C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides

Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
10/2011
10/26/2011	CN101381296B Method for synthesizing carbon nuclide (<11>C) labeled acetate
10/26/2011	CN101151237B Acrylic acid, water-absorbent polymer structures based on renewable resources and method for producing said structures
10/25/2011	US8044238 Method for production of purified (meth)acrylic acid
10/25/2011	US8044237 Method for production of aqueous (meth)acrylic acid
10/25/2011	US8043583 Baffle structure improving heat transfer efficiency of reactor or heat exchanger
10/20/2011	WO2011128814A1 Process for controlling a gas phase oxidation reactor for preparation of phthalic anhydride
10/20/2011	WO2011084472A3 Systems and methods for production of aromatic carboxylic acids
10/20/2011	US20110257429 Method for producing a free acid from the salt thereof
10/20/2011	US20110257401 Process for producing optically active carboxylic acid
10/20/2011	US20110257361 Alkyl benzene tetracarboxylic dianhydride, manufacturing method thereof, polyimide, and application thereof
10/20/2011	US20110257355 Process for producing acrylic acid
10/20/2011	US20110257268 Reduction of Sterols and Other Compounds from Oils
10/19/2011	EP2377843A1 Method for purifying methacrylic acid-containing streams
10/19/2011	EP2376469A2 Method for preparing (3s,4s)-4-((r)-2-(benzyloxy)tridecyl)-3-hexyl-2-oxetanone and novel intermediate used therefor
10/19/2011	EP2376418A1 Method for purifying lactic acid by crystallization
10/19/2011	EP2376417A2 Method for cleaving michael adducts that are contained in a fluid f and that were formed in the production of acrylic acid or esters thereof
10/19/2011	EP2376416A1 Solid calcium lactate in substantially spherical form
10/19/2011	EP1950191B1 Process for producing 3,3,3-trifluoropropionic acid
10/19/2011	EP1879843B1 Acetic acid production methods incorporating at least one metal salt as a catalyst stabilizer
10/19/2011	EP1412316B1 Method of oxidising hydrocarbons to acids
10/19/2011	EP1412077B1 Flow reactors for chemical conversions with hetergeneouos catalysts
10/19/2011	CN102224126A Methanol carbonylation with improved aldehyde removal
10/19/2011	CN102220388A Method for clean production of lactic acid by calcium salt process
10/19/2011	CN102219673A Positive charged composite nanofiltration membrane and preparation method thereof
10/19/2011	CN102219672A Method and device for producing pure terephthalic acid by alkali decrement wastewater residues
10/19/2011	CN102219671A Method for selective hydrogenation of aromatic aldehydes for refining terephthalic acid
10/19/2011	CN102219670A Linear chain polyketone compounds and application thereof
10/19/2011	CN102219669A Method for extracting purslane linolenic acid with supercritical CO2 fluid
10/19/2011	CN102219668A Wet treatment process for oxalate
10/19/2011	CN102219667A Higher fatty acid metal salt and preparation method thereof
10/19/2011	CN102219666A Method for preparing acetone and calcium formate by using biomass wastes
10/19/2011	CN102218344A 3,5-dicarboxyl pyrazole iridium complex catalyst used for carbonylation synthesis of acetic acid as well as preparation method and application thereof
10/19/2011	CN102218343A Lithium pyridine carboxylate-rhodium acetate complex catalyst for synthesizing acetic acid and acetic anhydride through carbonylation, and preparation method and application thereof
10/19/2011	CN102218328A Aromatic aldehyde selective hydrogenating catalyst used for refining terephthalic acid
10/19/2011	CN102218304A Catalyst for producing difluoro acetylfluoride and preparation method thereof
10/18/2011	US8039548 Method for purifying hydroxycarboxylic acid, method for producing cyclic ester, and method for producing polyhydroxycarboxylic acid
10/13/2011	WO2011125882A1 Method for producing lactic acids from starting materials containing carbohydrates
10/13/2011	WO2011124824A1 Process for the selective oxidation of carbon monoxide
10/13/2011	WO2011124733A1 Method for producing vpo catalysts on a carbonaceous biomass substrate
10/13/2011	WO2011067363A3 Producing acetaldehyde and/or acetic acid from bioethanol
10/13/2011	WO2011040717A3 Method for preparing intermediate of sitagliptin using chiral oxirane
10/13/2011	US20110251429 Chlorothioformate manufacturing method
10/13/2011	US20110251427 Polyfluoralkane carboxylic acid (or its salt) and process for producing the same
10/13/2011	US20110251422 Preparation of acetic acid
10/13/2011	US20110251242 Photostabilization of resveratrol with alkoxycrylene compounds
10/13/2011	US20110250670 Light energy-induced stability of biomaterials
10/12/2011	EP2375479A1 Composite negative material comprising a transition metal malonate
10/12/2011	EP2374895A1 Method for producing lactic acid and method for producing polylactic acid
10/12/2011	EP2374786A1 Purification of monochloroacetic acid rich streams
10/12/2011	EP2374538A1 Process for producting an heterophosphoromolybdic catalyst using cesium acetate as an additive
10/12/2011	EP2373608A1 Method of making fluorinated alkoxy carboxylic acids and precursors thereof
10/12/2011	EP1651843B1 A process for energy recovery in processes for the preparation of aromatic carboxylic acids
10/12/2011	EP1611186B1 Perdeuterated poliimides, method for the production and use thereof in the form of transparent materials in the range of 2500-3500 cm-1
10/12/2011	CN202007205U Fire retardant stannous octoate production device
10/12/2011	CN1527809B Process for the preparation of 7-substituted 3-alkyl-3H-isobenzofuran-1-one derivatives
10/12/2011	CN102216252A Method for producing bioresourced propionic acid from glycerol
10/12/2011	CN102215959A Carbonylation process catalysed by mordenite supported on inorganic oxides
10/12/2011	CN102215956A Method for producing geometric catalyst moulded bodies
10/12/2011	CN102212062A Derivative of amino ester, salt thereof and using method
10/12/2011	CN102212008A Tanshinol ligustrazine derivative and preparation method and application thereof
10/12/2011	CN102211996A Preparation method of 2,5-dihydroxy terephthalic acid
10/12/2011	CN102211995A Preparation method of 2,6-dihydroxybenzoic acid
10/12/2011	CN102211994A Industrialized synthesis method of 3-(2-bromophenyl)propionic acid
10/12/2011	CN102211993A Industrial preparation method of (E)-trimethyl-2-hexenoic acid
10/12/2011	CN102211992A Process for reclaiming dibasic acid from adipic acid production waste solution
10/12/2011	CN102211991A Method and device for synthesizing chloroacetic acid by microwave catalysis
10/12/2011	CN102211990A Method for purifying stearic acid
10/12/2011	CN102210938A Constant reflux batch fractionating device and method for water-acetic acid system
10/12/2011	CN101429111B Comprehensive processing method and apparatus for mother solution in production of glucurolactone
10/12/2011	CN101293823B Poly-epoxy itaconic acid, preparing method and uses thereof
10/12/2011	CN101166572B Multi-layered catalyst for producing phthalic anhydride
10/11/2011	US8034963 Process for refining fats and oils
10/11/2011	CA2649298C Process for the reduction of aldehyde concentration in a target stream of a carbonylation process via a supported catalyst
10/07/2011	CA2736688A1 Preparation of an active intermediate
10/06/2011	WO2011123270A1 Processes for the production of tetrahydrofuran, gamma - butyrolactone and/or butanediol from salts of succinic acid
10/06/2011	WO2011123269A1 Processes for the production of tetrahydrofuran, gamma-butyrolactone and/or butanediol from salts of succinic acid
10/06/2011	WO2011123268A1 Processes for producing succinic acid from fermentation broths containing diammonium succinate
10/06/2011	WO2011122341A1 Method for producing difluoroacetyl chloride
10/06/2011	WO2011121976A1 Process for production of catalyst from recovered catalyst
10/06/2011	WO2011121849A1 Production method for polyamide having norbornane skeleton, and polyamide having norbornane skeleton obtained by means of same
10/06/2011	WO2011087600A3 Process for the conversion of alcohols to olefins
10/06/2011	WO2011066634A3 A method for the production of olefins, an olefin, a polyolefin, and use of the polyolefin
10/06/2011	WO2011046307A3 Oxidation reactor for manufacturing aromatic carboxylic acid and method of manufacturing aromatic carboxylic acid using the same
10/06/2011	WO2011028862A3 Process for the synthesis of fluorinated ethers of aromatic acids
10/06/2011	WO2010079405A3 An improved process for preparing 1-(pentanoylamino)cyclopentanecarboxylic acid
10/06/2011	US20110245535 Multi-metal oxide catalyst and method for producing (meth)acrylic acid by using the same
10/06/2011	US20110245520 Method of making fluorinated alkoxy carboxylic acids and precursors thereof
10/06/2011	US20110245491 Separation process
10/06/2011	US20110245486 Method for the production of 1,4-benzothiepin-1,1-dioxide derivatives
10/06/2011	US20110245444 Transformation of biomass
10/06/2011	US20110244534 Process for the preparation of a monovalent succinate salt
10/05/2011	EP2371804A1 Processes for producing succinic acid from fermentation broths containing diammonium succinate
10/05/2011	EP2371803A1 Method for purifying a HIBA-containing methacrylic acid stream
10/05/2011	EP2371802A1 Process for the crystallization of succinic acid
10/05/2011	EP2371801A1 Method for producing acrylic acid
10/05/2011	EP2371800A1 Processes for producing monoammonium succinate from fermentation broths containing diammonium succinate, monoammonium succinate and/or succinic acid, and conversion of monoammonium succinate to succinic acid
10/05/2011	EP2371798A1 Processes for the production of tetrahydrofuran, gamma-butyrolactone and/or butanediol from salts of succinic acid
10/05/2011	EP2371797A1 Processes for the production of tetrahydrofuran, gamma-butyrolactone and/or butanediol from salts of succinic acid
10/05/2011	EP2370586A2 Process for the preparation of a monovalent succinate salt
10/05/2011	EP2370491A2 Bio-based terephthalate polyesters

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