Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
06/2003
06/25/2003CN1112345C Short-range and molecule distilling refining proces for lactic acid
06/24/2003US6583316 Catalysts for production of unsaturated aldehyde and unsaturated carboxylic acid and a process for producing unsaturated aldehyde and unsaturated carboxylic acid using the catalysts
06/24/2003US6583312 Catalytic hydrogenation of trimethylpyruvic acid
06/24/2003US6582943 Method for producing 2-hydroxyisobutyric acid and methacrylic acid from acetone cyanohydrin
06/24/2003US6582667 Shell-and-tube reactor
06/24/2003US6581637 Tank and a method for storing an easily polymerizable compound
06/19/2003WO2003050103A1 Preparation of substituted phthalic anhydrides and substituted phthalimides
06/19/2003WO2003050069A1 Process for producing (meth)acrolein or (meth)acrylic acid
06/19/2003WO2003049832A1 Extraction and winterization of lipids from oilseed and microbial sources
06/19/2003WO2003049690A2 Hiv integrase inhibitors
06/19/2003US20030114709 Process for preparing saturated carboxylic acids having from one to four carbon atoms by gas-phase oxidation of 2-butanone
06/19/2003US20030114689 For use as intermediates in preparation of pyrethroids
06/19/2003US20030114688 By heterogeneously catalyzed gas-phase oxidation of hydrocarbon having at least four carbon atoms by means of oxygen-containing gases; catalyst comprising vanadium, phosphorus and oxygen
06/19/2003US20030114524 An antiestrogenic agent containining aromatic or heteroaromatic compounds containing hydroxycarbonyl or metal salt- halogenoalkyl side chain; useful for treating breast cancer
06/19/2003US20030114352 Depot preparations
06/19/2003US20030111331 Process for inhibiting polymer formation in a vinyl monomer azeotropic dehydration process
06/19/2003CA2718374A1 Extraction and winterization of lipids from oilseed and microbial sources
06/18/2003EP1319991A2 Charge control agent, manufacturing process thereof, charge control resin particles and toner for developing electrostatic images
06/18/2003EP1319650A1 Process for producing (meth)acrylic anhydride and process for producing (meth)acrylic ester
06/18/2003EP1319649A1 Process for inhibiting polymer formation in an vinyl monomer azeotropic dehydration process
06/18/2003EP1319648A1 Process for the production of acrylic acid
06/18/2003EP1318973A2 Novel alkanoic acid derivatives
06/18/2003EP1105367B1 Substituted cinnamic acids and cinnamic acid esters
06/18/2003EP1075458B1 Process for purifying isophthalic acid by crystallization
06/18/2003CN1425001A Preparation of (S)-2-acetylthio-3-phenylpropionic acid
06/18/2003CN1424996A Process for the recovery of crude terephthalic acid (CTA)
06/18/2003CN1424995A Method for producing diamine and carboxylic diacid salt
06/18/2003CN1424938A High surface microporous active materials TIQ-6 and METIQ-6 in oxidation reactions
06/18/2003CN1424629A Charge adjusting agent and manufacture thereof, charge adjusting resin particle and electrostatic developing toning agent
06/18/2003CN1424300A Quantitative separation of esterified and etherified ferulaic acid and cumaric acid in stalk cell walls
06/18/2003CN1424299A Ammonium citrate preparation
06/18/2003CN1424298A Method and device for absorbing (methyl) acrylic acid
06/18/2003CN1424297A Method for preparing saturated carboxylic acid with one to four carbon atoms by 2-butanone gas-phase oxidation
06/18/2003CN1424294A Method for inhibiting polymer generation in azeotropic dehydration of vinyl monomer
06/18/2003CN1111520C Matrix metalloprotease inhibitors
06/18/2003CN1111519C Preparation of alpha-arylpropionic acid and its salts by oxonation of alpha-arylalcohol
06/18/2003CN1111447C Multimetal oxide material used for gas phase catalyzing and oxidizing of organic compound
06/17/2003US6580005 Depolymerization and saponification using sodium carbonate; separation, dissolution, impurity removal, neutralization, crystallization, washing, drying and pulverizing
06/17/2003US6580002 Dihalo-, cyano- and methyl- substituted biphenyl chemical intermediates
06/17/2003US6579992 Use for flavouring a wide range of food stuffs including baked goods, beverages, and confectionery
06/17/2003US6579991 Preparation of phthalic anhydride by oxidation of o-xylene with hot air in a reactor, the hot reaction gas being passed through a heat exchanger for interaction with cooling medium
06/17/2003US6579990 Dissolving crude pyromellitic acid or crude pyromellitic anhydride in water, cooling to crystalize, then anhydrating; by-product inhibition; colorless
06/17/2003US6579890 Matrix metalloprotease inhibitors
06/12/2003WO2003048121A1 Therapeutic benzamide derivatives
06/12/2003WO2003048111A1 Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound
06/12/2003WO2003048100A1 Process for producing (meth)acrylic acid compound
06/12/2003WO2003048099A1 Production of ammonium salts of aromatic carboxylic acids
06/12/2003WO2003048098A2 Process for preparing monochloroacetic acid
06/12/2003WO2003048097A1 Oxidation process in fluidised bed reactor
06/12/2003WO2003047746A1 Oxidation reactor, method for producing (meth)acrylic acid or the like, and method for analyzing easily polymerizable compound
06/12/2003WO2003047714A1 Riser base
06/12/2003WO2003033503A3 Method for producing, via organometallic compounds, organic intermediate products
06/12/2003US20030109760 Destroying peroxy compounds that might be present
06/12/2003US20030109749 Processes for the preparation of olefins, unsaturated carboxylic acids and unsaturated nitriles from alkanes
06/12/2003US20030109748 Catalyst useful for oxidation of alkanes
06/12/2003US20030109746 Turbulence gas flow
06/12/2003US20030109727 Wood stabilizers; oxidation resistance, fungicides
06/12/2003US20030109579 A novel class of dicarboxylic acid derivatives, the use of these compounds as pharmaceutical compositions, pharmaceutical compositions compounds may be useful in the treatment and/or prevention of conditions mediated by Peroxisome
06/12/2003US20030109381 Catalyst
06/12/2003CA2468942A1 Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound
06/12/2003CA2468500A1 Oxidation process in fluidised bed reactor
06/12/2003CA2468042A1 Production of ammonium salts of aromatic carboxylic acids
06/11/2003EP1318136A1 Process for the production of saturated carboxylic acids with 1 to 4 carbon atoms via gas phase oxidation of 2-butanone
06/11/2003EP1318127A2 Improved processes for the preparation of olefins, unsaturated carboxylic acids and unsaturated nitriles from alkanes
06/11/2003EP1317409A1 Method for the purification of an alpha-hydroxy acid on an industrial scale
06/11/2003EP1317408A1 METHOD FOR THE PURIFICATION OF AN $g(a)-HYDROXY ACID ON AN INDUSTRIAL SCALE
06/11/2003EP1317407A1 Method for the purification of alpha-hydroxy acids on an industrial scale
06/11/2003EP1015411B1 Method for the fractional condensation of a hot gas mixture containing acrylic acid or methacrylic acid and having a high proportion of non-condensable constituents
06/11/2003CN1423629A Metathesis synthesis of pheromones or their components
06/11/2003CN1423628A Oxidation of alkyl aromatic compounds to aromatic acids in an aqueous medium
06/11/2003CN1422840A 2-ethyl hexanoic acid production method
06/11/2003CN1422839A Preparation method for active chromium of organic acid
06/11/2003CN1422833A Improved method for preparing olefin, non-mathred carboxyl acid and non-matured nitrile
06/11/2003CN1111151C Treatment of formaldehyde-containing mixtures
06/11/2003CN1111150C Preparing process and application of calcium levulinate
06/10/2003US6576773 Method for production of pyromellitic dianhydride
06/10/2003US6576770 Preparation of substituted phthalic anhydrides and substituted phthalimides
06/10/2003CA2117340C Synthesis of homochiral 2-hydroxy acids
06/05/2003WO2003046115A1 Method for commercial preparation of conjugated linoleic acid from by-products of vegetable oil refining
06/05/2003WO2003046114A2 Method for commercial preparation of conjugated linoleic acid using spent alkali transesterification catalyst
06/05/2003WO2003045892A1 Process for producing (meth)acrylic acid compound
06/05/2003WO2003045890A1 Method for purifying (meth)acrylic acid
06/05/2003WO2003045889A1 Process for producing (meth)acrylic acid
06/05/2003WO2003045888A1 Optically active mandelic acid and its derivative, and method for crystallization thereof
06/05/2003WO2003045887A1 Neutral carbonated alkaline earth metal carboxylates
06/05/2003WO2003045886A2 Method for producing acrylic acid from propane in the absence of molecular oxygen
06/05/2003US20030105365 Comprise at least one substituent selected from electron-donating substituents, halogen substituents, and combinations thereof; organic thin-film transistors
06/05/2003US20030105348 Process for making 5-cyanovaleric acid, adipic acid or dimethyl adipate
06/05/2003US20030105279 Aromatic and heteroaromatic acid halides for synthesizing polyamides
06/05/2003US20030105148 Selective estrogen receptor modulators
06/05/2003US20030104954 Liquid overbased mixed metal stabilizer composition of calcium, barium and zinc for stabilizing halogen-containing polymers
06/05/2003CA2471649A1 Method for commercial preparation of conjugated linoleic acid from by-products of vegetable oil refining
06/05/2003CA2466911A1 Method for commercial preparation of conjugated linoleic acid using spent alkali transesterification catalyst
06/04/2003EP1173401A4 A production method of aromatic carboxylic acids
06/04/2003EP1140765A4 A production method of aromatic carboxylic acids
06/04/2003EP1095007B1 Water-soluble zinc pyruvates or their hydrates, method for the production thereof and their use
06/04/2003EP1071652A4 Process for the generation of alpha,beta-unsaturated carboxylic acids and esters using niobium catalyst
06/04/2003EP1023258B1 Lactic acid processing; methods; arrangements; and, products
06/04/2003EP1005586B1 Method for the recovery of formic acid
06/04/2003CN1422241A Carbonylation of lower alkyl alcohols and their derivatives using metals supported on carbonized polysulfonated divinylbenzene-styrene copolymers