Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
04/2013
04/24/2013CN101594934B Method for producing catalyst moulded bodies whose active mass is a multi-element oxide
04/24/2013CN101591236B Method for synthesizing ketoprofen through channelization
04/24/2013CN101560146B Preparation method of paraphthaloyl chloride with high purity
04/24/2013CN101516822B Method for removing iodide compound from organic acid
04/24/2013CN101492361B Process for producing carboxylic acid anhydride
04/23/2013US8426641 Process for preparing formic acid
04/23/2013US8426640 Method for producing acrylic acid, and method for producing hydrophilic resin and method for producing water-absorbing resin using production method thereof
04/23/2013US8426639 Preparation of trans, trans muconic acid and trans, trans muconates
04/23/2013US8426638 Use of predehydration towers in an ethane oxidation to acetic acid/ethylene process
04/23/2013US8426637 Process for preparation of high purity methacrylic acid
04/23/2013US8426633 Carbonylation process for the production of acetic acid and/or methyl acetate
04/23/2013US8426621 Refined edible oil having high beneficial constituents and methods for refining thereof
04/23/2013US8426335 Catalyst and process for production of acrylic acid
04/23/2013CA2647244C Method of preparing conjugated linoleic acid from a biodiesel byproduct and feed composition comprising the same
04/23/2013CA2637325C Process for the production of acetic acid
04/18/2013WO2013053898A1 Packaging of preservatives containing carboxylic acid anhydrides
04/18/2013WO2013053032A1 Process for producing acetic acid from ethanol
04/18/2013US20130096343 Process for removing, isolating and purifying dicarboxylic acids
04/18/2013US20130096342 Depolymerization of polylactic acid
04/18/2013US20130096326 Method of biobased chemical production from crude bioglycerin
04/18/2013US20130096322 Method of biobased chemical production from crude bioglycerin of recycled oil, grease, and fat origin
04/18/2013US20130095545 Polylactic acid decomposition method
04/17/2013EP2581363A1 Liquid phosgenation reagent comprising triphosgene and diphosgene
04/17/2013EP2580968A1 Packaging of preservatives containing carboxylic acid anhydrides
04/17/2013EP2580192A2 Methods for manufacturing tetranor-prostaglandin d, j, e, a and f metabolites
04/17/2013CN202876531U Mother solution purifying device with filter
04/17/2013CN1572765B Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid
04/17/2013CN103052621A Process for preparing difluoroacetic acid, salts thereof or esters thereof
04/17/2013CN103046132A Preparation and application of ZnO nanometer monocrystal with porous flower-like structure
04/17/2013CN103044314A Preparation method of amlodipine maleate
04/17/2013CN103044307A Piracetam pharmaceutical co-crystal using 2,4-dihydroxy-benzoic acid as precursor and preparation method of co-crystal
04/17/2013CN103044244A Pyrene D-pi-A type asymmetric disc dye compound
04/17/2013CN103044243A Method for extracting and separating tyrosinase inhibitor from gomphrena globosa
04/17/2013CN103044242A Purification method of 3,5-di-tert-butyl-4-hydroxybenzoic acid
04/17/2013CN103044241A Synthesis method of m-phenyl formyl phenylacetic acid
04/17/2013CN103044240A Process for extracting 10-oxhydryl-2-caproleic acid from royal jelly
04/17/2013CN103044239A Production method of sodium citrate
04/17/2013CN103044238A Method for preparing calcium 3-methyl-2-oxovalerate
04/17/2013CN103044237A Method for preparing levulinic acid by converting cellulose efficiently
04/17/2013CN103044236A Method for preparing glyoxylic acid
04/17/2013CN103044235A Method for preparing phenyl octadecanoic acid
04/17/2013CN103044234A Method and catalyst for preparing adipic acid
04/17/2013CN103044233A Process for preparing stearate through ball milling
04/17/2013CN103044232A Process for preparing stearate by low temperature ball-milling method
04/17/2013CN103043843A Device and method for extracting sodium acetate from tower bottom wastewater of primary tower in furfural production
04/17/2013CN103043772A Method for selectively carrying out catalytic conversion on monocyclic aromatic in water to obtain small molecule acid
04/17/2013CN103041859A Catalyst suitable for carbonylation between C1-C4 alcohol and derivant of C1-C4 alcohol
04/17/2013CN103041830A Method for preparing acrylic acid catalyst from propylene by one-step oxidation method
04/17/2013CN102516597B Special metal salt monomer for vegetable oil based liquid heat stabilizer and preparation method thereof
04/17/2013CN102344582B Non-aqueous production method for lead stearate compound stable lubricant
04/17/2013CN102344359B Method for preparing 3-butenoic acid
04/17/2013CN102206151B Synthetic method of royaljelly acid
04/17/2013CN102010692B Phase change energy storage material prepared from oleic acid or esters of energy storage material and preparation method thereof
04/17/2013CN101941901B Method for recycling mother solid in PTA-refining wastewater
04/17/2013CN101905158B Platinum carbon catalyst for preparing alcohol ether carboxylic acid and preparation method and application thereof
04/17/2013CN101857540B Method for producing adipic acid, hexamethylenediamine hydrochloride and polyhexamethylene (di)guanidine chloride from nylon-66 through depolymerization
04/17/2013CN101857539B Method for producing adipic acid, hexamethylenediamine sulfate and polyhexamethylene (di)guanidine sulfate from nylon-66 through depolymerization
04/17/2013CN101838193B Light-colored low-phosphorous dimer acid production process
04/17/2013CN101811956B Preparation method of trans-crocetin
04/17/2013CN101781187B Method for preparing conjugated linoleic acid by solid base catalysis
04/17/2013CN101774902B Preparation method of polyfluoro aliphatic carboxylic acid
04/17/2013CN101747174B Preparation method of calcium propionate and second-effect flash distillation plant
04/17/2013CN101717331B Method for preparing iron oxalate
04/17/2013CN101687754B Process for producing aromatic carboxylic acid
04/17/2013CN101654409B Preparation method of water soluble coloring metal for producing ceramic permeation pattern brick
04/17/2013CN101628872B New method for preparing functionalised benzocyclobutenes and its application in the synthesis of ivabradine and its addition salts
04/17/2013CN101610988B Method for producing 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol
04/17/2013CN101565366B Application of iridium complex in asymmetry catalytic hydrogenation of unsaturated carboxylic acid
04/17/2013CN101331103B Mixed oxide catalysts for the catalytic gas-phase oxidation of olefins and processes for producing them
04/17/2013CN101139276B Process for the purification of lanthanide carboxylates
04/11/2013WO2013052489A1 Processes for producing acrylic acids and acrylates
04/11/2013WO2013052488A1 Processes for producing acrylic acids and acrylates
04/11/2013WO2013052487A1 Processes for producing acrylic acids and acrylates
04/11/2013WO2013052485A1 Processes for the production of acrylic acids and acrylates from a trioxane feed
04/11/2013WO2013052473A1 Processes for producing acrylic acids and acrylates with diluted crude acrylate stream
04/11/2013WO2013052472A1 Processes for producing acrylic acids and acrylates
04/11/2013WO2013052471A1 Processes for producing acrylic acids and acrylates
04/11/2013WO2013052464A1 Processes for producing acrylic acids and acrylates
04/11/2013WO2013052462A1 Processes for producing acrylic acids and acrylate with pre- and post-reactor dilution
04/11/2013WO2013052461A1 Processes for producing acrylic acids and acrylates
04/11/2013WO2013052422A1 Processes for producing acrylic acids and acrylates
04/11/2013WO2013052421A1 Processes for producing acrylic acids and acrylates
04/11/2013WO2013052420A1 Processes for producing acrylic acids and acrylates
04/11/2013WO2013051565A1 Method for producing fluorinated (poly)ether-containing carbonyl fluoride
04/11/2013WO2013050644A1 Enantiomers of 2-hydroxy derivatives of fatty acids
04/11/2013WO2013050367A2 Method for producing formic acid by reacting carbon dioxide with hydrogen
04/11/2013WO2013050210A1 Method for obtaining acetate from lignocellulose
04/11/2013US20130090496 Process for preparing formic acid by reacting carbon dioxide with hydrogen
04/11/2013US20130090495 Selective hydrocarbon oxidation using heterogenous catalysts
04/11/2013CA2851175A1 Process for preparing formic acid by reacting carbon dioxide with hydrogen
04/11/2013CA2850386A1 Method of obtaining acetate
04/10/2013EP2576734A1 Hydrogen treatment of impure tall oil for the production of aromatic monomers
04/10/2013EP2576491A1 Extraction towers and processes for using the same
04/10/2013EP2576486A2 Carbocatalysts for chemical transformations
04/10/2013CN103038207A Process for producing acetic acid
04/10/2013CN103038206A Carbonylation process
04/10/2013CN103037948A Processes utilizing switch condensers
04/10/2013CN103030633A Process and intermediate compounds useful in the preparation of statins
04/10/2013CN103030554A Method of solvent replacement for crude terephthalic acid oxidation slurry
04/10/2013CN103030553A Synthesis method of menthylformic acid
1 ... 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 ... 432