage of alkenes
07/02/2008EP1939167A1 Beta-nucleating agent for polyproplyene and process for its preparation
07/02/2008EP1937726A1 Inhibition of polymerisation
07/02/2008EP1937618A2 Catalyst for methacrolein oxidation and method for making and using same
07/02/2008CN101213165A Process for the preparation of iridium acetate
07/02/2008CN101213019A Novel phosphorus addition process for improvement of catalysts suitable for maleic anhydride production
07/02/2008CN101209964A Method for preparing high pure terephthalic acid
07/02/2008CN101209963A Method for preparing calcium gluconate from oyster shell
07/02/2008CN101209962A Method for preparing calcium magnesium gluconate
07/02/2008CN101209960A Method for preparing long chain dibasic acid
07/02/2008CN101209428A Adsorption agent for removing iodide from organic medium and preparation and application
07/02/2008CN100398529C Method for the production of maleic anhydride
07/02/2008CN100398507C DL-amygdalic acid preparing method
07/01/2008US7393985 Supported ruthenium nanoparticle catalyst for cis -dihydroxylation and oxidative cleavage of alkenes
07/01/2008US7393976 Adding at least one aldehyde treating compound to the (meth)acrylic acid stream such that said it reacts with the aldehyde to produce a product having a higher boiling point temperature than (meth)acrylic acid and separating product from (meth)acrylic acid stream by distillation
07/01/2008US7393973 Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion
07/01/2008US7393961 Nonexplosive intermediates for preparation of fluoropolymers; environmentally friendly; including stable, high yield hypofluorite reactive molecules
07/01/2008US7393436 Continuous processing; liquid phase; solid phase circulating heat exchanger
06/2008
06/26/2008WO2008075998A1 Method for producing organic aromatic compounds
06/26/2008WO2008075572A1 Process for production of isophthalic acid
06/26/2008WO2008075108A1 Carbonylation of conjugated dienes
06/26/2008WO2008074677A1 Process for preparing 1- (2-ethyl-butyl) -cyclohexanecarboxylic acid
06/26/2008WO2008074523A1 Improved method for the production of unsaturated carboxylic acid anhydrides
06/26/2008WO2008074497A1 Process for preparing aromatic polycarboxylic acid by liquid phase oxidation
06/26/2008WO2008074494A1 Beta-nucleating agent for polyproplyene and process for its preparation
06/26/2008WO2008011033A3 Synthesis of isotopically labeled alpha-keto acids and esters
06/26/2008US20080155713 Lipid Metabolic and Signalling Pathways in the Epidermis
06/26/2008US20080155705 Method For the Production of Multiple-Unsaturated Fatty Acids in Transgenic Organisms
06/26/2008US20080154064 Method of fluorination
06/26/2008US20080154056 Process for the selective (AMM) oxidation of lower molecular weight alkanes and alkenes
06/26/2008US20080154053 Method of making fatty acid ester derivatives
06/26/2008CA2672505A1 Process for preparing 1-(2-ethyl-butyl)-cyclohexanecarboxylic acid
06/25/2008EP1935868A1 Improved process for the selective (AMM) oxidation of lower molecular weight alkanes and alkanes
06/25/2008EP1935867A1 Process for preparing 1-(2-ethyl-butyl)-cyclohexanecarboxylic acid
06/25/2008EP1934163A1 Process for chemical recycling of post consumption poly(ethylene terephthalate) and equipment for chemical recycling of post consumption poly(ethylene terephthalate)
06/25/2008EP1615870B1 Method for the heterogeneously catalyzed partial direct oxidation of propane and/or isobutane
06/25/2008CN101208784A Beta-diketiminate ligand sources and metal-containing compounds thereof, and systems and methods including same
06/25/2008CN101206955A Branched chain polybasic carboxylic acid ammonium salt mixture as well as preparation method and application thereof
06/25/2008CN101205182A Method for manufacturing high-purity terephthalic acid
06/25/2008CN101205181A Method for extracting and separating sodium ketopropionate from acetonic acid fermentation liquid by double membrane two-step process
06/25/2008CN101205180A Process for preparing ferrous succinate
06/25/2008CN101205179A Method for purifying oxalic acid solution
06/25/2008CN101205178A Improved method for the production of unsaturated carboxylic acid anhydrides
06/25/2008CN101205177A Improved process for the selective (AMM) oxidation of lower molecular weight alkanes and alkanes
06/25/2008CN101204653A Carbon supported noble metal catalyst and preparation method thereof
06/25/2008CN100396658C Clean production method for fenoprofen calcium
06/25/2008CN100396657C Method for oxidising aromatic aldehyde into corresponding carboxylic acid
06/25/2008CN100396377C Method for producing composite oxide catalyst
06/24/2008US7390921 Optimized liquid-phase oxidation
06/24/2008US7390918 Contacting in an oxidation reaction zone a C2 to C4 alkane, such as ethane, a molecular oxygen-containing gas, optionally the corresponding alkene and optionally water, in the presence of a catalyst to produce a stream comprising alkene, carboxylic acid and water; separating, contacting with catalyst
06/24/2008US7390911 Method for producing phthalic anhydride
06/24/2008US7390909 Processes of producing glutamic acid compounds and production intermediates therefore and novel intermediate for the processes
06/19/2008WO2008073096A1 Process for carbonylation of aliphatic alcohols and/or reactive derivatives thereof
06/19/2008WO2008072561A1 Process for production of terephthalic acid
06/19/2008WO2008071696A1 Improved process for preparing substituted carboxylic anhydrides
06/19/2008WO2008071659A1 Aluminium trilactate powder and method for preparation
06/19/2008WO2008071332A1 Method and system for the production of raw terephthalic acid
06/19/2008WO2008048117A3 Synthesis of 5,6-dimethyl-9-oxo-9h-xanthen-4-yl- acetic acid (dmxaa)
06/19/2008WO2007117590A3 System and method for converting biomass to ethanol via syngas
06/19/2008US20080146832 Microporous catalyst and method for hydrogenating aromatic compounds
06/19/2008US20080146668 Method for stimulating weight loss and/or for lowering triglycerides in patients
06/19/2008DE102006060162A1 Verbessertes Verfahren zur Herstellung von ungesättigten Carbonsäureanhybriden An improved process for preparing unsaturated Carbonsäureanhybriden
06/19/2008DE102006058163A1 Verfahren und Anlage zur Herstellung von Roh-Terephthalsäure Process and apparatus for the production of crude terephthalic acid
06/19/2008CA2671361A1 Process for carbonylation of aliphatic alcohols and/or reactive derivatives thereof
06/18/2008EP1932825A1 Aluminum trilactate powder and method for preparation
06/18/2008EP1932824A1 Method for synthesis of keto acid or amino acid by hydration of acethylene compound
06/18/2008EP1932823A1 Process for production of acetic acid
06/18/2008EP1931689A2 Pharmaceutical-grade ferric organic compounds, uses thereof and methods of making same
06/18/2008EP1931617A2 Method of making aromatic dihydroxy diacid dihalides and precipitates resulting therefrom
06/18/2008EP1931616A2 Neutralization method
06/18/2008CN101200556A Method for synthesizing PVC thermal stabilizer dicarboxylic acids rear earth salt and uses thereof
06/18/2008CN101200426A Hydroxyl benzoic anhydride dimer compound, preparation method and uses thereof
06/18/2008CN101200425A Method for synthesizing 4-pentenoic acid
06/18/2008CN101200424A Oxalate monodisperse ultra-fine powder and preparation method thereof
06/18/2008CN101200423A Epoxy ester wastewater recycling treatment method
06/18/2008CN101200422A Method for preparing lithium iron phosphate ferrous oxalate
06/18/2008CN101200421A Method for synthesizing 3-hexenoic acid
06/18/2008CN101199936A Isophthalic acid and m-toluic acid catalyst preparation and method thereof
06/18/2008CN100395225C Method for deprivig sulfur dioxide in solution of citrate
06/18/2008CN100395224C Method for the preparation of lactic acid and calcium sulphate dihydrate
06/17/2008US7388109 propane is initially dehydrogenated under heterogeneous catalysis to give propene, secondary components are removed and the remaining gas mixture, comprising propane and propene, is subjected to the heterogeneously catalyzed partial oxidation to acrolein or acrylic acid
06/17/2008US7388108 free from recesses formed on an inner surface of a reactor body thereof so as to conduct a stable oxidation reaction therein; reaction production gas is prevented from being condensed and polymerized in the sampling tube, thereby ensuring a long-term stable analysis with a high efficiency
06/17/2008US7388107 Process for producing (meth)acrylic acid or (meth)acrolein
06/17/2008US7388098 Dynamic resolution of isomers and resolved isomers
06/17/2008US7387982 Method of producing catalyst for synthesis of unsaturated aldehyde and unsaturated carboxylic acid and catalyst prepared by this method
06/17/2008CA2347882C Production of amides and/or acids from nitriles
06/17/2008CA2175028C Process for the production of acetic acid by carbonylation
06/12/2008WO2008070756A2 Processes for the production of fatty acid alkyl esters
06/12/2008WO2008070365A2 Oxidation reaction for producing aromatic carboxylic acids
06/12/2008WO2008068332A1 Novel mesoporous mixed metal oxide catalyst and method for the preparation thereof
06/12/2008WO2008068041A1 Crystalline potassium salt of lipoxin a4 analogs