Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/2010
11/03/2010EP2244994A2 Method for the production of fatty alcohols
11/03/2010EP2244993A1 Production of ethanol from methanol
11/03/2010EP1848530B1 Method for preparing acrylic acid involving a partial oxidation of propane into propylene
11/03/2010EP1417164B1 Method for producing water-absorbent resins
11/03/2010EP1354866B1 Process for producing alkanedicarboxylic acid
11/03/2010CN101878194A Process for the ammoxidation or oxidation of propane and isobutane
11/03/2010CN101878190A Method of inhibiting polymerization and fouling in acrylic acid and acrylate processes
11/03/2010CN101878189A Method for recovering fluorocarboxylic acids
11/03/2010CN101875730A Rubber-metal bonding enhancer for steel wire radial tyre and preparation method thereof
11/03/2010CN101875606A Synthetic method of 2,6-dihydroxyterephthalic acid
11/03/2010CN101875605A Method for preparing acetylpropionic acid by using wood residues or husks
11/03/2010CN101875604A Method for performing liquid-phase partial oxidation on methane
11/03/2010CN101260035B Technique for producing acrylic acid and ester thereof by biomass lactic acid ester dehydration
11/03/2010CN101235394B Method for separating and extracting fumaric acid
11/03/2010CN101219949B Process for producing abietic acid
11/02/2010US7825277 Process for the ozonolysis of unsaturated compounds
11/02/2010US7825275 such as 1,1,2,3,3-pentafluoro-4-alkoxycarbonyl-1,6-heptadiene; addition polymerization; improved transparency and durable light resistance, and water and oil repellency
11/02/2010US7825061 preparing an oxidation catalyst for producing methacrylic acid in high yield and highly selectively by subjecting methacrolein, isobutylaldehyde or isobutyric acid to gas phase catalytic oxidation
11/02/2010CA2474900C Alkene separation process
10/2010
10/28/2010WO2010122304A1 Methods, processes, and systems for treating and purifying crude terephthalic acid and associated process streams
10/28/2010WO2010102203A3 Method for the preparation of alkyl levulinates
10/28/2010WO2010072721A3 Catalyst molded bodies and method for producing maleic acid anhydride
10/28/2010US20100274038 Method for synthesis of acrolein from glycerol
10/28/2010US20100273970 Process for preparation of high purity methacrylic acid
10/27/2010EP2243549A1 A catalyst system
10/27/2010EP2243548A1 A catalyst system
10/27/2010EP1642881B1 Process for producing 5-iodo-2-methylbenzoic acid
10/27/2010CN1816685B Process for energy recovery in processes for the preparation of aromatic carboxylic acids
10/27/2010CN1602290B Process for the synthesis of chirally pure beta -amino-alcohols
10/27/2010CN101874013A Processes for production of fluorine-containing compounds
10/27/2010CN101870648A Method for recovering benzoic acid from PTA oxidation residue
10/27/2010CN101870647A Novel drimane compound for treating gastroenteritis disease
10/27/2010CN101870646A Method of preparing lead citrate staining solution for electron microscope experiment
10/27/2010CN101870645A Method for synthesizing copper fumarate by using waste printed circuit board etching liquid
10/27/2010CN101870644A Device for removing acetone in carbonyl synthesis process of acetic anhydride
10/27/2010CN101870643A Method for preparing acetic acid from super (near) critical water catalytic oxidizing biomass
10/27/2010CN101550079B A continuance method for preparing succinic acid
10/27/2010CN101347728B Process for preparing Pd/carbon catalyst of high activity
10/27/2010CN101143339B Catalyst system used for synthesizing acetic acid and acetic anhydride and application thereof
10/26/2010US7820860 Method for separating compound-forming chiral systems
10/26/2010US7820856 Process for producing α,β-unsaturated carboxylic acid
10/26/2010US7820855 improved efficiency by way of heating vessel to maintain elevated flash vapor temperature of more than 300F; increased acetic acid yield reduces purification and recycle requirements; rhodium metal catalyst and methyl iodide promoter
10/26/2010US7820854 selective partial oxidation; purity; lower amounts of the saturated propionic acid by-product; Propane to acrylic acid; isobutane to methacrylic acid; mixed metal oxide catalyst; oxidative dehydrogenation catalyst
10/26/2010US7820849 Process for the carbonylation of conjugated dienes using a palladium catalyst system
10/26/2010US7820842 from high glyceride content polyunsaturated oils, including fish oils; saponification of fatty acid with mono or divalent metal hydroxide (potassium, calcium, copper, magnesium); antioxidant stabilizing oil; free flowing; storage stable; nutritional supplement; pet food
10/26/2010US7820841 yields partially hydrogenated oils; margarine, ice cream; platinum-free hydrogenation catalyst is heat treated nickel dispersed in a protective non-gas oil or fat medium; partially hydrogenated sunflower oil; emulsion with water
10/26/2010US7820715 Chemical intermediates; neurodegenerative disorders
10/26/2010CA2440114C Organometallic framework materials and process for preparing them
10/21/2010WO2010121006A1 A process for producing an unsaturated carboxylic acid from an alkane
10/21/2010WO2010119484A1 Method for recovering crystals from a crystallization slurry
10/21/2010WO2010119117A1 Process for the preparation of 2,4,6-octatriene-1-oic acid and 2,4,6-octatriene-1-ol
10/21/2010WO2010118955A1 Chemical recycling of pla by alcoholysis
10/21/2010WO2010118954A1 Chemical recycling of pla by hydrolysis
10/21/2010WO2009095624A3 Method for preparing dicaffeoylquinic acids and use thereof in combating aphids
10/21/2010US20100267985 Carbonylation process for the production of acetic acid and/or methyl acetate
10/21/2010CA2758631A1 Process for the preparation of 2,4,6-octatriene-1-oic acid and 2,4,6-octatriene-1-ol
10/20/2010EP2241549A1 Method for producing acrylic acid
10/20/2010EP2241543A1 Process for the preparation of 2,4,6-octatriene-1-oic acid and 2,4,6-octatriene-1-ol
10/20/2010CN201610417U 氯乙酸生产的氯化反应装置 Chlorinated acid production reaction apparatus
10/20/2010CN1910130B Process for production of a dried carboxylic acid cake suitable for use in polyester production
10/20/2010CN101868552A Methods for the synthesis of fatty diacids by the metathesis of unsaturated diacids obtained by fermentation of natural fatty acids
10/20/2010CN101868550A Method for the synthesis of omega-unsaturated fatty acids
10/20/2010CN101868441A Terephthalic acid composition and process for the production thereof
10/20/2010CN101865596A Production device and preparation process for anhydrous oxalic acid
10/20/2010CN101864088A Preparation method of compound type cobalt stearate adhesion promoter
10/20/2010CN101863759A Method for preparing copper benzoate
10/20/2010CN101863758A Technology for preparing ferulic acid and phytic acid from rice bran
10/20/2010CN101863757A Production process of disodium citrate
10/20/2010CN101863756A Process for producing disodium citrate
10/20/2010CN101863755A Chromium malate complex and preparation method and application thereof
10/20/2010CN101863754A Preparation method of crocetin, gardenia yellow pigment and saffron pigment
10/20/2010CN101863753A Method for preparing palmitoyl chloride
10/20/2010CN101863732A Synthesis method of end-group alkyne
10/20/2010CN101862272A Application of ferulic acid derivative in cosmetics and preparation method thereof
10/20/2010CN101862013A Method for preparing disodium stannous citrate equivalent composition
10/19/2010US7816559 Method of producing unsaturated acid from olefin
10/19/2010US7816556 Polycarboxylic acid production system employing enhanced multistage oxidative digestion
10/19/2010CA2636755C Process for preparing 1,5-diaryl-3-substituted pyrazoles
10/19/2010CA2380168C Process for the recovery of organic acids
10/14/2010WO2010117400A1 Removing hydrocarbon impurities from acetic acid production intermediate
10/14/2010WO2010116990A1 Cage cyclopentane acid dianhydride compound, process for producing same, and polyimide
10/14/2010WO2010115727A1 Method for manufacturing a solution of diacid/diamine salts
10/14/2010US20100261934 Method for Preparing 2,6-Diethyl-4-Methylphenylacetic Acid
10/14/2010US20100261919 Extraction and Winterization of Lipids from Oilseed and Microbial Sources
10/14/2010US20100261789 Butenoic acid derivatives, processes for the preparation thereof, pharmaceutical compositions comprising them, and use for the treatment of dyslipidaemia, atherosclerosis and diabetes
10/14/2010CA2756856A1 Method for manufacturing a solution of diacid/diamine salts
10/14/2010CA2756813A1 Removing hydrocarbon impurities from acetic acid production intermediate
10/13/2010EP2239028A1 Extraction and Winterization of Lipids From Oilseed and Microbial Sources
10/13/2010EP2237665A2 Method for preparing dicaffeoylquinic acids and use thereof in combating aphids
10/13/2010EP1392621B1 Solid phase extraction method for obtaining high-purity unsaturated compounds or derivatives of said compounds
10/13/2010CN1934064B Utilization of acetic acid reaction heat in other process plants
10/13/2010CN101857544A Synthesis method of herbicide 2, 4-dichlorphenoxyacetic acid
10/13/2010CN101857543A Drying method of distannous citrate
10/13/2010CN101857542A Method for manufacturing low-lead granular zinc citrate
10/13/2010CN101857541A Method for preparing potassium cinnamate
10/13/2010CN101857540A Method for producing adipic acid, hexamethylenediamine hydrochloride and polyhexamethylene (di)guanidine chloride from nylon-66 through depolymerization
10/13/2010CN101857539A Method for producing adipic acid, hexamethylenediamine sulfate and polyhexamethylene (di)guanidine sulfate from nylon-66 through depolymerization
10/13/2010CN101856624A Multiphase Pd catalyst and preparation method and application thereof
10/13/2010CN101168503B Method for extracting and separating shikimic acid from star anise
10/12/2010US7812192 Cost-saving scheme to bypass the methyl acetate processing at production facilities and use the methyl acetate in an integrated methanol carbonylation unit