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)
12/2012
12/27/2012WO2012124956A3 Method and apparatus for continuously recovering (meth)acrylic acids
12/27/2012US20120330058 Process for manufacturing acrolein and/or acrylic acid from glycerol
12/27/2012US20120330056 Process for preparing chemical compounds of interest by nucleophilic aromatic substitution of aromatic carboxylic acid derivatives supporting at least one electro-attractive group
12/27/2012US20120330055 Process for the preparation of halogenated benzoic acid derivatives
12/27/2012US20120330049 Method for preparing acrolein from glycerol or glycerine
12/27/2012US20120330043 Simulated moving bed chromatographic separation process
12/27/2012US20120329981 Process to produce valerolactone from levulinic acid
12/27/2012DE102011077860A1 Verfahren zur Herstellung von 2-Ethylheptansäure A process for the preparation of 2-ethylheptanoic
12/26/2012EP2537585A1 Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in terephthalic acid production process
12/26/2012EP2537584A1 Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in aromatic carboxylic acid production process
12/26/2012EP2536684A1 Vapor compressions steam stripping
12/26/2012EP2536683A1 Method for preparing chemical compounds of interest by aromatic nucleophilic substitution
12/26/2012EP2536682A1 Method for preparing chemical compounds of interest by nucleophilic aromatic substitution of aromatic carboxylic acid derivatives supporting at least one electro-attractive group
12/26/2012EP2536681A1 Method for the production of ether carboxylates
12/26/2012EP2536680A1 Method for the production of ether carboxylates
12/26/2012EP2536503A1 Treatment of waste water containing fluorinated acids or the salts thereof
12/26/2012CN202626060U Erucic acid purification device
12/26/2012CN202626059U Novel specific-level zinc stearate production equipment
12/26/2012CN202621181U Oxidization device
12/26/2012CN202621098U Novel coulter type mixer for producing stearate
12/26/2012CN102844311A Process for controlling a gas phase oxidation reactor for preparation of phthalic anhydride
12/26/2012CN102844289A Process for preparing and purifying fatty acids
12/26/2012CN102839228A Degradation method of carbohydrates
12/26/2012CN102838988A Method for recovering yttrium and europium in waste fluorescent powder to prepare yttrium europium oxide
12/26/2012CN102838511A Sitagliptin intermediates as well as preparation method and application of intermediate
12/26/2012CN102838483A Synthesis method of dicamba
12/26/2012CN102838482A Preparation method of 3,6-dichlorosalicylic acid
12/26/2012CN102838481A Synthesis of 3,5-dichlorobenzoyl chloride
12/26/2012CN102838480A Preheating method for hydrogen gas in hydrogenation reactor
12/26/2012CN102838479A Novel method for extracting and separating shikimic acid in Illicium verum
12/26/2012CN102838478A Citric acid monohydrate crystal and production method thereof
12/26/2012CN102838477A Method for preparing high-purity calcium lactate by taking oyster shell as raw material
12/26/2012CN102838476A Preparation method for 60-65% sodium lactate solution
12/26/2012CN102838475A Continuous rectification method of separating nigre acidulated oil from nigre
12/26/2012CN102838474A Synthesis method for trans-3-hexenoic acid
12/26/2012CN102838473A High-purity acetyl chloride and preparation method thereof
12/26/2012CN102838472A Mother liquor emergency production process for crystallizing in chloroactic acid industrial production
12/26/2012CN102838471A Method for phase transfer catalyzing synthesizing of 2-ethyl caproic acid stannous
12/26/2012CN102838470A Energy saving method for acetic acid dehydration column
12/26/2012CN102836690A Decoloration tank used for long chain dicarboxylic acid
12/26/2012CN102836689A Activated carbon size mixing equipment for producing long-chain dicarboxylic acid
12/26/2012CN102836577A Layering device used for production of long chain dicarboxylic acid
12/26/2012CN102836567A Crystallization tank used for long-chain dibasic acid production
12/26/2012CN102835395A Preparation method of MCPA (2-methyl-4-chloro-phenoxyacetic acid) choline water aqua and raw drug
12/26/2012CN102010322B Method for preparing dimer acid with light color, low iron and low phosphorus
12/26/2012CN101928210B Method for preparing acyl chloride from silicon tetrachloride
12/26/2012CN101870645B Method for synthesizing copper fumarate by using waste printed circuit board etching liquid
12/26/2012CN101823948B Method for co-producing methyl chloride with chloroactic acid
12/26/2012CN101811954B Method for preparing azelaic acid by catalytic oxidation of oleic acid
12/26/2012CN101766979B 优化的液相氧化 Optimized liquid phase oxidation
12/26/2012CN101684071B Method for splitting DL-p-hydroxymandelic acid
12/26/2012CN101627000B Process for producing carboxylic acid chloride
12/26/2012CN101622217B Method for producing alpha,beta-unsaturated carboxylic acid
12/26/2012CN101607894B Preparation method of 3,3',4,4'-tetra carboxylic acid biphenyl
12/26/2012CN101570482B Method for synthesizing jelly acid by omega-chlorine octanol
12/26/2012CN101522604B Method for the production of alpha-keto acids and esters thereof
12/26/2012CN101384535B Carbonylation process
12/26/2012CN101331104B Method for producing optically active (4E)-5-chloro-2-isopropyl-4-pentenoic acid or basic amino acid salt thereof
12/26/2012CN101321720B Method for producing tetrafluoroterephthalic acid difluoride
12/25/2012US8338640 Pressurized vapor phase; dividing gases streams; circulation; discharging; forming acrylic acid, methacrylic acid
12/25/2012US8338145 Methods of manufacturing derivatives of β-hydroxycarboxylic acids
12/25/2012US8337671 Method for purifying polymerizable compounds
12/20/2012WO2012174451A1 Use of hydrolases to increase monomer content in waste stream
12/20/2012WO2012174089A1 Co-production of biofuels and glycols
12/20/2012WO2012174087A1 Co-production of biofuels and glycols
12/20/2012WO2012173938A1 Aliphatic polyester polyols from cyclohexane oxidation byproduct streams as precursors for polyurethane and polyisocyanurate polymers
12/20/2012US20120323039 Carboxylic acid production process employing solvent from esterification of lignocellulosic material
12/20/2012US20120323038 Carboxylation of terminal alkynes
12/20/2012US20120323028 Continuous process of oxidative cleavage of vegetable oils
12/20/2012US20120323011 Process and intermediate compounds useful in the preparation of statins
12/20/2012US20120321550 Mononuclear metal complex, hydrogenation reduction catalyst, dehydrogenation catalyst, method for producing hydrogenation reduction product, method for producing hydrogen (h2), and method for producing dehydrogenation reaction
12/20/2012US20120317873 Hydrothermal hydrocatalytic treatment of biomass
12/19/2012EP2535325A1 Method for enhancing the carbonylation rate of methanol
12/19/2012EP2534252A1 Process for manufacturing lactic acid
12/19/2012EP2534125A1 Process for producing a monomer component from a genetically modified polyhydroxyalkanoate biomass
12/19/2012EP2534124A1 Process for manufacturing succinic acid
12/19/2012EP2534123A1 Method for processing a lignocellulose or cellulose biomass by means of solid tungsten-based lewis acids
12/19/2012EP2533874A1 Processes utilizing switch condensers
12/19/2012CN202610132U Device for producing KPTA by deep oxidation with two-stage crystallization
12/19/2012CN202610131U Stabilizing agent production system
12/19/2012CN202610130U Acetone removing device of acetic acid recovery system
12/19/2012CN202606145U Sodium oxalate production equipment
12/19/2012CN202606120U Defogging device for pipeline of linoleic acid vacuum machine
12/19/2012CN102834367A Process and rotary pressure filtration apparatus for slurry separation of aromatic carboxylic acids
12/19/2012CN102834176A Method for manufacturing catalyst from recovered catalyst
12/19/2012CN102827894A Method for separating anthocyanin pigment and lactic acid from radish fermentation broth
12/19/2012CN102827884A Method for extracting L-lactic acid produced in corn soaking process
12/19/2012CN102827062A Method for preparing almotriptan malate
12/19/2012CN102826994A Preparation method of shikimic acid
12/19/2012CN102826993A Method for preparing cis-Z-3-(2-chloro-3,3,3-triflulo-1-propenyl)-2,2-dimethyl cyclopropane carbonyl chloride
12/19/2012CN102826992A Novel industrialized synthesis technique for preparing cinnamic acid from cinnamic aldehyde by catalytic oxidation
12/19/2012CN102826991A Process and device for continuous acidification of acidification section in production of sebacic acid
12/19/2012CN102826990A Production method for acetic acid synthesized from carbon monoxide at low concentration
12/19/2012CN102826989A Preparation method of acetic acid mother solution
12/19/2012CN102824835A System for recycling waste gas and waste heat during 2-hydroxy-3-naphthoic acid production process
12/19/2012CN102039143B Preparation method of catalyst for acrylic acid by oxidizing acraldehyde
12/19/2012CN101928214B Method for synthesizing dexketoprofen trometamol
12/19/2012CN101885680B Method for refining ibuprofen for injection
12/19/2012CN101633613B Method for preparing chromium picolinate from precipitated filter cakes in chrome tanning waste liquid
12/19/2012CN101624343B Hydrogen recycling method and device of refining unit of pure terephthalic acid device
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