| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 01/31/2013 | US20130030075 Polymers made of renewable resources |
| 01/31/2013 | CA2842581A1 Method for producing organic acid |
| 01/31/2013 | CA2838285A1 Process for preparing a turbine oil comprising an ester component |
| 01/30/2013 | EP2551256A1 Method for producing succinic acid |
| 01/30/2013 | CN202700501U Stirring-free oxidating and deep-oxidating reaction system applicable to KPTA (Kunlun pure terephthalic acid) production |
| 01/30/2013 | CN202700338U Device for producing crylic acid through calcium carbide tail gas |
| 01/30/2013 | CN202700123U Rectification device for producing medical glacial acetic acid |
| 01/30/2013 | CN102906233A Process for selective oxidation of carbon monoxide |
| 01/30/2013 | CN102898433A Tetrandrine gallate and drug composition, preparation method and applications thereof |
| 01/30/2013 | CN102898333A Preparation method of rivastigmine tartrate |
| 01/30/2013 | CN102898301A Preparation method of 2-bromine-3-fluorobenzoic acid |
| 01/30/2013 | CN102898300A C21 dibasic acid rare earth salt, preparation method and applications thereof |
| 01/30/2013 | CN102898299A Method for synthesizing aluminum citrate cross-linking agent in low carbon solvent |
| 01/30/2013 | CN102898298A Production process for separating high purity alpha-linolenic acid from linseed |
| 01/30/2013 | CN102898297A Processing method of metronidazole industrial waste mixed salt |
| 01/30/2013 | CN102898296A Separation and recovery technology of monoacids in cyclohexanone by-products |
| 01/30/2013 | CN101857544B Synthesis method of herbicide 2, 4-dichlorphenoxyacetic acid |
| 01/30/2013 | CN101851157B Method for preparing and purifying hydroxyacetic acid by using hydroxyacetonitrile as raw material |
| 01/30/2013 | CN101781198B Technology for recovering mother solution of gallic acid |
| 01/30/2013 | CN101704741B Process for producing isophthalic acid |
| 01/30/2013 | CN101704737B Method for separating gulonic acid from gulonic acid crystallization mother liquor by adopting ion exchange and bipolar electrodialysis membrane stack |
| 01/30/2013 | CN101698639B Method for recycling sodium formate products from coarse sodium formate of byproduct of polyhydric alcohol |
| 01/30/2013 | CN101613271B 3-alkoxyl-6-carboxyl rhein or officinal salt thereof and preparation method and application thereof |
| 01/30/2013 | CN101432257B Process for gas phase oxidation with the use of a moderator layer |
| 01/29/2013 | US8362299 Method for producing and purifying aqueous phases |
| 01/29/2013 | US8362296 Process for preparing 4-pentenoic acid |
| 01/29/2013 | US8362176 Method of making triglyceride macromonomers |
| 01/29/2013 | CA2566795C Process for the removal of catalytic metals and promoter metals from carbonylation process streams |
| 01/29/2013 | CA2555374C A catalyst system |
| 01/24/2013 | WO2013011226A1 Process for synthesizing omega-functionalized acids from fatty acids or fatty esters |
| 01/24/2013 | WO2013010811A1 Process for the oxidation of sorbose |
| 01/24/2013 | WO2012103334A3 Process for cleaning an apparatus, and cleaning compositions |
| 01/24/2013 | US20130023696 Process for producing sulfur-containing amino acids |
| 01/24/2013 | US20130023599 Polyurethane foams made with alkoxylated vegetable oil hydroxylate |
| 01/24/2013 | CA2841161A1 Process for synthesizing omega-functionalized acids from fatty acids or fatty esters |
| 01/23/2013 | EP2547670A1 Method for the catalytic gas phase oxidation of hydrocarbons and catalysis reaction device |
| 01/23/2013 | EP2547645A1 Processes and intermediates for preparing a macrocyclic protease inhibitor of hcv |
| 01/23/2013 | EP2547644A2 Method for recycling the materials of aqueous mixtures comprising formic acid, formaldehyde and methanol |
| 01/23/2013 | EP2547643A1 Method for manufacturing polymer-grade bio-based acrylic acid from glycerol |
| 01/23/2013 | EP2547444A1 Catalyst for gas-phase oxidations on the basis of sulfur- and calcium-poor titanium dioxide |
| 01/23/2013 | CN202688236U Device for preparing adipic acid through reaction/concentration coupling |
| 01/23/2013 | CN202688232U Cyclohexanol, cyclohexanone and hexanedioic acid cosynthesis device in microchannel |
| 01/23/2013 | CN102892742A Purification of carboxylic acids by catalytic hydrogenation |
| 01/23/2013 | CN102892741A Process for preparing dicarboxylic acids |
| 01/23/2013 | CN102892502A Mixed catalyst |
| 01/23/2013 | CN102888263A Preparation of nanoscale high-alkalinity calcium alkyl salicylate additive |
| 01/23/2013 | CN102887829A Method for preparing fingolimod mucate and crystals thereof and application of fingolimod mucate and crystals thereof |
| 01/23/2013 | CN102887824A Method for preparing high-purity calcium gluconate by taking oyster shells as raw materials |
| 01/23/2013 | CN102887823A Method for preparing calcium lactate by eggshell vacuum neutralization |
| 01/23/2013 | CN102887822A Method for removing mycelia from itaconic acid fermentation liquid |
| 01/23/2013 | CN102887821A Method for extracting DHA (docosahexaenoic acid) through extraction and separation of marine microalgae fermentation liquid |
| 01/23/2013 | CN102887820A Process for producing acrylic acid |
| 01/23/2013 | CN102247841B Method for recovering catalyst rhodium from industrial waste liquid of carbonyl synthesis of acetic anhydride |
| 01/23/2013 | CN101870644B Device for removing acetone in carbonyl synthesis process of acetic anhydride |
| 01/23/2013 | CN101675022B Method for the recovery of maleic anhydride by distillation |
| 01/23/2013 | CN101618369B Hematite low temperature flotation agent and preparation method thereof |
| 01/23/2013 | CN101565393B 3-(substituted bisulfonyl fluromethane)-1-propylene compound, synthetic method and applications thereof |
| 01/23/2013 | CN101466470B Process for production of supported catalyst for acetic acid production |
| 01/22/2013 | US8357643 Lubricants derived from plant and animal oils and fats |
| 01/22/2013 | CA2560648C 1,1'-(1,2-ethynediyl)bis-benzene derivatives as ptp 1-b inhibitors |
| 01/17/2013 | WO2013008637A1 Cyclohexanol, method for producing cyclohexanol, and method for producing adipic acid |
| 01/17/2013 | WO2013007845A1 Method for extraction of triterpenic acids and hydroxytyrosol from olive-dressing solutions |
| 01/17/2013 | WO2013007712A1 Method for the preparation of cyclohexanecarboxylic acid |
| 01/17/2013 | WO2013007451A1 Method for producing an aqueous solution of salts |
| 01/17/2013 | US20130018206 Processes for producing succinic acid |
| 01/17/2013 | US20130018205 Process for preparing cycloheptene |
| 01/17/2013 | US20130018204 Edge-functionalized graphitic material through mechanochemical process and manufacturing method thereof |
| 01/17/2013 | US20130018201 New Process |
| 01/17/2013 | US20130018161 Catalyst for glycerin dehydration, and process for producing acrolein, process for producing acrylic acid, and process for producing hydrophilic resin each using the catalyst |
| 01/17/2013 | DE102012211788A1 Photocatalytic reduction of carbon dioxide to a 1C-compound or a mixture containing 1C-compound, in which at least one the carbon atom has an oxidation state of smaller than +4, under the action of sunlight and the use of a catalyst |
| 01/17/2013 | CA2839638A1 Method for the preparation of cyclohexanecarboxylic acid |
| 01/16/2013 | EP2546228A1 Method for removal of organic compounds from waste water streams in a process for production of (meth)acrylic acid |
| 01/16/2013 | EP2546227A1 Method for producing an aqueous solution of salts |
| 01/16/2013 | EP2544784A2 Process and device for distilling polymerization-prone compounds |
| 01/16/2013 | CN202666841U Recovery tower for benzoic acid in PTA (Pure Terephthalic Acid) residues |
| 01/16/2013 | CN1921941B Method for recovering molybdenum and method for preparing catalyst |
| 01/16/2013 | CN102884025A Production of ethylenically unsaturated carboxylic acid salts by the carboxylation of alkenes |
| 01/16/2013 | CN102875594A Continuous synthesis technique of hydroxyethylidenediphosphonic acid |
| 01/16/2013 | CN102875581A Preparation method and application of trifluoro-isopropenyl Grignard reagent |
| 01/16/2013 | CN102875499A Preparation method of 3-aminomethyl oxetane and its organic acid salts |
| 01/16/2013 | CN102875386A Preparation and synthesis method for ammonium salt |
| 01/16/2013 | CN102875369A Novel synthesis method for rhein |
| 01/16/2013 | CN102875368A Method for preparing gallic acid by hydrolyzing tannin-containing biomass with ultrasonic assistance |
| 01/16/2013 | CN102875367A Method for preparing gallic acid by means of microwave assisted tannin containing biomass hydrolysis |
| 01/16/2013 | CN102875366A Method for purifying crude terephthalic acid by adding inhibitor for high temperature reduction |
| 01/16/2013 | CN102875365A Method for extracting and preparing palustric acid |
| 01/16/2013 | CN102875364A Method for extracting and purifying polyalthialdoic acid |
| 01/16/2013 | CN102875363A Production technology of low-lead calcium citrate |
| 01/16/2013 | CN102875362A Preparation method of L-threonic acid or salts thereof |
| 01/16/2013 | CN102875361A Crystallization-free technique for preparing phenylacetic acid from impurity-containing phenylacetate solution |
| 01/16/2013 | CN102875360A Refining method of ibuprofen |
| 01/16/2013 | CN102875359A Method and device for extracting fumaric acid in fermentation broth in continuous counter current manner by means of amine extractants and application of fermentation technology combined with method |
| 01/16/2013 | CN102875358A Production technology for synthesizing potassium sorbate with rough sorbic acid serving as raw material |
| 01/16/2013 | CN102875357A Process for producing chloroactic acid by large chlorinated kettles and chlorinated kettles for reaction |
| 01/16/2013 | CN102875356A Calcium stearate production method |
| 01/16/2013 | CN102875355A Purification method of cobalt acetate |
| 01/16/2013 | CN102875354A Method for recovering acetic acid from crude terephthalic acid filter cake |
| 01/16/2013 | CN102875353A Method for extracting acetic acid from carbon-soot-containing acetic acid water solution through dust removal/side-stream discharge/azeotropic rectification |
| 01/16/2013 | CN102875352A Treatment process for wastewater of acetic acid |
| 01/16/2013 | CN102875277A Grignard reaction method for effectively recovering solution |