Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
03/2014
03/25/2014US8680325 Process for preparing 2,5-dihydroxyterephthalic acid
03/25/2014US8679364 Deicer compositions and processes for making deicers
03/25/2014CA2738164C Processes for producing adipic acid from fermentation broths containing diammonium adipate
03/25/2014CA2466449C P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
03/20/2014WO2014043468A1 Methods of producing para-xylene and terephthalic acid
03/20/2014WO2014040476A1 Process for synthesising brominated eneyne compound e, e-22-bromo-9,11,19-triyne-17,21-diene docosanoic acid ester
03/20/2014WO2013188348A3 Process for production of adipic acid from 1,6-hexanediol
03/19/2014EP2707353A1 Catalytic carbonylation catalysts and methods
03/19/2014EP2707136A1 Catalysts for producing acrylic acids and acrylates
03/19/2014CN103649322A Method for producing organic acid
03/19/2014CN103649281A Process for preparing a turbine oil comprising an ester component
03/19/2014CN103649046A Method for the preparation of cyclohexanecarboxylic acid
03/19/2014CN103649039A Process for the hydrodechlorination of a liquid feed comprising dichloroacetic acid
03/19/2014CN103649038A Catalytic carbonylation catalysts and methods
03/19/2014CN103649037A Hydrolysis and esterification with acid catalysts
03/19/2014CN103649036A Process for the preparation of formic acid by reacting carbon dioxide with hydrogen
03/19/2014CN103649029A Cyclohexanol, method for producing cyclohexanol, and method for producing adipic acid
03/19/2014CN103642853A Novel process for extracting L-malic acid
03/19/2014CN103642851A Method for preparing ferulic acid from wheat bran by using two-enzyme method
03/19/2014CN103642484A Diphenylethylene type co-crystallization materials with multi-stimulus fluorescence response property and preparation method thereof
03/19/2014CN103641866A Method of extracting high-purity crocin from gardenia
03/19/2014CN103641792A Mirabegron related substance or salt thereof, and preparation method and use thereof
03/19/2014CN103641768A Phenylindole high iodine salt compound, and preparation method and use thereof
03/19/2014CN103641727A Method for preparing salmeterol xinafoate
03/19/2014CN103641714A Synthetic method of acrylic ester
03/19/2014CN103641710A Synthesis method for trimesoyl chloride
03/19/2014CN103641708A Method for eliminating oxalic acid during citric acid fermentation process
03/19/2014CN103641707A Method for preparation of sebacic acid by castor oil compound cracking
03/19/2014CN103641706A Preparation method for trimesoyl chloride
03/19/2014CN103641705A Method for extracting crocetin from gardenia fruit
03/19/2014CN103641704A Method for preparing phenylacetic acid derivative
03/19/2014CN103641702A Hydrolysis method for pleuromutilin
03/19/2014CN103638951A Catalyst for preparing acrylic acid through lactic acid dehydration and application thereof
03/19/2014CN103638776A Recycling system of acetic ether exhaust gas
03/19/2014CN103073456B Preparation method for rivastigmine intermediate
03/19/2014CN102746496B Oxygen absorbent and single-layer bottle oxygen-absorbing polyester material containing same
03/19/2014CN102659558B Rodlike water containing binary oxalate for negative pole material of lithium ion battery and application thereof
03/19/2014CN102215956B Method for producing geometric catalyst moulded bodies
03/19/2014CN101550081B Effective components of Cacumen Platycladi and preparation method thereof
03/18/2014US8674124 Preparation of an active intermediate
03/18/2014US8673245 Fixed-bed reactor and process for producing acrylic acid using the reactor
03/18/2014CA2648176C Process for the preparation of carboxylic acids and/or derivatives thereof
03/13/2014WO2014039638A1 Energy efficient method and apparatus for the extraction of biomolecules from dilute aqueous solution
03/13/2014WO2014039285A1 Processes for purifying acetic anhydride and method of making same
03/13/2014WO2014038504A1 Catalyst supporting body loaded with gold nanoparticles and method for producing same
03/13/2014WO2014038489A1 Method for producing unsaturated acid and/or unsaturated acid ester
03/13/2014WO2014037560A1 Process for the separation of levulinic acid from biomass
03/13/2014US20140073813 Heat Integration of Carbonylation and Aldol Condensation Reaction Processes
03/13/2014US20140073812 Process for Making Acrylic Acid by Integrating Acetic Acid Feed Stream from Carbonylation Process
03/12/2014EP2705019A1 Removal of aromatics from carbonylation process
03/12/2014EP2705018A1 Removal of amine compounds from carbonylation process stream containing corrosion metal contaminants
03/12/2014CN203474694U Production device of high-purity formic acid
03/12/2014CN203474693U IPA (Iso Propyle Alcohol) recycling machine
03/12/2014CN203469969U Dropwise addition reactor
03/12/2014CN203469954U Device for adding re-stabilization inhibitor into acrylic acid
03/12/2014CN103627087A Method for nucleating and modifying polypropylene through rare earth complex
03/12/2014CN103626773A Salt of vasicine derivative
03/12/2014CN103626710A Cocrystals of 2-(5-bromo-4-(4-cyclopropylnaphthalene-1-yl)-4H-1, 2, 4-triazol-3-ylthio) acetic acid and preparation method thereof
03/12/2014CN103626700A Salt of cyclopropane dicarboxamide derivative
03/12/2014CN103626655A Preparation method of exposed crystal face controllable metal-organic framework material
03/12/2014CN103626654A Method for preparing 2,4-D dimethylamine salt raw pesticide
03/12/2014CN103626653A Rabdosia rubescens procoagulant effective components, and preparation method and application thereof
03/12/2014CN103626651A Method for preparing vinpocetine intermediate gamma-hydroxypropyl-ethylmalonic acid
03/12/2014CN103626650A Preparation method of lactic acid and derivative thereof
03/12/2014CN103626649A Method of preparing pelretin A acid
03/12/2014CN103626648A Synthesis method of long-chain saturated fatty acid with branched chains
03/12/2014CN103626647A Method for synthesizing calcium type scallop powder by using shells as raw material
03/12/2014CN103623848A Preparation method of mesoporous mixed metal oxide catalyst
03/12/2014CN102659554B Anti-blocking agent and preparation method and application of anti-blocking agent
03/12/2014CN102476994B Method for filtering, washing and separating crude terephthalic acid by using oxidizing unit of fine terephthalic acid device
03/12/2014CN102464579B Method for preparing hexanedioic acid from cyclohexane oxidation byproducts
03/12/2014CN102452921B Method for preparing dicarboxylic acid
03/12/2014CN102408289B Separation method of chiral medicament by applying protein functionalized magnetic nano-particles
03/12/2014CN102381916B Synthesis method of beta, beta-diaryl alkene
03/12/2014CN102285878B Method for preparing 2-halo-4,5-dimethoxy benzoic acid
03/12/2014CN102276442B Synthetic method of dichloroacetate
03/12/2014CN102105429B Method for producing (meth)acrylic acid anhydride, method for storing (meth)acrylic acid anhydride, and method for producing (meth)acrylate ester
03/12/2014CN102036945B Production of ethylenically unsaturated acids or esters thereof
03/12/2014CN101759560B Manufacturing method and use of trans-3-substituted phenyl acrylic acid derivative
03/12/2014CN101607892B Method for producing sodium citrate
03/11/2014US8669397 Production of adipic acid and derivatives from carbohydrate-containing materials
03/11/2014US8669392 Process for preparing 2,3-di-non-straight-alkyl-2-cyanosuccinic acid diesters
03/11/2014US8669385 Oxidative cleavage of unsaturated carboxylic acids
03/06/2014WO2014035240A1 Ester formation
03/06/2014WO2014034004A1 Photochemical electrode for carbon dioxide reduction and method for reducing carbon dioxide using photochemical electrode for carbon dioxide reduction
03/06/2014WO2014033413A1 Method for producing methacrolein and/or methacrylic acid
03/06/2014WO2014032479A1 Catalyst and method for synthesis of lactic acid and its derivatives
03/06/2014WO2014013397A3 Catalyst for preparing carboxylic acids and/or carboxylic anhydrides
03/06/2014US20140066653 Processes For Purifying Acetic Anhydride and Method of Making Same
03/06/2014US20140066652 Process for producing (meth)acrylic acid
03/06/2014US20140066651 Process for producing an acrylate product
03/05/2014EP2703407A1 Method for manufacturing phosphonocrotonic acid derivative
03/05/2014EP2702032A1 Process for the production of 4-chloroacetoacetyl chloride, 4-chloroacetoacetic acid esters, amides and imides
03/05/2014EP2702031A2 A method of purifying a dicarboxylic acid compound
03/05/2014EP2702019A1 Process for removing water from ethanol mixtures
03/05/2014EP2701839A1 Catalyst for producing acrylic acids and acrylates
03/05/2014CN203459073U Nitrogen introduction device applied to DHPPA (R-(+)-2-(4-Hydroxyphenoxy) propionic acid) synthesis
03/05/2014CN103619801A Process for the preparation of alkanoic acid esters in a carbonylation process using palladium bidentate biphosphate ligands
03/05/2014CN103619798A Process for preparing formic acid
03/05/2014CN103613597A Preparation process of sildenafil citrate
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