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
12/06/2011	US8070836 Combined homogeneous and heterogeneous catalytic transesterification process for biodiesel production
12/06/2011	CA2455620C Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation
12/01/2011	WO2011150329A2 Carbocatalysts for chemical transformations
12/01/2011	WO2011147812A1 A catalyst for preparing cyclic carbonates, the method for preparing the same and the use thereof
12/01/2011	WO2011113925A3 Carbonylation of organic zinc compounds
12/01/2011	US20110295030 Surface modified nanoparticle and preparation method thereof
12/01/2011	DE10232967B4 Reaktor mit einem Wärmetauschmittelkreislauf Reactor with a heat exchange medium circuit
12/01/2011	CA2800874A1 Carbocatalysts for chemical transformations
11/2011
11/30/2011	EP2389349A2 Methods for producing dodecanedioic acid and derivatives thereof
11/30/2011	EP2318351B1 Method for the production of aryl polyglycol carboxylic acids by means of a direct oxidation process
11/30/2011	CN102264683A 制备非基因毒性二乙酰大黄酸(双醋瑞因)的方法以及包含非基因毒性二乙酰大黄酸的制剂 Preparing a non-genotoxic diacetyl rhein (diacerein) method and comprising a non-genotoxic diacetyl rhein formulations
11/30/2011	CN102264469A 通过甘油的脱水反应制造丙烯醛和丙烯酸时所使用的催化剂、以及该催化剂的制造方法 When the catalyst used in the manufacture of acrolein and acrylic acid by dehydration reaction of glycerin, and a manufacturing method of the catalyst
11/30/2011	CN102264468A 制备几何形催化剂成型体的方法 Preparation of the catalyst The method of geometric shaped body
11/30/2011	CN102260276A 普拉格雷枸橼酸盐及其制备方法 Prasugrel citrate and its preparation method
11/30/2011	CN102260209A 一种马来酸氟吡汀的制备方法 A maleic acid-flupirtine preparation
11/30/2011	CN102260169A 一种润滑油清净剂及其生产工艺 A lubricating oil detergent and its manufacturing process
11/30/2011	CN102260168A 单氯代邻苯二甲酸的分离方法和产品 Single-chlorophthalic acid separation methods and products
11/30/2011	CN102260167A 一种含柠檬酸溶液的处理方法 A treatment solution containing citric acid
11/30/2011	CN102260166A 一种一水柠檬酸晶体的干燥方法及得到的一水柠檬酸晶体 Drying method and citric acid monohydrate crystals obtained crystals of citric acid monohydrate
11/30/2011	CN102260165A 一种联产柠檬酸和二水硫酸钙的方法 A co-production of citric acid and calcium sulfate dihydrate method
11/30/2011	CN102260164A 一种柠檬酸的分离方法 One kind of citric acid separation method
11/30/2011	CN102260163A 一种从万寿菊花发酵废水中回收乳酸的方法 Process for the recovery of lactic acid from fermentation wastewater marigold flowers
11/30/2011	CN102260162A 一种乳酸钾溶液脱钠的方法 Kind of lactic acid solution of potassium sodium removal method
11/30/2011	CN102260161A 一种(甲基)丙烯酸的脱色方法 (Meth) acrylic acid bleaching method
11/30/2011	CN102260160A 同时制备碳酰氟和三氟乙酰氟的方法 Simultaneous preparation of carbonyl fluoride and trifluoroacetyl fluoride
11/30/2011	CN102260159A 一种硬脂酸锌熔融法生产工艺及其硬脂酸锌反应釜 A zinc stearate molten zinc stearate production process and reactor
11/30/2011	CN102260158A 多聚磷酸酸化甲酸钠制取高品质甲酸的连续化生产系统 Acidified sodium polyphosphate production of high-quality system of continuous production of formic acid
11/30/2011	CN102260157A 一种氧化环酮制备相应二酸的方法 A cyclic ketone to prepare the corresponding acid oxidation method
11/30/2011	CN102260145A 八角有效成分的连续分级分离纯化方法 Continuous grading octagonal active ingredient separation and purification method
11/30/2011	CN102260005A 一种富马酸生产废水的处理方法 One kind of fumaric acid production wastewater treatment
11/30/2011	CN102259028A 均相催化甲醇羰基化合成醋酸的铱催化剂及其制备方法和应用 Homogeneous catalytic carbonylation of methanol to acetic acid synthesis iridium catalyst and preparation method and application
11/30/2011	CN102259024A 一种用于葡萄糖氧化的纳米金催化剂及制备和使用方法 A nano-gold catalyst and the preparation and use of glucose oxidation for
11/30/2011	CN101955274B 一种含醋酸的含铬废水的治理和资源回收方法 Governance and resource recovery methods chromium-containing wastewater containing acetic acid
11/30/2011	CN101812499B 一种利用黄姜生产皂素和有机酸的方法 An turmeric saponin and organic production methods use
11/30/2011	CN101624340B 4-氯代丁酰氯的制备方法 Preparation of 4-chloro-butyryl chloride method
11/30/2011	CN101407457B 含羧基取代的查耳酮类衍生物及制备方法和用途 Containing carboxy-substituted chalcone derivatives and preparation and use
11/30/2011	CN101402564B Pta生产中cta残渣的溶解处理方法 Pta production residue dissolved cta approach
11/30/2011	CN101402563B Pta生产中cta残渣的汽提处理方法 Pta cta production stripping treatment residues
11/30/2011	CN101381303B 3-氟邻苯二甲酸的制备方法 Preparation of 3-fluoro-phthalic acid method
11/30/2011	CN101381301B 4-氯-2,5-二氟苯甲酸的制备方法 4-chloro-2,5-difluoro-benzoic acid method
11/30/2011	CN101182292B 用于获得高纯度萘二甲酸的氢化反应方法 The hydrogenation reaction method for obtaining high-purity naphthalenedicarboxylic acid
11/29/2011	US8067625 Fluorosurfactants
11/29/2011	US8067623 Producing waxes from soybean oil; ruthenium alkylidene catalytic, simultaneous opening and inserting
11/24/2011	WO2011146556A1 Processes for producing diaminobutane (dab), succinic dinitrile (sdn) and succinamide (dam)
11/24/2011	WO2011146446A1 Process for purifying acetic acid streams by removing permanganate reducing compounds
11/24/2011	WO2011146440A1 Processes for producing diaminobutane (dab), succinic dinitrile (sdn) and succinamide (dam)
11/24/2011	WO2011144935A1 Process and system for the separation and drying of carboxylic acid crystals
11/24/2011	US20110288334 Reactor and process for preparing phosgene
11/24/2011	US20110288333 Processes for Producing Acetic Acid
11/24/2011	US20110288331 Process for the preparation of choline salt of fenofibric acid and its novel polymorph
11/24/2011	US20110288325 Method for producing silica-supported catalyst, and method for producing unsaturated carboxylic acid or unsaturated nitrile
11/24/2011	US20110288323 Method for preparing acrolein from glycerol or glycerine
11/24/2011	US20110288311 Novel terephthalic and trimellitic based acids and carboxylate derivatives thereof
11/24/2011	US20110288310 Cyclohexane 1,4 carboxylates
11/24/2011	US20110288066 Phenoxy acetic acid derivatives
11/24/2011	CA2799424A1 Processes for producing diaminobutane (dab), succinic dinitrile (sdn) and succinamide (dam)
11/23/2011	EP2018218B1 Mixing apparatus for mixing at least two fluids, and its use
11/23/2011	EP1885681B1 A process to produce a post catalyst removal composition
11/23/2011	CN102250973A Calcium salt method-electrodialysis coupling technology-based lactic acid cleaner production method
11/23/2011	CN102250039A Ionic liquid of N-methyl piperazine salt and preparation method thereof
11/23/2011	CN102250032A 一种手性噁唑啉及其合成方法 Chiral oxazoline and synthesis method
11/23/2011	CN102249904A Synthesis method of 2-ethoxy naphthoic acid
11/23/2011	CN102249903A Method for synthesizing 2-ethoxy-1-naphthoic acid
11/23/2011	CN102249902A Preparation method of 1-chloroformyl-2-ethoxy naphthalene crystal
11/23/2011	CN102249901A Method for preparing 2,5-dialkoxy terephthalic acid
11/23/2011	CN102249900A Method for separation and purification of 2-adamantanecarboxylic acid and 1-adamantanecarboxylic acid
11/23/2011	CN102249899A Process for synthesizing ferulic acid by microwave method
11/23/2011	CN102249898A Method for extracting antitumor component caffeic acid from Elsholtzia splendens
11/23/2011	CN102249897A Processing method of citric acid mother solution
11/23/2011	CN102249896A Method for treating solution containing citric acid
11/23/2011	CN102249895A Treatment method of solution containing citric acid
11/23/2011	CN102249894A Method for filtering and clarifying citric acid fermentation broth
11/23/2011	CN102249893A Citric acid solution decolorizing method
11/23/2011	CN102249892A Method for preparing lactic acid by catalytic oxidation of 1,2-propylene glycol
11/23/2011	CN102249891A Method for recovering and purifying phenylacetic acid
11/23/2011	CN102249890A Method for preparing acrylic acid from glycerin as raw material
11/23/2011	CN102249889A Method for extracting succinic acid from citric acid mother solution
11/23/2011	CN102249888A Method and device for continuously preparing tertiary alkyl acetic acid
11/23/2011	CN102247890A Nitrogen-coordinated magnetic nano composite microsphere-supported palladium catalyst and preparation method and application thereof
11/23/2011	CN102247844A Carbon-supported palladium bismuth bimetallic catalyst, preparation method and application thereof
11/23/2011	CN102247841A Method for recovering catalyst rhodium from industrial waste liquid of carbonyl synthesis of acetic anhydride
11/23/2011	CN102247840A Catalyst used for sodium formate process and preparation method thereof
11/23/2011	CN102247839A Smooth transition method for initial activity of palladium-carbon catalyst
11/23/2011	CN101555205B Preparing method of 3-oxo-1-cyclobutane-carboxylic acid
11/23/2011	CN101525285B Method for separating acetic acid in fermentation liquid for biohydrogen production by bipolar membrane electrodialysis technique
11/22/2011	US8062482 Acetaldehyde removal from a methyl acetate/methanol/acetaldehyde mixture by distillation is enhanced by conducting the distillation at high pressure and temperature; the purified methyl acetate/methanol mixture can be directly fed to a carbonylation unit to make acetic acid
11/22/2011	CA2664293C Method for removing iodide compound from organic acid
11/17/2011	WO2011142178A1 Mixed catalyst
11/17/2011	WO2011141923A2 Improved synthesis of optically pure (s) - 3-cyano-5-methyl-hexanoic acid alkyl ester, an intermediate of (s)- pregabalin
11/17/2011	WO2011141404A1 Process for preparing dicarboxylic acids
11/17/2011	US20110282070 Benzoylpyrazole compounds and herbicides containing them
11/17/2011	US20110277378 Process for liquefying a cellulosic material and its products
11/17/2011	DE102010012090A1 Verfahren zur katalytischen Gasphasenoxidation von Kohlenwasserstoffen und Katalysereaktionsvorrichtung A process for the catalytic gas-phase oxidation of hydrocarbons and catalytic reaction apparatus
11/17/2011	DE102010003015A1 Carbonylierung von organischen Zinkverbindungen Carbonylation of organic zinc compounds
11/16/2011	CN102245556A Solid calcium lactate in substantially spherical form
11/16/2011	CN102245298A Carbonylation process using bound silver and/or copper mordenite catalysts
11/16/2011	CN102241585A Process for purifying citric acid mother liquor
11/16/2011	CN102241584A Production method of calcium hydrogen citrate
11/16/2011	CN102241583A Method for synthesizing 2-chlorobutyric acid
11/16/2011	CN102241582A Synthesis technology of sodium valproate

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