Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
01/2015
01/07/2015CN104262139A 一种溶析结晶制备柠檬酸钠晶体的方法 One kind of solvent Crystallization method for preparing crystals of sodium citrate
01/07/2015CN104262138A 一种联苯乙酸化合物及其药物组合物 A Combined phenylacetic acid compounds and pharmaceutical compositions
01/07/2015CN104262137A 碱提酸沉法分离青蒿素生产废料中二氢青蒿酸 Alkali extraction and acid precipitation process waste separation artemisinin-dihydro artemisinic acid
01/07/2015CN104262136A 苯酐生产废水回收富马酸的方法 Fumaric acid anhydride production wastewater recycling method
01/07/2015CN104262135A 山梨酸的制备工艺 Preparation of sorbic acid
01/07/2015CN104262134A 山梨酸连续脱溶方法 Sorbic continuous method desolventizing
01/07/2015CN104262133A 颗粒状硬脂酸钙生产方法及设备 Granular calcium stearate manufacturing methods and apparatus
01/07/2015CN104262132A 利用蛋壳制备丙酸钙的方法 Use eggshell calcium propionate preparation method
01/07/2015CN104262131A 一种生产2-(4′-叔戊基苯甲酰)苯甲酸的方法 A process for producing 2- (4'-tert-amyl) benzoic acid method
01/07/2015CN104262085A 一种4-卤代苯乙炔的合成新方法 A new method for the synthesis of 4-halo-phenylacetylene
01/07/2015CN104261586A 一种碱减量废水的膜法处理工艺 An alkali reduction wastewater membrane process
01/07/2015CN103508596B 一种己二酸铵清洗废水的处理系统及其回收方法 One kind of adipic acid ammonium cleaning processing system and method for wastewater recycling
01/07/2015CN103274923B 一种回收利用双烯醇酮醋酸酯废液的方法 One kind of recycling waste double pregnenolone acetate method
01/07/2015CN103044236B 一种乙醛酸的制备方法 Method for preparing glyoxylic
01/07/2015CN102887820B 制备丙烯酸的方法 The process for preparing acrylic acid
01/07/2015CN102863327B 一种柠檬酸钙的生产装置及生产方法 Production plant and a calcium citrate production methods
01/07/2015CN102746138B 一种离子液体催化丁二酸二甲酯水解制备丁二酸的方法 An ionic liquid catalyzed hydrolysis of succinic acid dimethyl ester method
01/07/2015CN102603512B 乳酸的制备方法 Lactic acid production method
01/07/2015CN102530858B 一种用醇制氢气的方法 One kind of alcohol made by the method of hydrogen
01/07/2015CN102300636B 二氧化硅负载催化剂的制造方法、以及不饱和羧酸或不饱和腈的制造方法 The method of producing silica-supported catalyst, and an unsaturated carboxylic acid or unsaturated nitrile manufacturing method
01/07/2015CN101868441B 对苯二酸组合物及其生产方法 Terephthalic acid composition and production method thereof
01/06/2015US8927788 Process to recover alcohol with reduced water from overhead of acid column
01/06/2015US8927787 Process for controlling a reboiler during alcohol recovery and reduced ester formation
01/06/2015US8927784 Process to recover alcohol from an ethyl acetate residue stream
01/06/2015US8927783 Recovering ethanol with sidestreams to regulate C3+ alcohols concentrations
01/06/2015US8927769 Production of acrylic acid from a methane conversion process
01/06/2015US8927768 Production of adipic acid and derivatives from carbohydrate-containing materials
01/06/2015US8927766 Hydrocarboxylation of methylene dipropionate in the presence of a propionic acid and a homogeneous catalyst
01/06/2015US8927764 Process for producing terephthalic acid
01/06/2015US8927746 Process for synthesizing omega-functionalized acids from fatty acids or fatty esters
01/06/2015US8927470 Process and apparatus for preparing a soap concentrate, a lubricating composition, and combinations thereof
01/06/2015US8927243 Post protein hydrolysis removal of a potent ribonuclease inhibitor and the enzymatic capture of DNA
01/06/2015CA2651628C Process for the production of biofuel from plant materials
01/06/2015CA2565635C Ferrocenyl ligands for homogeneous, enantioselective hydrogenation catalysts
01/01/2015US20150005526 Catalyst and process for preparing acrolein and/or acrylic acid by dehydration reaction of glycerin
01/01/2015US20150005521 Continuous process of oxidative cleavage of vegetable oils
01/01/2015US20150005384 Crystal form of prostaglandin analogue, and preparation method and use thereof
01/01/2015US20150004663 Method for isolating a carboxylic acid from an aqueous solution
12/2014
12/31/2014CN204058304U 一种二十碳五烯酸液相分离提纯工艺系统 One kind of eicosapentaenoic acid liquid phase separation and purification process system
12/31/2014CN204058303U 一种甲酸钠的提纯装置 A process for purifying device sodium formate
12/31/2014CN104254549A 用于生产甲基丙烯酸及其衍生物的工艺以及由该工艺生产的聚合物 For process and polymers produced by the process of production of methacrylic acid and its derivatives
12/31/2014CN104254513A 一种分离芳基羧酸的工艺 A process for separation of aryl carboxylic acids
12/31/2014CN104254512A 在高级羧酸和均相催化剂存在下的甲醛的氢羧基化 Higher carboxylic acid and in the presence of a homogeneous catalyst under hydrogen carboxylated formaldehyde
12/31/2014CN104250210A 一种甲醇羰基化制醋酸的生产方法 Methanol carbonylation acetic acid production methods
12/31/2014CN104250209A 一种甲醇羰基化制醋酸的生产方法 Methanol carbonylation acetic acid production methods
12/31/2014CN104250208A 一种甲醇羰基化制醋酸的生产方法 Methanol carbonylation acetic acid production methods
12/31/2014CN104248950A 一种钯/碳纳米管催化剂及制备和应用 A palladium / carbon nanotube catalyst and preparation and application
12/31/2014CN103301864B -C-SiC催化剂及其制备与应用 -C-SiC catalyst and its preparation and application
12/31/2014CN103193750B 一种利用大孔树脂xad7hp联合分离制备莽草酸和八角黄酮的方法 An advantage of the method macroporous resin xad7hp joint separation and preparation of shikimic acid and flavonoids anise
12/31/2014CN103113186B 一种双乙烯酮生产残渣的处理方法及装置 A dual vinyl ketone production residue processing method and apparatus
12/31/2014CN103058849B 一种合成甲基丙烯酸酐的间歇反应精馏工艺 Intermittent a synthetic methacrylic anhydride reactive distillation process
12/31/2014CN102872863B 一种载体型催化剂及其在低压松香加氢中的应用 A supported catalyst and its application in low pressure hydrogenation of rosin
12/31/2014CN102795995B 检测的方酸菁化学传感器及其制备方法 Squaraine chemical detection sensor and its preparation method
12/31/2014CN102757333B 一种氧化环己醇制备己二酸的方法 An oxidizing cyclohexanol method for preparing adipic acid
12/31/2014CN102701958B 新型抗菌剂酰基苯氧乙酸、酰基肉桂酸及其制备方法 The new antimicrobials phenoxy acid, acetic acid, cinnamic acid and its preparation method
12/31/2014CN102153430B 氟化芳香族有机化合物的制备方法 Preparation of fluorinated aromatic organic compounds
12/30/2014US8921610 Oxidation of alkylbenzenes
12/30/2014US8921593 Process for the semi-continuous transvinylation of carboxylic acids with vinyl acetate
12/30/2014US8921591 Process for synthesizing phenylacetic acid by carbonylation of toluene
12/30/2014US8921583 Crystalline peptide epoxy ketone protease inhibitors and the synthesis of amino acid keto-epoxides
12/30/2014US8921420 Method for preparing dicaffeoylquinic acids and use thereof in combating aphids
12/30/2014US8921324 Crystalline peptide epoxy ketone protease inhibitors and the synthesis of amino acid keto-epoxides
12/25/2014US20140378703 Process for recovery of a carboxylic acid from a feed stream containing the corresponding ester
12/25/2014US20140378702 Processes for Separating Crude Acrylic Acids and Acrylates Comprising A Michael Addition Product
12/25/2014US20140378697 Hydroalkylation Catalyst and Process for Use Thereof
12/25/2014US20140378696 Process for the preparation of derivatives of 1-(2-fluoro[1,1'-biphenyl]-4-yl)-cyclopropanecarboxylic acid
12/25/2014US20140378692 Method for producing carboxylic acid and alcohol by hydrolysis of ester
12/24/2014CN204039299U 一种高纯度甲酸钠的提纯装置 A cleaning system of a high-purity sodium formate
12/24/2014CN204034315U 葡萄糖酸钠结晶装置 Sodium gluconate crystallization device
12/24/2014CN204034314U 一种葡萄糖酸钠结晶装置 One kind of sodium glucose crystallization device
12/24/2014CN204034313U 一种高效、节能、连续出料的葡萄糖酸钠结晶装置 An efficient, energy saving, continuous discharge of sodium gluconate crystallization device
12/24/2014CN204034300U 一种精馏塔的均布器 The uniform is one kind of distillation column
12/24/2014CN104245658A 生产甲基丙烯酸及其衍生物的工艺以及由该工艺生产的聚合物 Process and polymers produced by the process of production of methacrylic acid and its derivatives
12/24/2014CN104245657A 丙烯酸生产方法 Acrylic acid production method
12/24/2014CN104245656A 由木质纤维素生物物质生产乙酰丙酸的方法 From lignocellulosic biomass production of levulinic acid method
12/24/2014CN104245651A 用于生产乙酸和二甲醚的方法 The method of production of acetic acid and dimethyl ether is used
12/24/2014CN104245650A 用于生产乙酸和二甲醚的催化剂和方法 Acetic acid and the catalyst and process for the production of dimethyl ether
12/24/2014CN104245641A 烃转化方法 Hydrocarbon conversion process
12/24/2014CN104245127A 成形催化剂的制造方法及使用该成形催化剂的二烯或不饱和醛和/或不饱和羧酸的制造方法 The manufacturing method of the catalyst and the use of the shaped catalyst diene or unsaturated aldehydes and / or method for producing an unsaturated carboxylic acid
12/24/2014CN104231274A 一种表面活性有机硅室温离子液体及合成方法 A surface-active silicone room temperature ionic liquids and synthetic methods
12/24/2014CN104230812A 一种咪唑类手性离子单体及其制备方法 An imidazole chiral ionic monomer and its preparation method
12/24/2014CN104230738A 藻类水热产乙酰胺的方法和装置 Hydrothermal acetamide algae production method and apparatus
12/24/2014CN104230730A L-鸟氨酸苯乙酸盐及其制备方法 L- ornithine, phenylacetate and its preparation method
12/24/2014CN104230704A 一种光氯化合成间/对苯二甲酰氯的方法 Inter photochlorination Synthesis / terephthaloyl chloride method
12/24/2014CN104230703A 一种高纯度苯甲酰氯的合成方法 A high-purity synthetic methods benzoyl chloride
12/24/2014CN104230701A 内消旋酒石酸的合成方法 Synthesis of meso-tartaric acid
12/24/2014CN104230700A 一步合成法制备乳酸钙生产工艺 Preparation step synthesis of calcium lactate production process
12/24/2014CN104230699A 离子交换树脂法从青蒿素生产废料中分离精制二氢青蒿酸 Ion exchange resin separation and purification dihydrogen artemisinic acid waste from the production of artemisinin
12/24/2014CN104230698A 一种1-环己烯基乙酸的合成方法 One kind of 1- synthesis cyclohexenyl acetic acid
12/24/2014CN104230697A 萃取三十烷酸的方法 Acid extraction methods triacontanoic
12/24/2014CN104230696A 一种从蟛蜞菊中分离纯化三十烷酸的方法 An isolated and purified from Wedelia acid method triacontanoic
12/24/2014CN104230695A 一种一水柠檬酸晶体及其生产方法 One kind of citric acid monohydrate crystal and its production method
12/24/2014CN104230694A 3-(环丙基-1-烯基)-丙酸钠盐的合成方法 3- (cyclopropyl-1-enyl) - propionic acid sodium salt Synthesis Method
12/24/2014CN104230693A 蒎酮酸的制备方法 Keto acid preparation pinene
12/24/2014CN104230692A 3,3-二甲基-1,2-环丙烷二羧酸的制备方法 3,3-dimethyl-1,2-cyclopropane-dicarboxylic acid preparation
12/24/2014CN104230654A 一种烯烃催化氧化制备醛、酮、酸的方法 A process for preparing an olefin catalytic oxidation of aldehyde, ketone, acid
12/24/2014CN104230612A 一种酰氯的连续合成装置及合成方法 A carboxylic acid chloride synthesis apparatus and the continuous synthesis method
12/24/2014CN104226368A 甲基芳烃氧化含溴化萘催化剂体系 Methyl bromide-containing naphthalene aromatic oxidation catalyst system
12/24/2014CN104226328A 用于丙烯酸合成的催化剂、制备方法及丙烯酸合成方法 Catalysts for the synthesis of acrylic acid, acrylic acid synthesis and preparation methods
12/24/2014CN104226317A 一种催化剂及其制备方法和用途 A catalyst preparation method and use
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