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)
11/2012
11/14/2012CN102781900A Purification of succinic acid from the fermentation broth containing ammonium succinate
11/14/2012CN102781899A Method of producing acrylic and methacrylic acid
11/14/2012CN102781896A Integrated process for producing alcohols from a mixed acid feed
11/14/2012CN102781580A Process for preparing catalyst used in production of unsaturated aldehyde and/or unsaturated carboxylic acid by dehydration reaction of glycerin, and catalyst obtained
11/14/2012CN102775297A Method for preparing 2-(4-methoxy phenoxy) propionic acids
11/14/2012CN102775296A Preparation method of 2,2-dimethylolbutanoicacid
11/14/2012CN102775295A Method for purifying acrylic acid
11/14/2012CN102775294A Method for preparing acrylic acid through lactic acid dehydration by use of phosphate-pyrophosphate composite catalyst of alkaline-earth metal
11/14/2012CN102775293A Preparation process of stannous octanoate
11/14/2012CN102775292A Method for refining long chain dicarboxylic acid in n-alkane fermentation solution
11/14/2012CN102775272A Preparation method of succinic acid
11/14/2012CN102773097A Preparation of loaded bimetallic nano-catalyst
11/14/2012CN102140062B Method for preparing 2,5-dimethyl phenylacetic acid
11/14/2012CN102092875B Chemical waste water treatment method in the process of producing 2,6 acid
11/14/2012CN101687185B Process for the carbonylation of dimethyl ether
11/14/2012CN101654408B Anhydrous zinc tartrate ferroelectric function material and preparation method thereof
11/14/2012CN101575282B Method for using molecular distillation to extract nervonic acid from acer truncatum buge oil
11/14/2012CN101555200B Process for manufacturing reduced water content (meth)acrylic acid
11/14/2012CN101544557B Coupling rectification system and application thereof in purifying EPA, DPA, and DHA in seal oil
11/14/2012CN101360553B Oxidation system employing internal structure for enhanced hydrodynamics
11/14/2012CN101189207B A process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone
11/14/2012CN101010282B Crude terephthalic acid composition and production process thereof
11/13/2012US8309762 Method for producing carboxylic acid
11/13/2012US8309760 Process for purification of aryl carboxylic acids
11/13/2012US8309759 Preparing ether carboxylates
11/13/2012US8308913 Apparatus for recovering acrylic acid
11/08/2012WO2012151377A1 Removal of aromatics from carbonylation process
11/08/2012WO2012151375A1 Removal of amine compounds from carbonylation process stream containing corrosion metal contaminants
11/08/2012WO2012151106A2 Interconversion between isomeric p-menthane-3-carboxylic acids
11/08/2012US20120283472 Removal of Aromatics from Carbonylation Process
11/08/2012US20120283471 Removal of Amine Compounds from Carbonylation Process Stream Containing Corrosion Metal Contaminants
11/08/2012US20120283470 Process to prepare treprostinil, the active ingredient in remodulin®
11/08/2012US20120283469 Interconversion between isomeric p-menthane-3-carboxylic acids
11/08/2012US20120283383 Method for Manufacturing Fluoropolymers
11/08/2012US20120282656 Multistage fractionation process for recalcitrant c5 oligosaccharides
11/08/2012US20120282655 Enhanced soluble c5 saccharide yields
11/08/2012US20120282468 Alkali metal cinnamate powder and method for preparation
11/07/2012EP2520564A1 Method for the synthesis of diacids from natural acids
11/07/2012EP2520563A1 Method for producing polyoxyalkylene alkyl ether carboxylic acid and salt thereof
11/07/2012EP2519492A1 Process and rotary pressure filtration apparatus for slurry separation of aromatic carboxylic acids
11/07/2012EP2519491A2 Purification of succinic acid from the fermentation broth containing ammonium succinate
11/07/2012EP2519490A1 Continuous process for the production of derivatives of saturated carboxylic acids
11/07/2012EP2519489A1 Continuous process of oxidative cleavage of vegetable oils
11/07/2012EP2519332A2 Simulated moving bed chromatographic separation process
11/07/2012CN102770403A Producing acetaldehyde and/or acetic acid from bioethanol
11/07/2012CN102770207A Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in terephthalic acid production process
11/07/2012CN102766150A Polymerizable salicylic aldehyde complex containing quaternary ammonium salt and preparation method thereof
11/07/2012CN102766149A Preparation method of vinorelbine tartrate
11/07/2012CN102766098A Process and intermediates for preparing integrase inhibitors
11/07/2012CN102766055A Hydrogenation phenylamine production method by nitrobenzene hydrogen transfer with ruthenium acetylacetonate as catalyst
11/07/2012CN102766044A Reaction and rectification system and method for recycling acetic acid from diluted acetic acid solution
11/07/2012CN102766043A Preparation method for 3- (2-chloro-4- (trifluoromethyl) phenoxy) -benzoic acid
11/07/2012CN102766042A Method for preparing high purity gentianic acid
11/07/2012CN102766041A Method for preparing intermediate of salicylic aldehyde derivatives
11/07/2012CN102766040A Novel synthetic method of key intermediate2-anisacetone of loxoprofen
11/07/2012CN102766039A Preparation method of binary zinc carboxylate catalyst
11/07/2012CN102766038A Method for oxidizing cyclohexene
11/07/2012CN102766037A Method for preparing adipic acid from cyclohexene
11/07/2012CN102766036A Method for recycling water from separation system for acetic acid and water
11/07/2012CN102766020A Method for producing ethanol, acetone and butanol by permeabilization, vaporization, coupling and rectification of ABE (Acetone, Butanol and Ethanol) fermentation liquor
11/07/2012CN102764572A Novel method for absorbing tail gas from trichloro-acetic chloride production through chlorination process
11/07/2012CN102161501B Method for preparing zinc oxalate with pearl luster and zinc oxide powder with pearl luster
11/07/2012CN101941903B Method for producing 2-methyl-4-MCPA
11/07/2012CN101921188B Method for producing 2,4-dichlorphenoxyacetic acid
11/07/2012CN101903100B Carbonylation process
11/07/2012CN101717332B Method for refining electron-level high-purity DL-malic acid
11/07/2012CN101462946B Method for preparing ethanol acid by catalytic oxidation of biformyl
11/07/2012CN101213165B Process for the preparation of iridium acetate
11/06/2012CA2525898C Apparatus for and method of producing aromatic carboxylic acids
11/01/2012WO2012148837A1 Catalyst for producing acrylic acids and acrylates
11/01/2012WO2012148554A1 Acetic acid production process
11/01/2012WO2012148462A1 Integrated process for producing acetic acid and alcohol
11/01/2012WO2012148461A1 Removing water from an acetic acid waste stream in the production of alcohols
11/01/2012WO2012148459A1 Process for removing water from ethanol mixtures
11/01/2012WO2012148457A1 Process for reducing the concentration of acetic acid in a crude alcohol product
11/01/2012WO2012147831A1 Method for manufacturing phosphonocrotonic acid derivative
11/01/2012WO2012146902A1 Process for the production of anhydrides
11/01/2012WO2012146604A1 Process for the production of 4-chloroacetoacetyl chloride, 4-chloroacetoacetic acid esters, amides and imides
11/01/2012WO2012068429A3 Production and purification of acetic acid with optionally generation of steam from heat of the reaction
11/01/2012US20120277467 Method for Synthesizing Unsaturated Carboxylic Acid and/or Derivative of Same
11/01/2012US20120277466 Catalyst for producing acrylic acids and acrylates
11/01/2012US20120277465 Reduction of carbon dioxide to carboxylic acids, glycols, and carboxylates
11/01/2012US20120277464 Method and device for producing alkene derivatives
11/01/2012US20120277437 Kinetic resolution
11/01/2012CA2827512A1 Acetic acid production process
11/01/2012CA2794681A1 Process for the production of anhydrides
10/2012
10/31/2012EP2518043A1 Process for the production of 4-chloroacetyl chloride, 4-chloroacetic acid esters, amides and imides
10/31/2012EP2516377A2 Method of producing acrylic and methacrylic acid
10/31/2012EP2516376A1 Method for hydrogenating 1,2-unsaturated carbonylic compounds
10/31/2012CN202509007U Methacrylic acid heavy component recovery device
10/31/2012CN102762536A Metal complex, and adsorbent, occlusion material and separator material made from same
10/31/2012CN102762529A Method for the production of ether carboxylates
10/31/2012CN102762525A Method for producing semiconductor gas
10/31/2012CN102762304A Treatment of waste water containing fluorinated acids or the salts thereof
10/31/2012CN102762303A Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in aromatic carboxylic acid production process
10/31/2012CN102757433A Synthesis of lactic bicyclic guanidine and technique for catalyzing ring-opening polymerization synthesis of degradable polymers by using lactic bicyclic guanidine
10/31/2012CN102757432A Synthesis of glycollic bicyclic guanidine and technique for catalyzing ring-opening polymerization synthesis of degradable polymers by using glycollic bicyclic guanidine
10/31/2012CN102757428A Preparation method of enoxacin gluconate
10/31/2012CN102757414A Preparation method of eseitalopram oxalate
10/31/2012CN102757353A Organic inorganic hybrid room-temperature metallic molecular magnet and preparation method thereof
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