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)
05/2012
05/01/2012US8168824 Purification of acetic acid from wood acetylation process using extraction
05/01/2012US8168822 Acetic acid production by way of carbonylation with enhanced reaction and flashing
05/01/2012US8168819 Process for production of 5-phenylisophthalic acid
05/01/2012CA2532234C Catalyst and process for the production of acetic acid
05/01/2012CA2531443C Preparation of 1,3-diphenylprop-2-en-1-one derivatives
05/01/2012CA2497066C Process for the preparation of 13-cis-retinoic acid
04/2012
04/26/2012WO2012054499A1 Acetic acid production process
04/26/2012WO2012052848A1 Concentration of polyunsaturated fatty acids by distillation using removable isovolatile co-distilling agents
04/26/2012WO2012052703A1 Process for producing a lactic acid-amine complex
04/26/2012WO2012052126A1 Glycidyl esters of alpha, alpha branched neononanoic acids, synthesis and uses
04/26/2012WO2012051774A1 Process for salting out and extracting organic acid from fermentation broth
04/26/2012US20120101300 Method for making hydrophilic carbon nanotube film
04/26/2012US20120101298 Carbonylation process
04/26/2012US20120101296 Method for preparing tricyclic derivatives
04/26/2012US20120100073 Pet radiotracers for imaging fatty acid metabolism and storage
04/26/2012CA2814372A1 Acetic acid production process
04/26/2012CA2810962A1 Process for producing a lactic acid-amine complex
04/25/2012EP2443087A1 Disubstituted-aminodifluorosulfinium salts, process for preparing same and method of use as deoxofluorination reagents
04/25/2012EP2443082A1 Method for producing crystals of adipic acid
04/25/2012EP2442672A1 Process for preparing a food product
04/25/2012EP1910264B1 Aroma composition and method
04/25/2012CN202199337U 一种氯乙酸连续化生产装置 One kind of continuous production equipment TCA
04/25/2012CN102428088A Cage cyclopentane acid dianhydride compound, process for producing same, and polyimide
04/25/2012CN102428066A 提纯含卤素化合物的羧酸的方法 The method for purifying a halogen-containing carboxylic acid compound
04/25/2012CN102428065A 制备(甲基)丙烯酸的方法 Preparation of (meth) acrylic acid
04/25/2012CN102424649A 一种α-亚麻酸包合物及其制备方法 One kind of α- linolenic acid clathrate its preparation method
04/25/2012CN101665424B 一种甲醇低压羰基化合成醋酸的方法及其装置 A low-pressure hydroformylation synthesis of methanol and acetic acid method and apparatus
04/24/2012US8163954 Process and catalyst for oxidizing aromatic compounds
04/24/2012CA2551411C Ibopamine maleate, method for preparing it and pharmaceutical compositions containing it
04/24/2012CA2550302C L-(-)-moprolol l-(+)-tartrate
04/24/2012CA2534872C Catalyst composition and use thereof in ethane oxidation
04/24/2012CA2509363C Process for the synthesis of peptides containing a 4-hydroxy-proline substructure
04/24/2012CA2461798C Low melting point tin salt of carboxylic acid and method for producing the same
04/19/2012WO2012051412A2 Process for recovering halogen promoters and removing permanganate reducing compounds
04/19/2012WO2012051411A2 Process for recovering halogen promoters and removing permanganate reducing compounds
04/19/2012WO2012050996A1 Production of acetic acid with an increased production rate
04/19/2012WO2012050846A1 Production of acid with high conversion rate
04/19/2012WO2012012048A3 Solid terephthalic acid composition
04/19/2012WO2012005902A3 Process for purifying terephthalic acid
04/19/2012WO2011150329A3 Carbocatalysts for chemical transformations
04/19/2012US20120095263 Process for producing adipic acid crystals
04/19/2012US20120095259 Acetic Acid Production Process
04/19/2012US20120095258 Method for preparation of dicarboxylic acids from saturated hydrocarbons or cycloaliphatic hydrocarbons by catalytic oxidation
04/19/2012US20120095143 Dispersion and retrieval of de-bundled nanotubes
04/19/2012US20120095119 Process for producing purified synthesis gas
04/19/2012US20120095102 Salts of 3-Pentylphenylacetic Acid and Pharmaceutical Uses Thereof
04/19/2012US20120094341 Methods for the synthesis of olefins and derivatives
04/19/2012CA2814711A1 Process for preparaing gamma-hydroxybutyrate
04/18/2012EP2441793A1 Highly active beta-nucleation additive for polypropylene
04/18/2012EP2441792A1 Highly active beta-nucleating agent for polypropylene
04/18/2012EP2441747A1 Method for preparation of dicarboxylic acids from linear or cyclic saturated hydrocarbons by catalytic oxidation
04/18/2012EP2440560A1 The succinate of tenofovir disoproxil
04/18/2012EP2440515A1 Production of adipic acid and derivatives from carbohydrate-containing materials
04/18/2012EP2440514A2 Production of adipic acid and derivatives from carbohydrate-containing materials
04/18/2012EP2440513A2 Production of glutaric acid and derivatives from carbohydrate-containing materials
04/18/2012EP2440512A2 Method for the restabilization of (meth)acrylic monomers
04/18/2012CN102421742A 3-戊基苯乙酸的盐及其药物用途 3-pentyl acid salts and pharmaceutical use
04/18/2012CN102421741A 用于处理、纯化粗对苯二甲酸及相关过程流的方法、步骤及系统 For processing, purification of crude terephthalic acid and related process flow, the steps and system
04/18/2012CN102421740A Carbonylation process
04/18/2012CN102421524A 羰基化方法 Carbonylation process
04/18/2012CN102419552A 精对苯二甲酸生产过程无静差预测控制器 Purified terephthalic acid production process without static error predictive controller
04/18/2012CN102417449A 一种3-环丙基甲氧基-4-二氟甲氧基苯甲酸的制备方法 Of 3-cyclopropylmethoxy-4-difluoromethoxy-benzoic acid Preparation of
04/18/2012CN102417448A 高纯度,高熔点芳香族酰氯片状产品的密闭连续生产工艺 High purity, high melting point of the aromatic acid chloride sheet product production process of a continuous closed
04/18/2012CN102417447A 十一烯酸的生产方法 Undecylenic acid production process
04/18/2012CN102417446A 十一烯酸锌的生产方法 Undecylenic acid zinc production methods
04/18/2012CN102417445A 一种由马来酸合成丁二酸的方法 One kind of succinic acid from maleic acid synthesis method
04/18/2012CN102417444A 一步水法生产脂肪酸钙的生产工艺 Step production of fatty acid calcium water production technology
04/18/2012CN102417162A Recycling method of hydrochloric acid-acetic acid waste liquid
04/18/2012CN101602661B 硬脂酸钙的制备方法 Preparation of calcium stearate
04/18/2012CN101531590B 采用大孔吸附树脂制备银杏酸的方法 The method of preparation of macroporous resin Ginkgo acid
04/18/2012CN101462942B 利用酸洗废液生产高纯电池级草酸亚铁的方法 The use of pickling waste production of high purity battery grade ferrous oxalate method
04/18/2012CN101035752B 用过的聚对苯二甲酸乙二醇酯化学再生方法和用过的聚对苯二甲酸乙二醇酯化学再生设备 Used polyethylene terephthalate chemical regeneration method and used polyethylene terephthalate chemical recycling equipment
04/18/2012CN101003474B 乙醛酸的制备方法 Preparation of glyoxylic
04/17/2012US8158815 Carbonylation process with in situ regeneration of mordenite catalyst
04/17/2012US8157969 Method and apparatus for minimizing accumulation of polymer on process equipment, especially safety devices
04/17/2012CA2595393C Chemical process for recycling polyethylene terephthalate (pet) wastes
04/17/2012CA2570003C Acetic anhydride and acetate ester co-production
04/12/2012WO2012047614A1 Production of acetic acid with high conversion rate
04/12/2012WO2012046593A1 Acetic acid production method
04/12/2012WO2012045738A1 Process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase p
04/12/2012WO2012012046A3 Mixtures used in oxidizing alkyl aromatic compounds
04/12/2012WO2012012045A3 Process for oxidizing alkyl aromatic compounds
04/12/2012WO2012012043A3 Process for producing terephthalic acid
04/12/2012WO2011159740A3 Methods for manufacturing tetranor-prostaglandin d, j, e, a and f metabolites
04/12/2012US20120088929 Production of a acetic acid comprising feeding at least one reactant to a recycle stream
04/12/2012US20120088926 Process for the preparation of a iodinating agen
04/11/2012EP2439186A1 Method for crystallizing (meth)acrylic acid and method for regulating content of polymerization inhibitor in (meth)acrylic acid product
04/11/2012EP2438012A1 Process for the preparation of a composition comprising meso-tartaric acid
04/11/2012EP1478463B1 Process for the carbonylation of an ethylenically unsaturated compound and catalyst therefore
04/11/2012EP1326840B1 Substituted heterocyclic compounds for treating multidrug resistance
04/11/2012CN202186951U 喷射混合溶糖技术在葡萄糖酸钠生产工艺中的应用设备 Jet mixing technology in the sugar dissolved sodium gluconate production process applications
04/11/2012CN202185314U 离子交换装置 Ion exchange device
04/11/2012CN102414252A Method for manufacturing a solution of diacid/diamine salts
04/11/2012CN102414161A 芳族环被氯化的苯二甲酸化合物的制造方法 The method of producing an aromatic ring of the phthalic acid compound is chlorinated
04/11/2012CN102414160A Method for producing (meth)acrylic acid and crystallization system
04/11/2012CN102414159A Method for producing (meth)acrylic acid
04/11/2012CN102414158A Production of formic acid
04/11/2012CN102408398A Preparation method of ranitidine bismuth citrate
04/11/2012CN102408330A 一种藜芦酸的制备工艺 Preparation of a hellebore acid
04/11/2012CN102408329A Preparation method of 2,4-dihydroxy benzoic acid
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