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)
12/2011
12/22/2011	CA2800789A1 Processes for producing hexamethylenediamine (hmd), adiponitrile (adn), adipamide (adm) and derivatives thereof
12/21/2011	EP2397458A1 Organic salts and co-crystals of phenylbutyric acid
12/21/2011	EP2198036B1 Method for the synthesis of omega-unsaturated fatty acids
12/21/2011	EP1638915B1 Oxidation process for the production of acetic acid and ethylene
12/21/2011	EP1434753B1 Method for the preparation of a stable alkali metal lactate in powder form
12/21/2011	CN202081038U 一种多聚磷酸酸化甲酸钠制取高品质甲酸的连续化生产系统 A multi-acidified sodium polyphosphate production of high-quality system of continuous production of formic acid
12/21/2011	CN102292312A 羟基-和醛官能化的化合物 Hydroxy - and aldehyde functional compound
12/21/2011	CN102286059A 从迷迭香中提取熊果酸、鼠尾草酸和迷迭香酸的方法 Extract ursolic acid, carnosic acid and rosemary acid from rosemary methods
12/21/2011	CN102285890A 2-甲基-4-氯苯氧乙酸二甲胺盐的制备工艺 Preparation of 2- methyl-4-chlorophenoxy acetic acid dimethylamine salt
12/21/2011	CN102285878A 一种制备2-卤-4,5-二甲氧基苯甲酸的方法 A method of 2-halo-4,5-dimethoxy benzoic acid
12/21/2011	CN102285877A 一种生产柠檬酸镁的方法 A method of producing magnesium citrate method
12/21/2011	CN102285876A 一种生产低铅颗粒状柠檬酸锌的方法 A process for producing low-lead method for particulate zinc citrate
12/21/2011	CN102285849A 一种氟化方法 A fluorinated method
12/21/2011	CN101643755B 一种生产电子级没食子酸的方法 An electronic grade gallic acid produced
12/21/2011	CN101638359B 一种利用电石炉尾气生产草酸的工艺 A use of calcium carbide furnace exhaust oxalic acid production process
12/21/2011	CN101555201B L-乳酸钙发酵液的酸解方法 L- lactate acid hydrolysis method of fermentation broth
12/21/2011	CN101507927B 一种复合氧化物催化剂的制备方法及其在合成丙烯酸工艺中的应用 Method for preparing a composite oxide catalyst and its application in the synthesis of acrylic acid process
12/21/2011	CN101302152B 采用络合结晶从有色对苯二甲酸残渣中回收对苯二甲酸的方法 Terephthalic acid crystals recovered using complex methods terephthalic acid residue from colored
12/21/2011	CN101193848B 制备6-[3-(1-金刚烷基)-4-甲氧基苯基]-2-萘甲酸的新方法 Preparation of 6- [3- (1-adamantyl) -4-methoxyphenyl] -2-naphthoic acid A New Method
12/21/2011	CN101061146B 制备吸水性聚合物的方法 Preparation of water-absorbent polymers
12/20/2011	US8080686 Integrated process for preparing a carboxylic acid from an alkane
12/20/2011	US8080685 System and process for production of benzoic acids and phthalic acids
12/20/2011	US8080493 Heteropolyanions with late transition metal addenda atoms and process for their preparation
12/20/2011	US8080215 Flow reactors for chemical conversions with heterogeneous catalysts
12/20/2011	CA2618241C Supported gold catalyst
12/20/2011	CA2524981C Carbonylation process using metal-polydentate ligand catalysts
12/15/2011	WO2011154370A1 Process for determining the purity of and reusing ionic liquids
12/15/2011	WO2011100682A3 Purification of carboxylic acids by catalytic hydrogenation
12/15/2011	US20110306790 Oxidation Catalysts
12/15/2011	US20110306789 Process for the manufacture of adipic acid
12/15/2011	US20110306788 Oxidized organic compound manufacturing method
12/15/2011	US20110306787 Process for the preparation of gabapentin
12/15/2011	DE102010023312A1 Shell catalytic converter, useful as a catalyst for the heterogeneous catalyzed partial gas phase oxidation of acrolein to acrylic acid, a hollow cylindrical carrier body, and a shell made of a catalytically active oxide mass
12/14/2011	EP2394978A1 Process for production of (meth)acrylic acid
12/14/2011	EP2394732A1 Method for regenerating filter
12/14/2011	EP2393773A1 Method for synthesizing an omega-amino acid or ester from a monounsaturated fatty acid or ester
12/14/2011	EP2393770A2 New salts of desvenlafaxine and a method of their preparation
12/14/2011	EP2393766A2 Purification process of allyl acetate via allyl diacetate decomposition
12/14/2011	EP1945601B1 Novel process for the preparation of acid chlorides
12/14/2011	EP1697294B1 Method of producing unsaturated aldehyde and/or unsaturated fatty acid
12/14/2011	EP1673334B1 Method for rectification separation of a liquid from an acrylic acid
12/14/2011	CN202070326U 一种结片机 One kind Flaker
12/14/2011	CN102282120A (甲基)丙烯酸的制备方法 Preparation of (meth) acrylic acid
12/14/2011	CN102282117A 乙酸氢化制造乙醇 Acetic acid hydrogenation to produce ethanol
12/14/2011	CN102276450A 一种碱性烷基水杨酸钙的制备方法 Method for preparing the basic calcium alkyl salicylate
12/14/2011	CN102276449A 4,4-二甲基-1-(4-氯苯基)-1-戊烯-3-酮合成废液处理工艺 4,4-dimethyl-1- (4-chlorophenyl) -1-penten-3-one Synthesis of Waste Treatment Process
12/14/2011	CN102276448A 一种pta生产装置中氢气回收方法 An apparatus for producing hydrogen recovery method pta
12/14/2011	CN102276447A 一种萘普生水合物晶体、其制备方法及含有该晶体和舒马普坦的药用组合物 One kind of naproxen hydrate crystal, its preparation method and containing the crystal and a pharmaceutical composition for Sumatriptan
12/14/2011	CN102276446A Method for preparing potassium dihydrogen citrate (malononitrile alloy (I)) for gold plating and monohydrate thereof
12/14/2011	CN102276445A 一种胶体酒石酸铋化合物及其药物及制备方法和应用 Colloids tartaric acid and bismuth compounds and pharmaceutical preparation method and application
12/14/2011	CN102276444A 脂肪酸类化合物及其制备方法与应用 Fatty acid compounds and its preparation method and application
12/14/2011	CN102276443A 一种制备高光学活性的2-氯丙酰氯的方法 Method for generating an optically active 2-chloropropionyl chloride prepared
12/14/2011	CN102276442A 二氯乙酸盐的合成方法 Dichloroacetate salt synthesis method
12/14/2011	CN102276441A 一种环保型金属羧酸盐及其制备方法 An environmentally friendly metal carboxylate and its preparation method
12/14/2011	CN102276440A 一种生产甲酸钾的方法 A method for the production of potassium formate
12/14/2011	CN102276439A 一种脂肪酸根类离子液体的制备方法 A method of preparing the root class of ionic liquids fatty
12/14/2011	CN102276378A 一种发酵液的处理方法 A processing method of fermentation broth
12/14/2011	CN102276375A 一种金刚烷醇类化合物的制备方法 Method for preparing compounds adamantanol
12/14/2011	CN102276017A 将丙烯酸(盐)转化为丙酸(盐)的设备及其方法 The acrylic acid (salt) is converted to propionic acid (salt) and method thereof
12/14/2011	CN102274708A 一种醋酸氯化反应器及反应工艺方法 Having an acetic acid chlorination reactor and reaction process for
12/14/2011	CN102274675A 一种水处理剂hedp生产尾气回收系统 A water treatment agent hedp production tail gas recovery system
12/14/2011	CN101189202B 乙烷选择性氧化为乙烯的方法 Selective oxidation of ethane to ethylene which
12/14/2011	CN101186573B 对苯二甲酸的制备方法 Method for producing terephthalic acid
12/13/2011	US8076512 Preparation of acetic acid
12/13/2011	US8076511 Preparative-scale separation of enantiomers of chiral carboxylic acids
12/13/2011	US8076510 Undertakes required cooling of reactor plate surface initially with cycle gas or with cycle gas and steam in a mixture; restarting-up heterogeneously catalyzed partial gas phase oxidation
12/13/2011	US8076509 Process for producing acrylic acid
12/13/2011	US8076508 Preparation of acetic acid
12/13/2011	US8076507 Efficient acetaldehyde removal; redistilling overhead fraction to produce second overhead stream and performing multiple aqueous extractions
12/13/2011	US8076506 Process for the reduction of aldehyde concentration in a target stream
12/13/2011	US8076504 Method for production of short chain carboxylic acids and esters from biomass and product of same
12/13/2011	US8076498 Method for preparing fatty acid esters with alcohol recycling
12/13/2011	US8076497 Production of acylglycerol esters
12/13/2011	US8076110 such as biodiesel; use of lipase as biocatalyst; cost efficiency, inactivation of lipase is minimized; first alkyl ester easily obtained by phase separation between the first alkyl ester and the glycerol after removing the first organic solvent and the unreacted first primary or secondary alcohol
12/08/2011	WO2011151528A1 Hydrogen treatment of impure tall oil for the production of aromatic monomers
12/08/2011	WO2011151123A1 Extraction towers and processes for using the same
12/08/2011	WO2011150636A1 Method for preparing disodium stannous citrate
12/08/2011	WO2011107559A3 Production of ethylenically unsaturated carboxylic acid salts by the carboxylation of alkenes
12/08/2011	US20110301024 Process for the preparation of fischer-tropsch catalysts and their use
12/08/2011	US20110300567 Method for determining redox activity and screening compounds based on redox activity
12/08/2011	CA2801397A1 Hydrogen treatment of impure tall oil for the production of aromatic monomers
12/07/2011	EP2392399A1 Method for producing silica-supported catalyst, and method for producing unsaturated carboxylic acid or unsaturated nitrile
12/07/2011	EP2391598A2 An improved process for the preparation of choline salt of fenofibric acid and its novel polymorph
12/07/2011	CN202063875U 绿色循环经济型煤焦化工艺装置 Green recycling economy means coal coking process
12/07/2011	CN202061594U 结片机 Flaker
12/07/2011	CN102272089A 由乙酸经由乙酸乙酯生产乙酸乙烯酯的整合方法 Ethyl acetate via the integrated approach to the production of vinyl acetate
12/07/2011	CN102272087A 制备氟化烷氧基羧酸及其前体的方法 Methods for preparing fluorinated alkoxy acids and their precursors
12/07/2011	CN102272086A 由酸的盐制备游离酸的方法 Acid salt was prepared by the method of free acid
12/07/2011	CN102267894A 一种制备2-溴-4,5-二甲氧基苯甲酸的方法 A method of 2-bromo-4,5-dimethoxy-benzoic acid Preparation of
12/07/2011	CN102267892A 一种pH基准试剂酒石酸氢钾的制备方法 Method for preparing a reference reagent pH potassium hydrogen tartrate
12/07/2011	CN102267891A 一种新的三萜化合物及其制备方法 A new triterpenoids and its preparation method
12/07/2011	CN102267890A 从丙烯酸酯生产废水中萃取回收丙烯酸的方法 Extraction and recovery of acrylic acid from acrylic acid ester production wastewater
12/07/2011	CN102267889A 一种采用萃取与共沸精馏相结合的稀醋酸回收方法 An extraction method using dilute acetic acid recovery combine with azeotropic distillation
12/07/2011	CN102266795A 一种用于低水醋酸合成工艺的催化剂及其制备和使用方法 Catalyst preparation and use of a method for low water acetic acid synthesis process
12/07/2011	CN101927159B 菲氧化催化剂的制备方法 Phenanthrene oxidation catalyst preparation method
12/07/2011	CN101429114B 氯代脂肪酸钠/钾盐浮选剂及其制备方法 Chlorinated aliphatic sodium / potassium flotation and its preparation method
12/07/2011	CN101115705B 芳族羧酸的纯化方法 Aromatic carboxylic acid purification process
12/07/2011	CN101085716B 从羊毛脂皂化物中分离羊毛醇和羊毛酸的方法 Wool alcohols and acids were isolated from wool lanolin in unsaponifiables
12/07/2011	CN101077855B 利用脱氢反应余热连续脱氢生产草酸钠的工艺及设备 Continuous use of waste heat dehydrogenation dehydrogenation reaction of sodium oxalate production technology and equipment
12/06/2011	US8071805 Process for producing 2-hydroxy-4-(methlthio)butyrate compounds and intermediates thereof

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