Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › 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)
03/2012
03/22/2012US20120071687 Process for preparing acrylic acid from ethanol and formaldehyde
03/22/2012US20120071685 METHOD FOR PRODUCING BICYCLIC gamma-AMINO ACID DERIVATIVE
03/22/2012US20120071620 Method for crystallizing (meth)acrylic acid and method for regulating content of polymerization inhibitor in product (meth)acrylic acid
03/22/2012US20120067715 Method for purifying carboxylic acids containing halogen compounds
03/22/2012DE102011077232A1 Verfahren zur katalytischen Erzeugung von Ameisensäure Process for the catalytic production of formic acid
03/22/2012CA2809215A1 New process
03/21/2012EP2431351A1 Method for producing (meth)acrylic acid
03/21/2012EP2431350A1 Method for producing (meth)acrylic acid and crystallization system
03/21/2012EP2431349A1 Method for producing (meth)acrylic acid
03/21/2012EP2429981A2 Method for producing oxide-based metal-organic framework materials by means of inverse methods
03/21/2012EP2429980A2 Carbonylation process
03/21/2012EP1412077B8 Flow reactors for chemical conversions with hetergeneouos catalysts
03/21/2012CN102381986A Preparation methods of S-(+)-ibuprofen tromethamine salt and oral solution thereof
03/21/2012CN102381964A Integral process for washing and filtering terephthalic acid and water recovery
03/21/2012CN102381963A Method and device for preparing benzoic acid by utilizing waste PX (paraxylene) oxidation residues
03/21/2012CN102381962A Extraction method of effective components of Chinese angelica
03/21/2012CN102381961A 3-phenyl glutaric acid compound, preparation method and purpose thereof
03/21/2012CN102381960A Method for extracting ferulic acid, p-coumaric acid and pentosan from corn husks
03/21/2012CN102381959A Method for preparing potassium sorbate with membrane chemical reactor
03/21/2012CN102381958A Ammonia circulative preparation method for cobaltous oxalate
03/21/2012CN102381957A Method for preparing acetic acid ruthenium
03/21/2012CN102381956A Method for preparation of acetic anhydride and acetic acid by means of carbonyl synthesis of methyl acetate and methanol azeotrope and method for separation
03/21/2012CN102381955A Method for recycling acetic acid from industrial wastewater
03/21/2012CN102381953A Method for extracting and purifying fluorenone from industrial wastes generated in production of benzoic acid
03/21/2012CN102381931A Method for oxidizing cyclohexanone
03/21/2012CN102381916A Synthesis method of beta, beta-diaryl alkene
03/21/2012CN102381795A Separation and extraction method for caprolactam, cyclohexane carboxylic acid, cyclohexane carboxylic sulfonic acid and organic oil in waste liquid generated in caprolactam production by toluene method
03/21/2012CN102381782A Recovery treatment method for wastewater generated in production of carboxymethyl cellulose
03/21/2012CN101972320B Method for extracting ferulic acid, chlorogenic acid and other aicd components from coptis chinensis franch
03/21/2012CN101495222B Process for the long-term operation of a continuously operated heterogeneously catalyzed partial dehydrogenation of a hydrocarbon to be dehydrogenated
03/21/2012CN101362688B 2,2'-bialkoxyl-4,4'-biphenyl dicarboxylic acid and synthesis method thereof
03/21/2012CN101258122B Neutralization process
03/21/2012CN101142164B Method for producing optically active 3-phenylpropionic acid derivatives and follow-on products of the latter
03/21/2012CN101138723B Activated mixed metal oxide oxidation catalysts
03/20/2012US8138371 Production of formic acid
03/20/2012CA2641976C Process for the preparation of cyclopropyl carboxylic acid esters and derivatives
03/15/2012WO2012033100A1 Acrylate production process and acrylic acid recovery method
03/15/2012WO2012012047A3 Process for producing terephthalic acid
03/15/2012WO2011161255A3 Processes for the resolution of nitrogen substituted (s) - 5 -alkoxy- 2 -aminotetralin derivatives
03/15/2012US20120065427 Process For Producing Catalyst For Methacrylic Acid Production And Process For Producing Methacrylic Acid
03/15/2012US20120065415 Process for separating solute material from an algal cell feed sream
03/15/2012US20120065299 Reactive graphtic carbon nanofiber reinforced polymeric composites
03/15/2012US20120065260 Novel compounds
03/15/2012US20120065179 Prodrug comprising beta-keto carboxylic acid, beta-keto carboxylic acid salt or beta-keto carboxylic acid ester for drug delivery
03/15/2012CA2810419A1 Biomass extraction process
03/14/2012EP2427563A2 Process for the fermentative preparation of (3-hydroxy)propionaldehyde in the presence of semicarbazide or carbohydrazide
03/14/2012EP2427421A1 Method and system for purifying monomers
03/14/2012EP2427417A1 Salts of 3-pentylphenylacetic acid and pharmaceutical uses thereof
03/14/2012CN102372691A Preparation process for (R)-3-benzene dicarboximide piperidine tartrate
03/14/2012CN102372627A Preparation method of cajanin and substance with similar structure
03/14/2012CN102372626A Preparation method of phthalic acid
03/14/2012CN102372625A Preparation method of soluble strontium citrate
03/14/2012CN102372624A Method for extracting sodium gulonate from sodium gulonate fermented liquid
03/14/2012CN102372623A Croceic acid diammonium salt
03/14/2012CN102372622A New technology for extracting adipic acid from diacid mixed solution
03/14/2012CN102372621A Preparation method for one-step synthesis of barium stearate by stearic acid
03/14/2012CN102372620A Preparation method of magnesium stearate with improved specific volume and whiteness
03/14/2012CN102372619A Process for producing acetate by using dilute acetic acid
03/14/2012CN102372531A Preparation method for aromatic carboxylic acid compounds
03/14/2012CN102371192A Preparation method of deiodination agent
03/14/2012CN102371163A Unsaturated aldehyde catalyst prepared by oxidation method and preparation method thereof
03/14/2012CN102371159A Catalyst for oxidizing isobutene of tert-butyl alcohol to prepare methy acraldehyde and preparation method thereof
03/14/2012CN102371158A Catalyst of acrylic acid prepared by oxidation process and its preparation method
03/14/2012CN102371157A Methyl Acraldehyde, Catalyst Used For Preparing Methyl Acraldehyde And Preparation Method Thereof
03/14/2012CN102371147A Preparation method of iodine removing agent
03/14/2012CN101428218B P-benzene dicarboxylic acid hydrogen refining catalyst and preparation method thereof
03/13/2012CA2696806C Use of 2-chloro-3-(phenylmethoxy) propionic acid potassium salt
03/13/2012CA2502358C Methods for purifying radiolabelled compounds
03/08/2012WO2012031176A1 Elimination of organohalo and oxirane species in carboxylic acid ester streams
03/08/2012WO2012028989A1 Process for producing carbon-comprising composite
03/08/2012WO2011146242A3 Production of aromatic carboxylic acids
03/08/2012US20120059180 Extraction and Winterization of Lipids from Oilseed and Microbial Sources
03/08/2012US20120059073 Process for the treatment of an ion exchange resin
03/08/2012US20120058921 Process for producing a purified synthesis gas stream
03/08/2012CA2845697A1 Fermentation route for the production of levulinic acid, levulinate esters, valerolactone, and derivatives thereof
03/08/2012CA2809928A1 Process for producing carbon-comprising composite
03/07/2012EP2426102A1 Process for producing phthalic acid compound including chlorinated aromatic ring
03/07/2012EP1732871B1 Process for hydroformylation of propylene
03/07/2012CN102367226A Preparation method for 8,15-isopimaric acid
03/07/2012CN102367225A Preparation method of naproxen
03/07/2012CN102367224A Method for preparing calcium fumarate or zinc fumarate
03/07/2012CN102366724A Catalyst system for synthesizing acetic acid through carbonylation of methanol and application
03/07/2012CN101010134B Optimized liquid-phase oxidation
03/06/2012US8129552 for transporting drugs or as gene transport vehicles, as solubilizers for drugs of low solubility in water, and themselves as active ingredients against diseases such as cancer or leishmaniosis; (Z)-6-octadecenyl-1-phospho-N,N,N-trimethylpropylammonium
03/06/2012US8129550 Oxidation of 5-(hydroxymethyl) furfural to 2,5 diformylfuran and subsequent decarbonylation to unsubstituted furan
03/06/2012US8128787 Dehydration solvents such as ethanol; high pressure distillation; then separation of overhead vapors by membrane separation
03/06/2012CA2485532C Process for the preparation of 2-methyl piperazine derivatives
03/01/2012WO2012027428A1 Removal of bound water from bio-oil
03/01/2012US20120053366 Process for Producing Carboxylic Acid Anhydrides
03/01/2012US20120053365 Method of producing acid halide and acid halide
03/01/2012US20120053364 Methods for dynamic filtration of pharmaceutical products
03/01/2012US20120053360 Carbonylation process
03/01/2012US20120053354 Method for Producing Oxygen-Containing Compound
02/2012
02/29/2012EP2423318A1 Methods for producing succinic acid
02/29/2012EP2423189A1 Method of producing acid halide and acid halide
02/29/2012CN1915957B Process for producing (meth)acrylic acid with treatment of the high-boiling fraction by crystallisation
02/29/2012CN102363596A Method for preparing 2-methoxy-5-chlorobenzoic acid
02/29/2012CN102363595A Method for removing catalyst surface impurities in production of sodium gluconate
02/29/2012CN102363594A Method for separating and purifying succinic acid from fermentation broth
02/29/2012CN102363593A Technology for coproducing mercaptoacetic acid and dichloroacetic acid by utilization of chloroacetic acid mother liquor and device thereof
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