Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
02/2015
02/04/2015EP2832717A1 Method for producing acrylic acid and acrolein using fixed-bed multitubular reactor
02/04/2015EP2831040A1 Process for recovering and recycling an acid catalyst
02/04/2015EP2831031A1 Hydrocarboxylation of methylene dipropionate in the presence of propionic acid and a heterogeneous catalyst
02/04/2015EP2831030A1 Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and a heterogeneous catalyst
02/04/2015EP2831029A1 Hydrocarboxylation of methylene dipropionate in the presence of a propionic acid and a homogeneous catalyst
02/04/2015EP2831028A1 New method for synthesising mucic acid using ozone
02/04/2015EP2831027A1 A process for separating aryl carboxylic acids
02/04/2015EP2831026A1 Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and a homogeneous catalyst
02/04/2015EP2830758A1 Process for making ethylene and acetic acid
02/04/2015EP2830753A1 Method for hydrolysing acetone cyanohydrin
02/04/2015CN204138568U 防堵塞的pta配料加热系统 Anti-clogging ingredients pta heating system
02/04/2015CN204138567U Pta浆料的配料换热系统 Pta paste ingredients heat exchange system
02/04/2015CN204134351U 不易混料和堵塞的pta过滤系统 Pta easy mixing and clogging filtration system
02/04/2015CN204134350U 不易混料的pta过滤装置 Easy to blend pta filtration device
02/04/2015CN104334520A 乳酸的制造方法 The method for producing lactic acid
02/04/2015CN104334519A 含水甲醛使用脱水再循环料流氢羧基化以降低水浓度 Aqueous formaldehyde using a dehydrating recycle hydrogen stream to reduce the water concentration carboxylated
02/04/2015CN104327494A 一种聚酰胺用热氧化稳定添加剂 A polyamide by thermal oxidation stabilizer additives
02/04/2015CN104326926A 一种琥珀酸美托洛尔的新晶型及其制备方法 One kind of new crystalline form of metoprolol succinate and its preparation method
02/04/2015CN104326923A 一种琥珀酸去甲文拉法辛的合成方法 One method of synthesis to desvenlafaxine succinate
02/04/2015CN104326907A 一种降解回收不饱和聚酯树脂材料的方法 A method for recovering degradation of unsaturated polyester resin material
02/04/2015CN104326904A 一种用于选择性吸附硫化物的金属有机骨架材料的制备方法 A process for the selective adsorption of metal sulfide materials for organic framework
02/04/2015CN104326903A 一种高纯度洛索洛芬钠二水合物的工业化生产方法 A method for the industrial production of high purity loxoprofen sodium dihydrate
02/04/2015CN104326902A 一种高纯柠檬酸锰颗粒的生产工艺 Citric acid production process for high purity manganese particles
02/04/2015CN104326901A D-乙酯生产中回收和套用l-(+)-酒石酸的方法 Methods of tartaric acid - D- ester production recovery and apply l - (+)
02/04/2015CN104326900A 乳酸提取新工艺 Lactic acid extraction of new technology
02/04/2015CN104326899A 乳酸脱糖新工艺 Lactic acid from sugar new technology
02/04/2015CN104326898A 一种外消旋2-苯基丁酸的手性拆分方法 One kind of racemic 2-phenyl butyric acid chiral separation method
02/04/2015CN104326897A 一种氯乙酸连续结晶的方法 One kind of acid continuous crystallization method
02/04/2015CN104326861A 具有聚集诱导发光性质的1,3-二烯类衍生物的制备方法 AIE has prepared the nature of 1,3-diene derivatives
02/04/2015CN104324746A 一种金属改性zsm-5分子筛催化剂及其应用 Metal modified zsm-5 zeolite catalysts and its application
02/04/2015CN103553898B (甲基)丙烯酸酐的制造方法和保存方法、以及(甲基)丙烯酸酯的制造方法 (Meth) acrylic anhydride and preservation method, and method for producing (meth) acrylate
02/04/2015CN103254063B 水合d-酒石酸铈铁电功能材料及其制备方法 D- tartrate hydrated cerium Ferroelectric Materials and Preparation
02/04/2015CN103193624B 一种手性柱材料对酒石酸对映体的识别分离方法和应用 A chiral column material identification and application of tartaric acid separation of enantiomers
02/04/2015CN103191706B 2,5二羟基苯甲酸分子印迹膜的制备方法及其应用 2,5-dihydroxybenzoic acid molecularly imprinted membrane preparation method and its application
02/04/2015CN103183608B 次水杨酸铋的制备方法 Preparation of bismuth subsalicylate
02/04/2015CN103159610B 一种合成苯氧羧酸类除草剂原药的方法 A method of synthesis of phenoxy acid herbicides original drug
02/04/2015CN103145549B 一种2,4-二氯苯氧乙酸的合成方法 A method of synthesis of 2,4-dichlorophenoxyacetic acid
02/04/2015CN103100260B 一种高效分离木质纤维素发酵醪中固体残渣和产物的方法 An efficient method for the separation of lignocellulose fermentation mash solid residue and the product
02/04/2015CN102838482B 一种3,6-二氯水杨酸的制备方法 Method for preparing 3,6-dichloro-salicylic
02/04/2015CN102701947B 一种衣康酸发酵液的脱色方法 An decolorization method of itaconic acid fermentation broth
02/04/2015CN102659541B 丙烯醛的纯化方法及制备处理系统 Purification method for preparing acrolein and processing system
02/04/2015CN102336645B 颗粒状的硬脂酸盐及其制备方法和应用 Granular stearate and its preparation method and application
02/04/2015CN102046580B 制备氧联二邻苯二甲酸酐的方法 Preparation oxydisuccinic phthalic anhydride
02/04/2015CN101495444B 用于制备光学活性环丙胺的方法 Methods for the preparation of optically active cyclopropylamine
02/03/2015US8946473 Methods of making L-ornithine phenyl acetate
02/03/2015US8946472 Bio-based terephthalate polyesters
02/03/2015US8946471 Process for oxidizing an alkyl-aromatic compound
02/03/2015US8946470 Method for the oxidation of unsaturated organic compounds
02/03/2015US8946469 Process for preparing isopimaric acid
02/03/2015US8946462 Process for preparing formic acid by reaction of carbon dioxide with hydrogen
02/03/2015CA2705425C Terephthalic acid composition and process for the production thereof
02/03/2015CA2684558C Process for the carbonylation of dimethyl ether
02/03/2015CA2684548C Process for the carbonylation of dimethyl ether
01/2015
01/29/2015WO2015012876A1 Improved use of byproduct acetic acid from oxidative methods of making acrylic acid and/or methacrylic acid
01/29/2015WO2015012392A1 Catalyst for manufacturing acrylic acid and/or acrylate from lactic acid and/or derivative thereof, and method for manufacturing acrylic acid and/or acrylate
01/29/2015WO2015011048A1 Method and system for distributing liquid in (meth)acrylic monomer process vessels
01/29/2015WO2015011018A1 Process for manufacturing a cleaved product from a ricinic compound
01/29/2015WO2015010666A2 Phenol derivative and use thereof
01/29/2015US20150031913 Process For Production Of Acrylic Acid Or Its Derivatives From Hydroxypropionic Acid Or Its Derivatives
01/29/2015US20150031912 Process For Production Of Acrylic Acid Or Its Derivatives From Hydroxypropionic Acid Or Its Derivatives
01/28/2015EP2829532A1 Hydroxyphenyl acrylate monomers and polymers
01/28/2015EP2829530A1 Method for the preparation of phenols
01/28/2015CN104321300A 脂肪酸的2-羟基衍生物的对映体 Enantiomer of 2-hydroxy fatty acid derivative
01/28/2015CN104321299A 使甘油反应形成有机盐的方法 Glycerol to form an organic salt
01/28/2015CN104321298A 从羧酸镁混合物中回收羧酸 Carboxylic acids recovered from a mixture of magnesium
01/28/2015CN104312520A 一种高固含量的两性水性聚氨酯鞋用胶黏剂及其制备方法 A high-solids content of gender waterborne polyurethane adhesive for shoes and its preparation method
01/28/2015CN104311875A 一种稀土热稳定剂及其制备方法 Rare earth heat stabilizer and its preparation method
01/28/2015CN104311589A 对羧酸基丙酰胺苯基氧化硅、其共固定化l-乳酸脱氢酶复合物及其制备方法 Carboxylic acid-amide phenyl silica, its co-immobilized l- lactate dehydrogenase complex and its preparation method
01/28/2015CN104311517A 多取代菲环类他汀内酯脱水化合物及其用途 Poly-substituted phenanthrene ring lactone class of statin compounds and their uses dehydration
01/28/2015CN104311420A 生物油一锅法制备多元醇的方法及应用 Bio-oil polyols prepared pot method and its application
01/28/2015CN104311412A 柠檬酸氢二铵的生产方法 Citric acid, diammonium hydrogen production methods
01/28/2015CN104311411A 多级酸水解制备乙酰丙酸的方法 Levulinic acid hydrolysis method for preparing a multi-stage
01/28/2015CN104311410A 一种连续精制脂肪酸的方法 A continuous method for refining fatty acids
01/28/2015CN104311409A 一种α-酮缬氨酸钙的新的制备工艺 The new process for the preparation of calcium α- ketone valine
01/28/2015CN104311408A 4,4'-二苯醚二甲酸的制备方法 Preparation of 4,4'-diphenyl ether dicarboxylic acid
01/28/2015CN104307558A 一种催化丙糖异构化为乳酸和乳酸酯的催化剂及其制备方法和应用 A catalytic isomerization of triose lactic acid and lactate catalyst preparation method and application
01/28/2015CN104307514A 一种二氧化钛/二氧化硅复合球壳包裹纳米金催化剂及其制备方法 A two-titania / silica composite spherical shell wrapped in gold nano-catalyst and preparation method
01/28/2015CN103288625B 一种对微生物发酵生产1,3-丙二醇得到的混合有机盐提纯的方法 A method of microbial fermentation mixed organic salts obtained purified 1,3-propanediol production
01/28/2015CN103193632B 一种水杨酸咪唑的合成方法 One method of synthesis of imidazole salicylate
01/28/2015CN103058854B 一种参芎葡萄糖注射液制备过程中将丹酚酸b转化为丹参素的方法 An Shenxiong glucose Sal b process will translate into Danshensu injection preparation method
01/28/2015CN102964242B 一种柠檬酸晶体及其生产方法 One kind of citric acid crystals and production methods
01/28/2015CN102766041B 一种水杨醛衍生物中间体的制备方法 Method for preparing intermediates salicylaldehyde derivatives
01/28/2015CN102596879B 制备1-(2-卤代联苯-4-基)-环丙烷羧酸的衍生物的方法 Cyclopropanecarboxylic acid derivative method - 1- (2-halo-biphenyl-4-yl)
01/28/2015CN102348672B 醇解法化学回收聚乳酸 Alcoholysis chemical recycling of polylactic acid
01/28/2015CN101801902B 由甘油制造丙烯醛的方法 The method of producing acrolein from glycerol
01/27/2015US8940934 Production process of α-hydroxy acids
01/27/2015US8940933 Method for producing polyoxyalkylene alkyl ether carboxylic acid and salt thereof
01/27/2015US8940932 Process for producing acetic acid
01/27/2015US8940931 Production method for refined 6-bromo-2-naphthalenecarboxylic acid product
01/27/2015US8940930 Treprostinil production
01/27/2015US8940929 Preparation method of high-optical purity N2-[1 -(S)-ethoxycarbonyl-3-phenylpropyl]-N6-trifluoroacetyl-L-lysine
01/27/2015US8940924 Mixed oxide catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters
01/27/2015US8940923 Method for the synthesis of diacids or diesters from natural fatty acids and/or esters
01/27/2015US8940658 Catalyst for producing unsaturated carboxylic acid and a process for producing unsaturated carboxylic acid using the catalyst
01/27/2015US8940255 Oxidation system with sidedraw secondary reactor
01/27/2015CA2672505C Process for preparing 1-(2-ethyl-butyl)-cyclohexanecarboxylic acid
01/22/2015WO2015008815A1 Method for producing unsaturated aldehyde and/or unsaturated carboxylic acid
01/22/2015WO2015008814A1 Method for manufacturing unsaturated aldehyde and/or unsaturated carboxylic acid
01/22/2015WO2015008729A1 Method for producing oxide
01/22/2015WO2015007909A1 Thermal conversion vessel used in a process for amidification of acetone cyanohydrin
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