Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
08/2013
08/06/2013US8501973 Synthesis of terminal alkenes from internal alkenes via olefin metathesis
08/06/2013CA2597120C Methods for oxidizing organic compounds
08/01/2013WO2013110998A1 A process for preparation of alkynyl carboxylic acids
08/01/2013US20130197267 Processes for Preparing Acetic Anhydride
08/01/2013US20130197257 New process
08/01/2013US20130197245 Organometallic Molybdenum Acetylide Dioxo Complex And Process For The Preparation Thereof
08/01/2013US20130197243 Salts of 7-amino-3,5-dihydroxyheptanoic acid esters
08/01/2013US20130197183 Process for Producing a Lactic Acid-Amine Complex
07/2013
07/31/2013EP2619298A1 Process for concentrating omega-3 fatty acids
07/31/2013EP2619168A2 Method and apparatus for the electrochemical reduction of carbon dioxide
07/31/2013EP2619166A2 Process and system
07/31/2013EP2619165A1 Method for preparing a complex of an acid and a metal
07/31/2013EP2619161A1 Integrated process for producing alcohols from a mixed acid feed
07/31/2013CN203095917U Device for refining ibuprofen sodium salt
07/31/2013CN203090521U Adipic acid crystallization system
07/31/2013CN103228606A A process for the production of methacrylic acid and derivatives and polymers of the methacrylic produced therefrom
07/31/2013CN103228605A Processes for producing hooc--cooh compound acids from fermentation broths containing nh4+ -<wbr/>ooc-r-coq-nh4+ compounds
07/31/2013CN103228356A Catalyst for producing unsaturated carboxylic acids and unsaturated carboxylic acid production method using said catalyst
07/31/2013CN103224835A Method for extraction of unsaturated fatty acid from oil-containing microalgae and preparation of aviation fuels
07/31/2013CN103224451A Method for synthesizing 3,5-dichlorobenzoic acid
07/31/2013CN103224450A Method for producing purified terephthalic acid by using alkali reduction wastewater residue, and device thereof
07/31/2013CN103224449A Method for recovering benzoic acid from mother liquor or waste liquid
07/31/2013CN103224448A Hapten, artificial antigen and antibody of pentabrominated diphenyl ethers-121
07/31/2013CN103224439A Oxidation catalyst and its preparation
07/31/2013CN103223350A A catalyst system
07/31/2013CN103223336A Catalyst composition for the selective conversion of alkanes to unsaturated carboxylic acids, method of making and method of using thereof
07/31/2013CN102351804B Method for recovering valsartan racemate
07/31/2013CN102344361B High selectivity synthesis method of benzoyl formic acid
07/31/2013CN102336656B High-selectivity synthesis method of benzoyl formic acid
07/31/2013CN102320957B Method for preparing 4-(2,4,5-trifluorophenyl)-3-oxo-butanoic acid
07/31/2013CN102320949B Multistage acidification reaction device for formic acid continuous production
07/31/2013CN102015613B Treprostinil monohydrate
07/31/2013CN101863759B Method for preparing copper benzoate
07/30/2013US8497389 Single step transesterification of biodiesel feedstock using a gaseous catalyst
07/25/2013WO2013109143A1 Extraction of carboxylic acids from a dilute aqueous stream
07/25/2013WO2013107904A1 Process to produce alkanoic acid esters in a carbonylation process using lewis acids as acid promotor
07/25/2013WO2013084500A3 Catalyst for the manufacturing of acrylic acid and a process for producing acrylic acid by using the catalyst
07/25/2013US20130190532 Process for preparing formic acid
07/25/2013US20130190531 Process for the manufacture of acetic acid
07/25/2013US20130190530 Process And System For The Separation Of Carboxylic Acids From A Slurry
07/25/2013US20130190528 Method for the oxidation of unsaturated organic compounds
07/25/2013US20130190523 Process for the Preparation of Oxidized Phospholipids
07/25/2013US20130190399 Synthesis and use of omega-3 and omega 6 very long chain polyunsaturated fatty acids (VLC-PUFA)
07/25/2013US20130189749 Compositions, Methods, and Kits for Polyunsaturated Fatty Acids from Microalgae
07/24/2013EP2617706A1 Novel intermediate used for preparing tapentadol or analogues thereof
07/24/2013EP2617679A1 Silica-based material, manufacturing process therefor, noble metal carrying material, and carboxylic acid manufacturing process using same as catalyst
07/24/2013EP2616433A1 New process
07/24/2013EP2616427A1 Method for producing acrylic acid from ethanol and formaldehyde
07/24/2013EP2616425A2 Method for producing acrylic acid from methanol and acetic acid
07/24/2013CN203079884U Series-connection discoloring device for potassium sorbate
07/24/2013CN203075946U Reaction device for preparing calcium citrate
07/24/2013CN203075696U Active carbon separation system of hexanedioic acid device
07/24/2013CN103221524A Process for concentrating omega-3 fatty acids
07/24/2013CN103221378A Method for producing acrylic acid from ethanol and formaldehyde
07/24/2013CN103221377A Nitrous oxide-containing ionic liquids as chemical reagents
07/24/2013CN103221376A Glycidyl esters of alpha, alpha branched neononanoic acids, synthesis and uses
07/24/2013CN103221375A Production of acetic acid with an increased production rate
07/24/2013CN103221374A Processes For Producing NH4+ -OOC-R-COOH Compounds From Fermentation Broths Containing NH4+ -OOC-R-COO-NH4+Compounds And/Or HOOC-R-COOH Compound Acids, And Conversion Of NH4+ -OOC-R-COOH Compounds To HOOC-R-COOH Compound Acids
07/24/2013CN103221372A Method for producing acrylic acid from methanol and acetic acid
07/24/2013CN103221126A Activated carbon-metal organic framework composite materials with enhanced gas adsorption capacity and process for the preparation thereof
07/24/2013CN103214761A Plant oxalic acid heat stabilizer for PVC
07/24/2013CN103214520A Ionic liquid covalent-loaded chiral phosphine ligand and application thereof
07/24/2013CN103214492A A3B type porphyrin and A3B type metalloporphyrin compound, and preparation method and application thereof
07/24/2013CN103214363A Method for preparing levulinic acid through plant polysaccharide degradation under synergetic catalysis of Lewis acids and Bronsted acid in high-temperature liquid-state water
07/24/2013CN103214362A Method for extracting trifluoroacetic acid from explosive waste water
07/24/2013CN103214361A Method for regenerative cycle and utilization of iodine-containing methanol under low load
07/24/2013CN103214113A Chromatographic separation method of sodium chloride and sodium glycollate in waste water in production process of sodium carboxy methyl cellulose
07/24/2013CN103212427A Boron-containing multi-metallic oxide catalyst and preparation method thereof
07/24/2013CN102247890B Nitrogen-coordinated magnetic nano composite microsphere-supported palladium catalyst and preparation method and application thereof
07/24/2013CN102174633B Method for splitting ibuprofen
07/24/2013CN102154036B Method for producing boiler fuel by utilizing papermaking black liquid
07/24/2013CN102020549B Continuous production method for separating acetic acid from water by azeotropic distillation
07/24/2013CN102010326B Industrial method for synthesizing 2-(4-methoxyphenoxy)-propionic acid through phase transfer
07/24/2013CN101965327B Process of separation of glyoxylic acid from an aqueous reaction medium containing glyoxylic acid and hydrochloric acid
07/24/2013CN101941902B Method for producing oxalic acid by utilizing mother liquor of sucralose
07/24/2013CN101891569B Preparation method of alpha-aromatic ketone compound
07/24/2013CN101723820B Method for preparing acetic acid by carbonylation of choromethane
07/24/2013CN101600679B Process for the production of high purity aromatic carboxylic acids using a benzoic acid and water solvent for oxidation and purification
07/24/2013CN101479229B Process for converting nitrile compounds to carboxylic acids and corresponding esters
07/24/2013CN101395119B Carboxylic acid production process
07/24/2013CN101372449B Method for producing unsaturated carboxylic acids and nitrile
07/23/2013US8492587 Reactor and process for preparing phosgene
07/23/2013US8492586 Process for preparation of formate salt
07/23/2013US8492584 Process and apparatus for oxidizing organic compounds
07/23/2013US8492583 Hydrogenation using metal catalyst supported on heat, acid, abrasion and attrition resistant, high surface area silicon carbide support
07/18/2013WO2013106137A1 Process for making levulinic acid
07/18/2013WO2013104924A1 A process for the production of ethylenically unsaturated carboxylic acids or esters and a catalyst therefor
07/18/2013WO2013104318A1 Crystal form of prostaglandin analogue, and preparation method and use thereof
07/18/2013WO2013048606A3 Industrial oil comprising a bio-derived ester
07/18/2013US20130184492 Processes for producing hooc-r-cooh compound acids from fermentation broths containing nh4+ -ooc-r-coo-nh4+ compounds
07/18/2013US20130184491 Production of Acetic Acid with Enhanced Catalyst Stability
07/18/2013US20130184490 Process to prepare s-2-hydroxy-3-methoxy-3,3-diphenyl propionic acid
07/18/2013US20130184469 Process for preparation of rufinamide
07/18/2013US20130184347 Acid addition salt of a nortriptyline-gaba conjugate and a process of preparing same
07/18/2013DE10393950B4 Verfahren zur Herstellung von Carbonsäure A process for the preparation of carboxylic acid
07/17/2013EP2614108A2 Biomass extraction process
07/17/2013EP2613876A1 Improved vpo catalyst with low vanadium oxidation state for maleic anhydride production
07/17/2013CN203065434U Extraction device for extracting linolenic acid from perilla frutescens
07/17/2013CN203061164U Device for mounting thermocouple on reactor during acrylic acid production
07/17/2013CN203060865U Control system of jacket heating medium of film evaporator of acrylic acid and ester device
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