Patents
Patents for C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides (11,473)
05/2012
05/10/2012WO2012030181A3 Accelerator for preparation of natural gas hydrate
05/10/2012US20120116121 Process for the sulfochlorination of hydrocarbons
05/10/2012CA2816415A1 Phenyl-substituted bicyclooctane-1,3-dione-derivatives
05/09/2012EP2448913A2 Continuous method for acylating amino group-carrying organic acids
05/09/2012CN202212190U Reactor for resorcinol neutralization reaction station
05/09/2012CN102442888A Method for producing 1,5-dihydroxy naphthalene
05/09/2012CN102441338A Sulfonate aralkyl anionic-nonionic surfactant and synthesis method thereof
05/09/2012CN102441312A Recyclable ionic liquid type carbon dioxide absorbent and preparation method thereof
05/09/2012CN101570584B Polymer having a sulfonic group or a sulfonate group and an amide group and method of producing same
05/09/2012CN101333177B Process for producing taurine drying and sterilizing by microwave and high-efficiency ebullition
05/09/2012CN101318917B Long chain (C18-C12) linear alkyl benzene sulfonate and method of preparing the same
05/09/2012CN101279937B Alkyl phenol sulfonic polyoxyethylene ether sulfonate and preparation thereof
05/08/2012US8173820 Compounds which potentiate the AMPA receptor and uses thereof in medicine
05/08/2012US8173350 Oxime compound and resist composition containing the same
05/02/2012EP2445871A1 Fluorosurfactants
05/02/2012EP1716096B1 Synthesis of sterically hindered secondary aminoether alcohols
05/02/2012CN102438981A Synthesis of 1-amino-1,3,3,5,5-pentamethylcyclohexane mesylate
05/02/2012CN102433564A Preparation method of Schiff-base corrosion inhibitor by condensation of o-oxy-acetate-benzaldehyde and substituted aniline
05/02/2012CN102433028A Azo red active dye and intermediate thereof
05/02/2012CN102432508A Synthetic method of 3-amino propane sulfonic acid
05/02/2012CN102432507A Preparation method for ion-pair chromatography reagent sodium heptanesulfonate
05/02/2012CN102432497A Synthesis and application of bis-o-substituted acrylate azobenzene containing intramolecular hydrogen bonds
05/02/2012CN101709044B Preparation method of purple active dye for wool
05/01/2012US8168826 Method of producing highly functionalized 1,3-diamino-propan-2-ols from solid support
05/01/2012US8168816 Method for producing purified formylcyclopropane compound and intermediate of such formylcyclopropane compound
04/2012
04/26/2012WO2012054097A1 Use of an acetic acid wash to prepare low-sulfate 5-sulfoisophthalic acid, mono-lithium salt
04/26/2012WO2012053565A1 PROCESS FOR PRODUCING OPTICALLY ACTIVE β-AMINO ALDEHYDE COMPOUND
04/26/2012US20120101012 Ashless or Reduced Ash Quaternary Detergents
04/26/2012US20120100184 Synthesis of 1-amino-1,3,3,5,5,-cyclohexane mesylate
04/26/2012CA2815049A1 Use of an acetic acid wash to prepare low-sulfate 5-sulfoisophthalic acid, mono-lithium salt
04/25/2012CN202201846U Tubular continuous naphthtalene-2,7-disulfonic acid nitrifying device in H acid production
04/25/2012CN102424665A 一种1-取代高牛磺酸的制备方法 Preparation of 1-substituted one kind of high taurine
04/25/2012CN102423637A 一种用于提纯樟脑磺酸液的膜分离系统及提纯方法 A solution of camphorsulfonic acid purification system and a membrane separation process for purification
04/25/2012CN102153551B 基于吲唑或氮杂吲唑的双芳基脲或硫脲类结构抗肿瘤药物 Bis-aryl urea or thiourea-based structure antineoplastic or aza-indazole indazole
04/24/2012US8163956 Inhibitors of GLYT1 transporters
04/24/2012US8163951 Method for producing quaternary ammonium compounds
04/19/2012WO2012049345A1 Method for capturing isocyanides
04/19/2012US20120095143 Dispersion and retrieval of de-bundled nanotubes
04/19/2012US20120094890 Process Compositions and Production of Acyl Alkylisethionate Compositions
04/18/2012CN202193746U 生产琥珀酸酯磺酸钠的自动化控制装置 Sodium succinate production automation control devices
04/18/2012CN102421739A 羧酸化合物 Carboxylic acid compound
04/18/2012CN102417471A 4-氨基-2-磺酸基苯甲酸的制备方法 Preparation of 4-amino-2-sulfonic acid group
04/18/2012CN101876818B 萘磺酸钠系列产品生产装置的自动化控制方法 Automation naphthalene sulfonate series production unit
04/12/2012WO2012045849A1 Method for the preparation of (3s,3s') 4,4'-disulfanediylbis (3-aminobutane 1-sulfonic acid)
04/12/2012CA2813834A1 Method for the preparation of (3s,3s') 4,4'-disulfanediylbis (3-aminobutane 1-sulfonic acid)
04/11/2012EP2439192A1 Method for the preparation of (3S,3S') 4,4'-disulfanediylbis (3-aminobutane 1-sulfonic acid)
04/11/2012CN202185308U 一种外循环换热的烷基磺酰氯反应装置 One kind of outer loop heat exchanger alkyl chloride reactor
04/11/2012CN102414304A 脂肪酸烷基酯磺酸盐金属盐粉末混合物及其制造方法 Metal salts of fatty acid alkyl ester sulfonate powder mixture and its manufacturing method
04/11/2012CN102414172A α-磺基脂肪酸烷基酯脂肪族醇胺盐的制造方法 method for producing α- sulfo fatty acid alkyl ester amine salt of an aliphatic alcohol
04/11/2012CN102408442A 2-二苯基膦苯甲酰基取代的杯[4]芳烃的合成方法和应用 2- diphenylphosphino benzoyl substituted calix [4] arene of synthetic methods and application
04/11/2012CN102408364A 一种制备对甲苯磺酰氯的方法 A method for the preparation of p-toluenesulfonyl chloride
04/11/2012CN102408363A Method for synthesizing busulfan
04/11/2012CN102408362A 一种还原6-氯-3-氨基甲苯-4-磺酸生产clt酸的方法 A 6-chloro-3-amino-toluene-4-sulfonic acid method for reducing acid production clt
04/11/2012CN102408361A 一种烷基苯磺酸脱色工艺 One kind of benzene sulfonic acid decolorization
04/11/2012CN102408360A 一种牛磺酸的制备方法 Preparation method of taurine
04/11/2012CN102408286A 一种n,n-二取代磺酰胺类化合物的制备方法 One kind of n, n- disubstituted sulfonamide compounds prepared
04/11/2012CN102408285A 一种甲苯衍生物的苄基碳氢直接胺化方法 Toluene derivative Benzyl hydrocarbon direct amination
04/11/2012CN101835881B 脂肪酸烷基酯磺酸盐金属盐固形物及粒度分布尖锐的脂肪酸烷基酯磺酸盐金属盐粉末的制造方法 Metal salts of fatty acid alkyl ester sulfonates, and sharp particle size distribution of the solid fatty acid alkyl ester sulfonate salt powder manufacturing method
04/04/2012CN102405189A Fluorosulfonyl imide salt and method for producing fluorosulfonyl imide salt
04/04/2012CN101849930B 一种治疗心脑疾患的化学药物及其制备方法 A heart and brain diseases and its preparation method of treatment chemicals
04/04/2012CN101337914B 一种牛磺酸和取代牛磺酸的制备方法 Taurine Taurine and replace one kind of preparation
04/04/2012CN101155777B 二磺酰氟化合物的制造方法 Second method for manufacturing the compounds of sulfonyl fluoride
04/03/2012CA2593010C Process for the preparation of tamsulosin and intermediates thereof
03/2012
03/29/2012WO2012039025A1 Process for producing perfluoroalkylsulfonamide
03/29/2012WO2012039024A1 Method and device for recovering perfluoroalkanesulfonyl fluoride
03/29/2012US20120078008 Process for Reducing Inorganics from and Concentrating Anionic Surfactant Solutions
03/28/2012CN102391162A Three fluorescence complexes formed on basis of Eu (III) and chlorosulfonation four-tooth Beta-diketone ligands and application thereof
03/28/2012CN102391161A Process for preparing amino G acid
03/28/2012CN102391160A Metformin and 2,5-dihydroxybenzene sulfonate, and compound recipe composition thereof
03/28/2012CN102391159A Process and system for recovering sulfonic acid mother liquor by dewatering
03/28/2012CN102391158A Preparation method of isooctanol polyoxypropylene ether sodium sulfosuccinate diester
03/28/2012CN102391061A Method for preparing diaryl amine compound from 3-methyl dehydroshikimate
03/28/2012CN102389807A Multi-metal supported catalyst, and preparation and application thereof
03/28/2012CN102389745A Preparation method of fluorine-containing double-type cationic surfactant and use thereof
03/28/2012CN101550095B Method for preparing overbased synthesized heavy alkyl benzene calcium sulfonate
03/28/2012CN101550094B Method for preparing important monomer dihalo-disulfonic acid benzophenone of sulfonated polyetheretherketone and salt thereof
03/28/2012CN101193856B Manufacture of hydrofluoroalkanesulfonic acids
03/27/2012US8143432 Process for regioselective mono-tosylation of diols
03/22/2012US20120071640 Sulfurizing reagents and their use for oligonucleotides synthesis
03/21/2012CN102382018A Preparation process of sulfonyl amino-benzene hydrazine
03/21/2012CN102382017A Fluorosulfonyl group-containing compound, method for its production and polymer thereof
03/21/2012CN102382016A Method for synthesizing taurine ethyl ester
03/21/2012CN102382015A Method for preparing sulfated methyl ester by ionic liquid catalysis method
03/21/2012CN102382010A Preparation process for 4- bromo phenyl hydrazine
03/21/2012CN102381988A Method for preparing intermediate compound of Rivastigmine and intermediate compound
03/21/2012CN102381795A Separation and extraction method for caprolactam, cyclohexane carboxylic acid, cyclohexane carboxylic sulfonic acid and organic oil in waste liquid generated in caprolactam production by toluene method
03/21/2012CN102380330A Cathode-non-amphoteric ion type gemini surfactant and synthesis method
03/20/2012US8138218 Growth hormone secretagogues
03/20/2012CA2504410C Bifunctional phenyliso(thio)cyanates; method and intermediate products for the production thereof
03/15/2012WO2012033798A1 Purification of fluoroalkanesulfonate salts
03/15/2012WO2011161646A3 Process for the preparation of alvimopan or its pharmaceutically acceptable salt or solvate thereof
03/15/2012CA2809281A1 Purification of fluoroalkanesulfonate salts
03/14/2012CN102378755A Method for producing imidic acid compound
03/14/2012CN102372719A Pemetrexed methyl ester p-toluenesulfanate crystal form and preparation method thereof
03/14/2012CN102372658A Fatty alcohol-polyoxyethylene ether benzene sulfonate and preparation method thereof
03/13/2012US8134027 Sulfonylimide salt and method for producing the same
03/13/2012US8134020 Polymerization of hydroxytyrosol mediated by horseradish peroxidases
03/13/2012CA2528174C Process for the preparation of cpla2 inhibitors
03/08/2012WO2012030181A2 Accelerator for preparation of natural gas hydrate
03/08/2012WO2012029411A1 Method for producing biaryl compound
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