Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
07/2012
07/25/2012CN102603518A Resolution method for 2-chloromandelic acid by crystalizing diastereomeric salts
07/25/2012CN102603517A Synthesis process of 10-HDA (10-hydroxy-2-decenoic acid)
07/25/2012CN102603516A D,L-alpha-ketoisovaline calcium dihydrate crystals and preparation method thereof
07/25/2012CN102603515A Method for preparing gluconic acid by direct oxidization of cellulose
07/25/2012CN102603514A Process for preparing sodium gluconate from crop straws
07/25/2012CN102603513A Preparation method of ferrous lactate powder
07/25/2012CN102603512A Preparation method of lactic acid
07/25/2012CN102603511A Method for producing anhydrous sodium succinate
07/25/2012CN102603510A Sodium valproate crystal form as well as preparation method and application thereof
07/25/2012CN102603033A Processing method of citric acid neutralized waste water
07/25/2012CN102600770A Optimized production of aromatic dicarboxylic acids
07/25/2012CN102600640A Method for separating sugar, acid and salt of lignocellulose hydrolysate
07/25/2012CN102173986B 2,4-D pesticide production waste water pretreatment method
07/25/2012CN102161538B Method for pretreating 2-methyl-4-chlorophenoxy acetic acid pesticide production wastewater
07/25/2012CN102115420B Method for preparing pentaerythritol and co-producing potassium formate and sodium phosphate
07/25/2012CN102115394B Method for preparing pentaerythritol with co-production of strontium formate and sodium chloride
07/25/2012CN102079853B Polylactic acid nucleating agent prepared by using carbon dioxide and application thereof
07/25/2012CN101830930B Mesoporous material functionalized by chrial binaphthyl diphenyl phosphate and preparation and application thereof
07/25/2012CN101830470B Method for high-value utilizing ash and slag substances by organic carboxylic acid conversion and separation method
07/25/2012CN101811041B Method for preparing crude terephthalic acid refined catalyst
07/25/2012CN101693659B Cyclopentenyl fatty acid, preparation method and application thereof
07/25/2012CN101684070B 4-Method for synthesizing 4-Methyloctanoic Acid
07/25/2012CN101580464B Method for producing battery-grade ferrous oxalate by using ferrous sulfate as titanium pigment byproduct
07/25/2012CN101570477B Method for synthesizing 3,3-dimethylbutyrylchloride
07/25/2012CN101565368B Method for preparing 2,2'-biphenyldicarboxylic acid
07/25/2012CN101525289B Method for separating purified ginkgoic acid with anion exchanger
07/25/2012CN101519359B Method for recovering polyimide through hydrolysis
07/25/2012CN101462947B Preparation of (R) -4-phenyl-2-hydroxybutyrate
07/25/2012CN101448808B Method for preventing fumaric acid deposits in the production of maleic acid anhydride
07/25/2012CN101258123B Neutralization process
07/25/2012CN101137606B Process for oxidation of organic compounds
07/24/2012US8227638 Process for preparing creatine, creatine monohydrate or guanidinoacetic acid
07/24/2012US8227369 Layered composition and processes for preparing and using the composition
07/24/2012US8226918 Catalyst systems and uses thereof
07/24/2012CA2469242C (per) fluoropolyether carboxylic acids and use thereof for the oleo-repellent paper sizing
07/19/2012WO2012095345A1 Co2 hydrogenation method for producing formic acid
07/19/2012WO2012071150A3 Production of aromatic carboxylic acids
07/19/2012WO2012070896A3 Synthetic method of enantiomerically pure 2,2'-dihydroxy-1,1'-binaphthyl-3-carboxylic acid
07/19/2012WO2012066296A3 Nitrous oxide-containing ionic liquids as chemical reagents
07/19/2012WO2012065115A3 Ketocarboxylic acids, ketocarboxylic esters, methods of manufacture and uses thereof
07/19/2012US20120184771 Method for producing unsaturated aldehyde and unsaturated carboxylic acid
07/19/2012US20120184770 Methods of preparing fluorinated carboxylic acids and their salts
07/19/2012US20120183770 Modified carbon nanotubes, methods for production thereof and products obtained therefrom
07/18/2012EP2476664A1 Zinc cluster
07/18/2012EP2475636A1 A process for preparing dexketoprofen trometamol form a and form b crystals
07/18/2012EP2475635A2 Process for the production of artemisinin intermediates
07/18/2012EP2265723B1 Methods for producing succinic acid
07/18/2012EP1827678B1 Method and apparatus for performing micro-scale chemical reactions
07/18/2012EP1669065B1 Drug containing (2r)-2-propyloctanoic acid as the active ingredient
07/18/2012CN1948260B Technology of producing sodium oxalate by sodium formate spray dehydrogenation and its equipment
07/18/2012CN102597074A Nanoscale beta-nucleating agent for polypropylene
07/18/2012CN102596884A Process for the synthesis of fluorinated ethers of aromatic acids
07/18/2012CN102596883A Method for synthesizing unsaturated carboxylic acid and/or derivative of same
07/18/2012CN102596882A Process for the synthesis of fluorinated ethers of aromatic acids
07/18/2012CN102596881A Process for the synthesis of fluorinated ethers of aromatic acids
07/18/2012CN102596880A Process for the synthesis of fluorinated ethers of aromatic acids
07/18/2012CN102596879A Process for the preparation of derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid
07/18/2012CN102596878A Process for preparing formic acid by reaction of carbon dioxide with hydrogen
07/18/2012CN102596385A Method for producing a catalyst arrangement for preparing phthalic anhydride
07/18/2012CN102585171A Ether chain substituted conjugate polycationic electrolyte material and application thereof
07/18/2012CN102584859A Lactic levorotatory ulifloxacin crystal, and preparation method and application thereof
07/18/2012CN102584858A Levolactate ulifloxacin crystal and preparation method and application thereof
07/18/2012CN102584679A Benzocarbazole acylamide compound and preparation method and application thereof
07/18/2012CN102584577A Postprocessing method for synthetic borneol
07/18/2012CN102584573A Synthesis method of methoxyfenozide key intermediate-substituted methyl benzoyl chloride
07/18/2012CN102584572A Production method of mixed fragrant dioctyl phthalate
07/18/2012CN102584571A Extraction process for shikimic acid in fermentation liquor
07/18/2012CN102584570A Alpha-ketone-benzol lactamine calcium- hydrate crystal and preparation method thereof
07/18/2012CN102584569A Method for preparing diphenolic acid in ionic liquid
07/18/2012CN102584568A Process for preparation of alpha-ketoglutaric acid
07/18/2012CN102584567A Efficient polylactic acid nucleating agent, and preparation method and application thereof
07/18/2012CN102584566A Method for preparing glycollic acid
07/18/2012CN102584565A Preparation method for 2,4,5-trifluoro benzene acetic acid
07/18/2012CN102584564A Preparation method of cinnamic acid
07/18/2012CN102584563A Preparation method of Alpha-linolenic acid
07/18/2012CN102584562A Preparation method of cobalt acetate solution
07/18/2012CN102584561A Method for recovering glutaric acid by-products produced in enzymic method prepared 7-aminocephalosporin acid process
07/18/2012CN102584527A Method for utilizing coal and salt comprehensively
07/18/2012CN102583853A Combined treatment method for two kinds of waste acid water generated in tetraacetylethylenediamine (TAED) production
07/18/2012CN102583813A Recovery method for terephthalic acid in alkali deweighting wastewater as well as production method and application of terephthalic acid metal salt whisker
07/18/2012CN102583540A Method for preparing chrome oxide black and co-producing ferrous oxalate by utilizing chrome-containing cast iron acid dissolution
07/18/2012CN102580781A Amorphous alloy catalyst and preparation method and application thereof
07/18/2012CN102240529B Synthesizing device and method for synthesizing formate by utilizing same
07/18/2012CN102039122B Palladium carbon catalyst for hydrofining crude terephthalic acid
07/18/2012CN101781293B Antibacterial compound, preparation method and application thereof
07/18/2012CN101745410B Method for recycling catalyst from waste water produced in purifying process of aromatic acids
07/18/2012CN101698859B Production method of n-hexadecyl dibasic acid
07/18/2012CN101652180B Method for feeding a longitudinal section of a contact pipe
07/18/2012CN101633614B Synthesis method of D-(+)-2-chloropropionyl chloride
07/18/2012CN101607885B Method for industrially producing cobaltous oxalate with low apparent density
07/18/2012CN101445443B Production method of edible acetic acid
07/18/2012CN101421039B Process for the preparation of carbonylation products
07/18/2012CN101148404B Method for producing (meth) acrylic acid
07/18/2012CN101012165B Process of preparing oxalic acid by calcium sulfate cycle method
07/17/2012US8222438 Process for the catalytic cleavage of vegetable oils
07/17/2012US8221734 Self-heating shaving compositions
07/12/2012WO2012094323A1 Iron coordination polymers for adsorption of arsenate and phosphate
07/12/2012US20120178965 Method for producing bioresourced acrylic acid from glycerol
07/12/2012US20120178964 Catalyst, Use Thereof and Process of Hydrogenating Aryl Aldehydes
07/12/2012US20120178963 Metal-catalysed carbonylation of unsaturated compounds
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