Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
06/2014
06/11/2014CN103846100A Pd/C-SiC catalyst for p-phthalic acid hydrorefining, preparation method and application thereof
06/11/2014CN102976917B Aqueous-phase refining method of long-chain dibasic acid
06/11/2014CN102872856B Process for preparing a catalyst consisting of a support body and a catalytically active composition applied on the surface of the support body
06/11/2014CN102850211B Gallic acid and clean and efficient production process thereof
06/11/2014CN102816063B Method for producing high purity 2-hydroxy-3-naphthoic acid
06/11/2014CN102659572B Preparation method of dehydroabietic acid
06/11/2014CN102267890B Method for extracting and recovering acrylic acid from acrylic ester production wastewater
06/11/2014CN102199086B Method for synchronously hydrolyzing cellulosic biomass
06/11/2014CN102015088B Method and apparatus for carbonylating methanol with acetic acid enriched flash stream
06/11/2014CN101616886B Method of supplying terephthalic acid slurry
06/11/2014CN101610990B Aluminium trilactate powder and method for preparation
06/10/2014US8748657 Process to prepare treprostinil
06/10/2014US8748641 Process for preparing saturated branched chain fatty acids
06/10/2014US8748638 Processes for preparing diacids, dialdehydes and polymers
06/10/2014US8748637 Processes for preparing diacids, dialdehydes and polymers
06/10/2014US8748545 Process for producing bio-resourced polymer-grade acrylic acid from glycerol
06/05/2014WO2014085393A1 Methods of making functionalized internal olefins and uses thereof
06/05/2014WO2014082845A1 Method for producing formic acid
06/05/2014WO2014082143A1 Hydroesterification process for producing biodiesel from wet microalgae biomass
06/05/2014WO2014054036A3 A method of oxidizing an organic compound
06/05/2014US20140155653 An improved process for catalytic dehydration of lactic acid to acrylic acid
06/05/2014US20140155651 Lactic acid direct synthesis process
06/05/2014US20140155650 Production of Acrylic Acid and Ethanol from Carbonaceous Materials
06/05/2014US20140155647 Method for the Synthesis of Diacids or Diesters from Natural Fatty Acids and/or Esters
06/04/2014EP2738261A2 Process for the enzymatic production of terephthalic acid
06/04/2014EP2738260A2 Process for the enzymatic production of an aromatic carboxylic acid
06/04/2014EP2736873A1 Process for preparing a diamine/dicarboxylic acid salt
06/04/2014EP2736871A2 Improved process of dehydration reactions
06/04/2014EP2736865A1 Method for hydrolyzing alpha - chlorinated toluene compounds
06/04/2014CN203625264U 一种液环真空泵排放液的回收系统 One kind of liquid ring vacuum pump discharge liquid recovery system
06/04/2014CN203620552U Pta精制单元高温高压结晶系统用搅拌罐 Pta refining unit crystallization temperature and high pressure systems with mixing tank
06/04/2014CN103842328A Processes for producing acrylic acids and acrylates
06/04/2014CN103842327A Processes for producing acrylic acids and acrylates
06/04/2014CN103842326A Processes for producing acrylic acids and acrylates
06/04/2014CN103842325A Processes for producing acrylic acids and acrylates
06/04/2014CN103842324A Process for oxidizing an alkyl-aromatic compound
06/04/2014CN103842323A Process for producing terephthalic acid
06/04/2014CN103842321A Process for oxidizing an alkyl-aromatic compound
06/04/2014CN103842320A Process for oxidizing alkyl aromatic compounds
06/04/2014CN103842286A Recovery of carboxylic acid from their magnesium salts by precipitation using hydrochloric acid, useful for fermentation broth work-up
06/04/2014CN103834696A Method for producing lactic acid through continuously fermenting batches of lignocellulose hydrolysate by coupling fermenting and membrane separation
06/04/2014CN103834695A Active compound for inducing fungal laccase and fermentation preparation method and application of active compound
06/04/2014CN103833766A Arglabin dimethylamine fumarate and application thereof to medicament preparation
06/04/2014CN103833758A Salt of hydroxyl canthin-6-one derivative
06/04/2014CN103833750A Salt of dehydroapocavidine derivative
06/04/2014CN103833747A Salt of coptisine derivative
06/04/2014CN103833741A Emtricitabine salicylate and preparation method and application thereof
06/04/2014CN103833733A New crystal form of tini-type medicines
06/04/2014CN103833726A Tetrahydrothiophene ionic liquid, and preparation method and application thereof
06/04/2014CN103833677A Pyrrole ionic liquid, and preparation method and application thereof
06/04/2014CN103833649A Pyrazine ionic liquid, and preparation method and application thereof
06/04/2014CN103833620A Sulfur-containing ionic liquid, and preparation method and application thereof
06/04/2014CN103833558A Quaternary ammonium salt ionic liquid, and preparation method and application thereof
06/04/2014CN103833548A Methyl glycolate preparation method
06/04/2014CN103833547A Method and device for producing organic zinc by utilization of ultrasonic tubular reactor
06/04/2014CN103833546A Asymmetric synthesis method of optically pure tanshinol and derivative of tanshinol
06/04/2014CN103833545A Preparation method of calcium citrate
06/04/2014CN103833543A Preparation method of sodium acetate
06/04/2014CN103833542A Method for preparing acetic acid by rapid thermal cracking of biomass raw material
06/04/2014CN103833514A Organic matter synthesized by raw materials CO2 and H2O and application thereof
06/04/2014CN103831131A Catalyst, preparation method and application thereof
06/04/2014CN103831057A Fluorocarbon surface active agent and preparation method thereof
06/04/2014CN102898297B Processing method of metronidazole industrial waste mixed salt
06/04/2014CN102816059B Production method and application of calcium hydrogen citrate
06/04/2014CN102795992B Method for coproducing pure terephthalic acid and medium-purity terephthalic acid
06/04/2014CN102731297B Method for preparing medium-purity terephthalic acid by gradual heating oxidation
06/04/2014CN102675080B Preparation method of low-carbon chain symmetric anhydride
06/04/2014CN102634442B Device and method for biologically manufacturing succinic acid by continuous crystallization
06/04/2014CN102516058B Device for synthesizing 5-chlorovaleryl chloride
06/04/2014CN102471213B Device and method for crystallizing (meth)acrylic acid
06/04/2014CN102452926B Method for separating acetic acid and water
06/04/2014CN102414160B Method for producing (meth)acrylic acid and crystallization system
06/04/2014CN102260161B Decolorizing method of (meth)acrylic acid
06/04/2014CN102216311B Method for producing lithium difluorobis(oxalato)phosphate solution
06/04/2014CN102059085B Neutralization method
06/04/2014CN101952235B Cyclohexanone production process with impurities removal
06/04/2014CN101935272B Rare earth type water-base gel crosslinking agent and preparation method thereof
06/03/2014US8742169 Acrolein manufacturing method and acrylic acid manufacturing method
06/03/2014US8742168 Process for the production of acetic acid
06/03/2014US8741255 Oxidation process
06/03/2014US8741030 Metal complex, and adsorbent, occlusion material and separator material made from same
05/2014
05/30/2014WO2014081951A1 Methods, systems and devices for simultaneous production of lactic acid and propylene glycol from glycerol
05/30/2014WO2014081275A1 A method for isolating shikimic acid from oil palm waste
05/30/2014WO2014080059A1 Method for obtaining saturated dicarboxylic acids
05/30/2014WO2014079926A1 Method for preparing butanoic acid
05/30/2014WO2014079917A1 Method for preparing propanoic acid
05/30/2014WO2014079785A2 Method for producing superabsorbers based on renewable raw materials
05/30/2014WO2014079691A1 Hydrocarbonylation or methoxycarbonylation of 1,3-diene derivatives with palladium complex
05/30/2014WO2014079572A1 Method for the production of polyethylene terephthalate with a low carbon footprint
05/30/2014WO2014054955A4 A method for preparing microporous mof materials
05/30/2014WO2014035240A4 Ester formation
05/29/2014US20140148617 Process for preparing formic acid
05/29/2014US20140148616 Processo catalitico oxidativo para sintese de acido latico
05/29/2014US20140148615 Recovery of organic acid using a complex extraction solvent
05/29/2014US20140148603 Method for preparing a fluorinated organic compound
05/29/2014US20140148569 Oxidation Of Cyclohexylbenzene
05/28/2014EP2735615A1 Method for producing organic acid
05/28/2014EP2735559A1 Method for preparing a liquid carboxylic acid
05/28/2014EP2735558A1 Process for direct synthesis of lactic acid
05/28/2014EP2734495A1 Process for synthesizing omega-functionalized acids from fatty acids or fatty esters
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