Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
01/2008
01/23/2008CN100363463C Multiple riser reactor with centralized catalyst return
01/23/2008CN100363327C Production of pivalic acid
01/23/2008CN100363326C Process for preparing alpha-linolenic acid with purity more than 80%
01/23/2008CN100363325C Process for preparing alpha-calcium linolenate
01/23/2008CN100363324C Process for preparing alpha-zinc linolenate
01/23/2008CN100363323C Hydrogenation of benzene polycarboxylic acids or derivatives thereof
01/23/2008CN100363322C Process for production of hydroxybenzoic acids
01/23/2008CN100363321C Rectification method in acetic acid synthesis process by low-pressure methanol carbonylation
01/22/2008US7321062 Process for the preparation of (per) fluorinated mono-functional carbonyl compounds
01/22/2008US7321060 Method for production of acrylic acid
01/22/2008US7321058 Method for producing acrolein and/or acrylic acid
01/22/2008US7321044 Synthesis of oxygen-substituted benzocycloheptenes as valuable intermediate products for the production of tissue-selective estrogens
01/22/2008CA2420999C 2-substituted heterocyclic compounds and their use in treating multidrug resistance
01/22/2008CA2320099C Process for producing anionic clays using magnesium acetate
01/22/2008CA2199669C Halogenation catalyst
01/17/2008WO2008007497A1 Aqueous solutions of organic acid chromium(iii) salts and process for preparation thereof
01/17/2008WO2008007002A2 Membrane catalyst for synthesizing acrylic acid from glycerol
01/17/2008WO2008006394A1 Process for the preparation of optically active (4e)-5- halo-2-alkylpent-4-enoic acids and their ester derivatives
01/17/2008WO2007103025A8 Method and apparatus for drying carboxylic acid
01/17/2008WO2007082087A3 Simultaneous recovery and continuous extraction of substantially pure carboxylic acids and ammonium salts from acid hydrolysis reaction mixtures
01/17/2008US20080015373 Adding excess alcohol (methanol) to black liquor soap then mixing the resulting product with a strong acid (sulfuric acid); free fatty and resin acids react with the alcohol with the aid of the acid catalyst to yield the desired ester products
01/17/2008US20080015258 Dissolving moprolol and tartaric acid in a 2:1 molar ratio in ethanol, precipitating and filtering; gels ointments, eyedrops; glaucoma; improved tolerability over hydrochloride salt
01/17/2008US20080015253 Peroxisome Proliferator Activated Receptors modulators; ethyl (R,S)-2-(4-trifluoromethylphenyl)oxypent-4-enoate; dyslipidemia, atherosclerosis and diabetes
01/17/2008US20080014307 calcium fortify beverages such as fruit juices, or foods; has an X-ray powder diffraction pattern comprising peaks at 2-theta (2 theta ) values of about 8.236, about 16.02, about 17.97, about 19.75, about 21.42, about 25.74, and about 28.65; dissolved in a beverage; dispersed in a food
01/17/2008US20080014304 Amorphous Water-Soluble Calcium Citrate Salts and Method of Making and Using Same
01/17/2008US20080014127 Pilot test method for multitubular reactor
01/16/2008EP1878922A2 Method for transferring easily-polymerizable substance
01/16/2008EP1877358A1 Method for producing tetracarboxylic acids
01/16/2008EP1322585B1 Method for producing a multi metal oxide catalyst, method for producing unsaturated aldehydes and/or carboxylic acids and band calcination device
01/16/2008CN201006863Y Vertical type bubbling oxidation reaction device for synthesizing naphthalic acid
01/16/2008CN101107213A Hydrogenation control process
01/16/2008CN101107212A Method of producing unsaturated fatty acid
01/16/2008CN101107070A Method for preparing acrylic acid involving a partial oxidation of propane into propylene
01/16/2008CN101104861A Method for preparing S-ibuprofen and S-ibuprofen ester by biological catalysis
01/16/2008CN101104583A Technique for preparing diacerein by two-step oxidation process
01/16/2008CN100361952C Method for preparing methyl formate from formate recovered from epoxy soybean oil waste water
01/16/2008CN100361951C Extraction process for removal of impurities from an aqueous mixture
01/16/2008CN100361746C Thiazole sulfonate co-catalytic oxo-synthesis homogeneous rhodium catalyst and use thereof
01/15/2008US7319179 Using mixed oxide catalyst
01/15/2008US7319173 Process for preparing fluorohalogenethers
01/15/2008US7319169 Feeding the (meth)acrylic acid-containing gas mixture into a quenching tower and condensing it so as to recover (meth)acrylic acid as an aqueous solution, passing uncondensed part to to an absorption column, desorption, separation
01/15/2008US7319168 Process for producing aliphatic carboxylic acid
01/15/2008US7319167 Preventing polymerization throughout purification system and in collected product; adding inhibitor to both condensate and reflux liquid
01/15/2008US7319166 Method of purifying a raw melt of at least one monomer by crystallization
01/15/2008US7319161 Reacting butadiene and maleic acid; hydrogenation; plasticizing plastics
01/15/2008CA2375799C Vanadium/phosphorus mixed oxide catalyst precursor
01/15/2008CA2220700C Method for manufacture of products containing disalts of formic acid
01/10/2008US20080009652 Process of Making Butyric Acid
01/10/2008US20080009650 Process to Produce an Enrichment Feed
01/10/2008US20080009649 Reacting aldehyde with amide, carbon monoxide and hydrogen in amidocarbonylation reaction to give N-acyl amino acid in presence of cobalt carbonyl catalyst, precipitating Co(N-acyl-amino acid)2 by feeding oxygen into mixture, separating Co(N-acyl-amino acid)2, hydrolyzing residue to obtain amino acid
01/10/2008US20080009045 Propagating thraustochytrium and generating preferential polyunsaturated fatty acid for use as anti-inflammatory and/or blood cholesterol lowering agent
01/09/2008EP1874720A1 Method for producing acrylic acid from glycerol
01/09/2008EP1874464A2 Catalyst-coated support, method for producing the same, reactor comprising the same and use thereof
01/09/2008EP1599438B1 Preparation of substituted phthalic anhydride, especially 4-chlorophtalic anhydride
01/09/2008EP1519783B1 Catalytic oxidation reactor with enhanced heat exchanging system
01/09/2008EP1487773B1 Method for the measurement of the pressure in a gas phase from rectification and/or absorption columns comprising (meth)acrylic acid the esters and/or nitriles thereof
01/09/2008CN101100429A Process for producing carbonyl or hydroxy compound
01/09/2008CN101100422A Process for the preparation of (2R)-2-propyloctanoic acid
01/09/2008CN100360580C Process for the solid phase synthesis of aldehyde, ketone, oxime, amine, hydroxamic acid and alpha, beta-unsaturated carboxylic acid and aldehyde compounds
01/09/2008CN100360493C Selective preparation process of acetic acid and catalyts therefor
01/09/2008CN100360492C Process for preparing acetic acid
01/09/2008CN100360479C Process for the catalytic oxidation of hydrocarbons
01/09/2008CN100360230C Novel heteropolyacid catalyst and method for producing the same
01/08/2008US7316804 Flow reactors for chemical conversions with heterogeneous catalysts
01/08/2008CA2279510C Production of terephthalic acid
01/03/2008WO2008001985A1 Method of preparing dialkylcarbonates
01/03/2008WO2008001391A2 Site-specific inhibitors of histone methyltransferase [hmtase] and process of preparation thereof
01/03/2008WO2007118841A3 Organometallic aluminum fumarate backbone material
01/03/2008WO2007054768A3 Method of phenylacetic acid production
01/03/2008US20080004468 oxidizing propylene, then acrolein by recycling gases that had not reacted by means of partial oxidation of propane, in parallel at end of acrylic acid recovery step, then returning to reactor a gas rich in both propane and propylene having been subjected to second passage in acrylic acid recovery column
01/03/2008US20080004458 Transesterification catalyst mixing system
01/03/2008US20080004457 Process for producing a polymer membrane, and polymer membrane
01/03/2008US20080004251 Novel Pharmaceutical Compositions Comprising Agonists of the Thyroid Receptor
01/03/2008US20080004173 Consisting of mixed oxide comprising molybdenum, bismuth and iron, for preparing unsaturated aldehyde and/or unsaturated carboxylic acid by catalytically oxidizing propylene, isobutylene and tert-butanol with molecular oxygen; heat treatment
01/02/2008EP1873141A1 Calcium bis[2s)-3-[3-(2s)-3-(4-chloro-2-cyanophenoxy)-2- fluoropropoxy¨phenyl]-2-isopropoxypropionate] and intermediate thereof
01/02/2008EP1871731A1 Efficient and selective conversion of carbon dioxide to methanol, dimethyl ether and derived products
01/02/2008EP1871522A1 Process for preparing improved catalysts for selective oxidation of propane into acrylic acid
01/02/2008CN101098754A Method for manufacturing palladium-containing catalyst
01/02/2008CN101098737A Method for producing phthalic anhydride that conforms to specifications
01/02/2008CN101096013A Process for regenerating catalyst for preparing unsaturated aldehyde and/or unsaturated carboxylic acid and process for preparing unsaturated aldehyde and/or unsaturated carboxylic acid
01/02/2008CN100358610C Method for recovering useful ingredient from methane end gas containing iodine
01/01/2008US7314954 System and method for recovering PTA mother liquid and purifying and regenerating of catalyst
12/2007
12/27/2007WO2007148353A1 Recovery of aromatic dicarboxylic acids from waste polyester resin
12/27/2007WO2007147733A1 Catalyst system and method for producing carboxylic acids and/or carboxylic acid anhydrides
12/27/2007WO2007125542A3 A process for preparation of adapalene
12/27/2007WO2007103039A8 Versatile oxidation byproduct purge process
12/27/2007WO2007084556A3 Process of making mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins
12/27/2007WO2007014207A3 Catalyst for methacrolein oxidation and method for making and using same
12/27/2007US20070299282 Method for the Production of Phthalic Dichloride
12/27/2007US20070299280 Hydrocarboxylation process
12/27/2007US20070299277 Fluidizable carbon catalysts
12/27/2007US20070299272 Process for separating saturated and unsaturated fatty acids
12/27/2007US20070299271 Fatty acid separation from vegetable oils by urea complexation, with separates saturated from unsaturated fatty acids; use in making improved cold flow biodiesel
12/27/2007US20070299150 Method for recycling pet bottle
12/27/2007US20070299134 Concentrated and odorless omega 3 fatty acids
12/27/2007US20070298960 Process For The Removal Of Corrosion Metals From Carbonylation Catalyst Solutions
12/26/2007EP1870394A1 Method for producing organic compound and method for decomposing compound having dicarboxyimide skeleton
12/26/2007EP1870393A1 Apparatus and method for recovering acetic acid and catalyst in process for preparation of 2,6-Naphthalenedicarboxylic acid
12/26/2007EP1870392A1 Process for production of 2,3,4-trifluoro-5-(iodo or bromo)benzoic acid
12/26/2007EP1868980A2 New method for the preparation of 6-(3-(1-adamantyl)-4-methoxphenyl)-2-naphthoic acid