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)
04/2014
04/02/2014CN103702966A Method for producing a purified naphthalene dicarboxylic acid
04/02/2014CN103702965A Aqueous solution comprising acrylic acid and the conjugate base thereof
04/02/2014CN103702964A Hydro-fluorocompounds
04/02/2014CN103702963A Improved process of dehydration reactions
04/02/2014CN103695494A Method for integral preparation of products such as crocetin, genipin, gardenia blue and the like
04/02/2014CN103694231A Synthesis and preparation method of lamivudine intermediate HDMS
04/02/2014CN103694114A Synthetic method of rhein
04/02/2014CN103694113A Method for preparing paraphthaloyl chloride
04/02/2014CN103694112A Method and system for purifying terephthalic acid
04/02/2014CN103694111A Method for preparing 4-(4-fluorobenzoyl) butyric acid
04/02/2014CN103694110A Chiral resolution method of racemic alpha-cyclopentyl mandelic acid
04/02/2014CN103694109A Method for continuous catalytic production of sodium gluconate by using immobilization catalyst
04/02/2014CN103694108A Equipment and method for continuously producing liquid lactic acid by using crystal lactic acid
04/02/2014CN103694107A Preparation method of feed additive calcium beta-hydroxy-beta-methylbutyrate
04/02/2014CN103694106A Method for extracting and purifying dihydroartemisinic acid from artemisinin wax oil
04/02/2014CN103694105A Method for purifying sorbic acid
04/02/2014CN103694104A Method for synthesizing glutaric acid from cyclopentanol
04/02/2014CN103694103A Method for synthesizing sodium tetrafluopropanate
04/02/2014CN103694102A Method for preparing sodium diacetate
04/02/2014CN103694101A Comprehensive utilization method of sodium hydrosulfite waste residue
04/02/2014CN103694100A Production method for barium stearate
04/02/2014CN103693787A Purification treatment technology of sodium citrate crystalline mother solution
04/02/2014CN103693772A Method for resource comprehensive utilization of PTA refining waste water
04/02/2014CN103691457A Catalyst for preparing acrylic acid through propane selective oxidation and preparation method of catalyst
04/02/2014CN102731295B Preparation method of DL-naproxen
04/02/2014CN102731288B Method for separating high-purity succinic acid from fermentation broth
04/02/2014CN102716768B 2-aryl-zinc-propionate catalyst and preparation method and application thereof
04/02/2014CN102702081B Hydroxy pyridine divalent ionic liquid and preparation process and application thereof
04/02/2014CN102659569B Royal jelly acid calcium, and health product for antiatherosclerosis and antiosteoporosis prepared from royal jelly acid calcium and vitamin K2
04/02/2014CN102653508B Method for producing acid by hydrothermally degrading waste liquid crystal display polaroids
04/02/2014CN102633583B Method of using oligonucleotide for chiral drug resolution
04/02/2014CN102626646B Device and method for recycling cobalt-manganese catalyst in oxidation section
04/02/2014CN102516002B Preparation technology of optically pure alpha-hydroxy acid and derivatives of the optically pure alpha-hydroxy acid
04/02/2014CN102452925B Method for separating acetic acid from water
04/02/2014CN102408322B Method for recycling sodium caprylate
04/02/2014CN102363594B Method for separating and purifying succinic acid from fermentation broth
04/02/2014CN102351933B Method for preparing hydroxycobalamin salt
04/02/2014CN102186961B Solubilizer for metal ions
04/02/2014CN102180788B Method for producing 2,4-dichlorphenoxyacetic acid
04/02/2014CN102153517B Diaryl pyrimidone hydrazone derivatives and preparation method and application of diaryl pyrimidone hydrazone derivatives
04/02/2014CN102001931B Method for preparing adipate
04/02/2014CN101579630B Method for producing catalyst for use in production of unsaturated aldehyde and/or unsaturated carboxylic acid, and method for producing unsaturated aldehyde and/or unsaturated carboxylic acid
04/01/2014US8686186 Methods, processes, and systems for treating and purifying crude terephthalic acid and associated process streams
04/01/2014US8686183 Metal-catalysed carbonylation of unsaturated compounds
04/01/2014US8686168 Process for the hydrogenation of fatty acids using a promoted supported nickel catalyst
03/2014
03/27/2014WO2014046829A2 Shell and tube oxidation reactor with improved resistance to fouling
03/27/2014WO2014046797A2 Electrochemical co-production of chemicals utilizing a halide salt
03/27/2014US20140088323 Method for manufacturing polyoxyethylene alkyl ether acetic acid
03/27/2014US20140087978 Methods of converting an inactive biocide into an active biocide using a chemical reaction
03/27/2014US20140087039 Method for producing sorbic anhydride and also use thereof as a preservative in foods
03/26/2014EP2709980A1 Method for recovering acetic acid
03/26/2014EP2709979A1 An improved process for catalytic dehydration of lactic acid to acrylic acid
03/26/2014EP2709978A1 Processes for producing butanediol (bdo), diaminobutane (dab), from fermentation broths containing ammonium succinate
03/26/2014CN103687840A Process for the purification of a liquid feed comprising mca and dca
03/26/2014CN103666641A High base number sodium napthionate clearing agent, and preparation method and lubricating oil composition thereof
03/26/2014CN103665668A Magnesium-aluminium-zinc modified stabilizer for PVC (Poly Vinyl Chloride) pipe
03/26/2014CN103664970A Salt of dehydroxyl narciprimine derivate
03/26/2014CN103664969A Narciprimine derivative salt
03/26/2014CN103664968A Salts of lycoris radiata lactone derivatives
03/26/2014CN103664901A Novel preparation method for rizatriptan benzoate
03/26/2014CN103664880A Novel anticoagulation medicine and preparation method and application thereof
03/26/2014CN103664872A Salt of pyrryl isoquinoline ketone derivative
03/26/2014CN103664871A Isoquinoline derivative salt
03/26/2014CN103664738A Crystalline polymorphic substance of carboxamide compound L-malate
03/26/2014CN103664703A Synthesis process of rivastigmine tartrate
03/26/2014CN103664697A Chemical method used for preparing aromatic cyclopropanecarbonitrile and cyclopropylamine
03/26/2014CN103664677A Asymmetric synthesis method of (R,R)-formoterol tartrate
03/26/2014CN103664657A New preparation method for bisoprolol fumarate
03/26/2014CN103664585A Preparation method of trifluoromethyl carbonyl compound
03/26/2014CN103664582A Solvent replacement method of coarse 2,6-naphthalic acid oxidation slurry
03/26/2014CN103664581A Preparation method of trans,trans-4,4'-dicyclohexyl phthalate
03/26/2014CN103664580A Preparation method of ferulic acid from corn bran
03/26/2014CN103664579A Purification treatment technology of citric acid crystallization mother liquor and treatment device
03/26/2014CN103664578A Tartrate complex salt, and preparation and application thereof
03/26/2014CN103664577A Preparation method of cinacalcet intermediate
03/26/2014CN103664576A Process for producing (meth) acrylic acid
03/26/2014CN103664575A Method for producing oxalic acid
03/26/2014CN103664574A Method of recycling divalproex sodium crystallization mother liquor
03/26/2014CN103664573A Method for preparing sodium acetate from acetic acid waste gas through alkaline absorption
03/26/2014CN103664572A Process for preparing acetic acid from ethane
03/26/2014CN103664571A Method for synthesizing calcium formate by using industrial emission carbon monoxide exhaust gas through batch reaction
03/26/2014CN103664570A Recycling method of divalproex sodium crystallization mother liquor
03/26/2014CN103664569A Method for cleanly producing citric acid by coupling calcium salt method with precipitation displacement
03/26/2014CN103664513A Method for hydrolyzing aromatic polyester composite material and recovering monomer
03/26/2014CN103657689A Solid acid catalyst, preparation method thereof, and applications of solid acid catalyst in catalytic conversion of biomass into lactic acid
03/26/2014CN102746595B Method for preparing modified liquid metal soap thermal stabilizer through potassium ion characteristic doping
03/26/2014CN102675081B Preparation method of high-purity acetic acid
03/26/2014CN102627548B Method for recovering acetone and acetic acid from waste solvent produced in isopropylidene ester production
03/26/2014CN102617340B Preparation method of 3-cyclopropylmethoxy-4-difluoromethoxybenzoic acid
03/26/2014CN102531883B Method for continuously producing glycolic acid
03/26/2014CN102491892B Method for improving purification of aliphatic acids in petroleum geology sample
03/26/2014CN102452918B Method for preparing corresponding dicarboxylic acid by catalytic oxidation of hydroxy acid
03/26/2014CN102421741B Methods, processes, and systems for treating and purifying crude terephthalic acid and associated process streams
03/26/2014CN102336729B Preparation method for escitalopram oxalate
03/26/2014CN102336658B Production method of 3,5-dimethylbenzoic acid
03/26/2014CN102249892B Method for preparing lactic acid by catalytic oxidation of 1,2-propylene glycol
03/26/2014CN101560148B Method for preparing glyoxalic acid by oxidizing glyoxal by chlorine and chlorate
03/25/2014US8680331 Process for production of (meth)acrylic acid
03/25/2014US8680330 Process for producing (meth) acrylic acid
03/25/2014US8680327 Methods for manufacturing tetranor-prostaglandin D, J, E, A and F metabolites
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