| 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) | 
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| 12/15/2010 | CN101250141B Method for preparing tobias acid by effective components extracted from waste water of tobias acid production | 
| 12/15/2010 | CN101172959B N,N*-2[fluoroform (oxygen) group] substituted phenyl derivant of 4-methoxy-1,3-benzene diamide and uses of the same | 
| 12/14/2010 | US7851524 phosphonium salts of ether sulfonates or of sulfobenzoate-endcapped polydimethylsiloxane melt blended with a thermoplastic resin; repels dust, prevents fire caused by static electricity sparks; such as automotive headlights or plastic conveyor belts | 
| 12/14/2010 | CA2456531C Process for the preparation of 4-(imidazole-1-yl)benzenesulfonamide derivatives | 
| 12/08/2010 | EP2258679A2 Sulfonated estolides and other derivatives of fatty acids, methods of making them, and compositions and processes employing them | 
| 12/08/2010 | EP2257495A1 Sulfonylimide salt and method for producing the same | 
| 12/08/2010 | CN101906057A Method for preparing CLT acid (6-chloro-3-aminotoluene-4-sulfoacid) by utilizing o-chlorotoluene direct nitrification method | 
| 12/08/2010 | CN101284807B Preparation method of tamsulosin | 
| 12/08/2010 | CN101195593B Industrial production method of alkylbenzene sulfonyl chloride | 
| 12/08/2010 | CN101058552B Double-functional group ionic liquid and preparation method | 
| 12/08/2010 | CN101039928B Method for cleaning 3-hydroxyamidinophenylalanine derivatives by the precipitation and recrystallisation of a salt and an aromatic sulphonic acid | 
| 12/02/2010 | US20100305353 Method for producing purified formylcyclopropane compound and intermediate of such formylcyclopropane compound | 
| 12/01/2010 | CN101898988A Salt and photoresist composition containing the same | 
| 12/01/2010 | CN101898987A Salt and photoresist composition containing the same | 
| 12/01/2010 | CN101898980A Application of ultrafine powder and nanocrystallization technology in preparation of calcium hydroxybenzosulfonate as raw material | 
| 12/01/2010 | CN101898099A Novel sylvite cardanol surfactant and preparation method thereof | 
| 12/01/2010 | CN101898098A Novel calcium salt cardanol surfactant and preparation method thereof | 
| 12/01/2010 | CN101602696B Preparation method of calcium sulfonate salt with low alkali value | 
| 12/01/2010 | CN101255126B Preparation of taurine and derivatives thereof | 
| 12/01/2010 | CN101200440B Enantiopure 4,4',6,6'-tetrakis (trifluorome-thyl)-biphenyl -2,2'-diamine as well as intermediate and preparation method thereof | 
| 11/30/2010 | US7842838 Pyrro[1,2-b]pyridazinone intermediates | 
| 11/30/2010 | CA2426277C Process for preparation of optically active sulfonamides and intermediates for their synthesis | 
| 11/30/2010 | CA2335477C Sulfonamide inhibitors of aspartyl protease | 
| 11/24/2010 | EP2252580A1 Process for the production of alfa-sulfo fatty acid esters and their salts | 
| 11/24/2010 | CN101891732A Cyclic carbonate monomer and preparing method thereof | 
| 11/24/2010 | CN101891657A Manufacturing method of chlorosulfonyl isocyanate | 
| 11/24/2010 | CN101891656A Preparation method of anionic surface active agent for binary displacement oil | 
| 11/24/2010 | CN101891655A Method for preparing modified betaine type amphoteric surfactant used for tertiary oil recovery | 
| 11/24/2010 | CN101891654A Low molecular weight quaternary ammonium salt dispersants | 
| 11/18/2010 | US20100292481 Method for producing conjugated aromatic compound | 
| 11/17/2010 | CN101885693A Processing technique for diimide lithium | 
| 11/17/2010 | CN101885692A 5-aminolevulinic acid phosphate salt, process for producing the same and use thereof | 
| 11/17/2010 | CN101885691A Processing technology of trifloromethanesulfonic acid | 
| 11/17/2010 | CN101884954A Novel Li-Be flotation regulator and preparation method and using method thereof | 
| 11/11/2010 | US20100286444 Preparation of 2r,3s-n-isobutyl-n-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide hydrochloride and other derivatives of 2-hydroxy-1,3-diamines | 
| 11/10/2010 | EP2247574A2 Sulfonated estolides and other derivatives of fatty acids, methods of making them, and compositions and processes employing them | 
| 11/10/2010 | EP2137140B1 Novel diazonaphthoquinonesulfonic acid bisphenol derivative useful in photo lithographic sub micron patterning and a process for preparation thereof | 
| 11/10/2010 | EP1996544B1 A method of preparation of (r)-(-)-5(2-aminopropyl)-2-methoxybenzenesulfonamide | 
| 11/10/2010 | EP1773762B1 Methods and compounds for detection of medical disorders | 
| 11/10/2010 | CN201626929U Automatic control device for producing naphthalene sulfonate series products | 
| 11/10/2010 | CN101880248A Synthetic reaction of calcium dobesilate hydrate | 
| 11/10/2010 | CN101880247A Method for producing naphthalene sulfonic formaldehyde condensation compound | 
| 11/10/2010 | CN101698654B Method for preparing functional fluorine-containing monomers by bulk catalysis | 
| 11/04/2010 | US20100276674 Light-emitting Device and Materials Therefor | 
| 11/03/2010 | CN101878197A Method for producing 3-mercaptoaniline compound | 
| 11/03/2010 | CN101876818A Automation control method of production devices of sodium naphthalene sulfonate series products | 
| 11/03/2010 | CN101875666A Optical pure 1,3-alkamine compound as well as preparation method and application thereof in preparing Dapoxetine and analogues thereof | 
| 11/03/2010 | CN101875631A Dye composition | 
| 11/03/2010 | CN101875623A Method for preparing methylsulphonic acid from halogenated methane | 
| 11/03/2010 | CN101875622A Sulfonating process of succinate | 
| 11/02/2010 | US7824918 mono- and bis-substituted 8-hydroxypyrene-1,3,6-trisulfonic acid dyes (HPTA) containing pyrene rings; hydrogels; glucose sensors | 
| 11/02/2010 | US7824839 cationic lactone containing perfluorinated sulfonate or sulfonimides with iodonium or sulfonium anions as photoacid generator, a polyhydroxystyrene homo or copolymer and a solvent (propylene glycol/1,2-/, monoalkyl ether, ethyl lactone ); semiconductor, heat exposure, pattern forming; development | 
| 10/28/2010 | WO2010123060A1 Fatty acid alkyl ester sulfonate metal salt powder mixture and manufacturing method therefor | 
| 10/28/2010 | WO2010123016A1 Carboxylic acid compound | 
| 10/28/2010 | US20100273105 Resist composition, method of forming resist pattern, compound and method of producing the same, acid generator | 
| 10/28/2010 | CA2759690A1 Carboxylic acid compound | 
| 10/27/2010 | EP2242737A1 Pregabalin salts | 
| 10/27/2010 | CN1891705B Method for preparing sulfimidic acid silver | 
| 10/27/2010 | CN101874017A 2-acrylamide-2-methylpropanesulfonic acid and process for producing the same | 
| 10/27/2010 | CN101870667A Synthesis method of sodium nonanoyloxy benzene sulfonate | 
| 10/27/2010 | CN101869815A Preparation of hybrid fluorine-containing surfactant and application in weak cationic fabric three-proof finishing agent | 
| 10/27/2010 | CN101148427B Method for preparing substituted taurine | 
| 10/26/2010 | US7820846 by phosgenation of an aminobenzoylsulfamic acid amide intermediate; prepared from a p-nitrobenzoyl chloride or benzoate and a sulfamic acid amide and reducing the nitrobenzoylsulfamic acid amide; isocyanates are crop protection agents | 
| 10/21/2010 | WO2010118889A1 Synthesis of 1-amino-1,3,3,5,5-pentamethylcyclohexane mesylate | 
| 10/21/2010 | WO2010094674A3 Process for preparing cinacalcet hydrochloride | 
| 10/21/2010 | US20100267987 Process for Preparing Tamsulosin Hydrochloride | 
| 10/21/2010 | CA2758756A1 Synthesis of 1-amino-1,3,3,5,5-pentamethylcyclohexane mesylate | 
| 10/20/2010 | EP1867625B1 Method for producing 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate | 
| 10/20/2010 | CN101863804A Preparation method of high-purity methylsulfonyl chloride | 
| 10/20/2010 | CN101863803A Purification method of byproduct hydrochloric acid | 
| 10/20/2010 | CN101863802A Synthesizing method of N-sulfonyl o-amino benzoyl chloride | 
| 10/20/2010 | CN101863792A Amide oligomer and polyamide paste rheological aid prepared by swelling same | 
| 10/19/2010 | US7816560 N-nonyl-1,5,6-trideoxy-1,5-imino-D-galactitol; N-(7-oxa-nonyl)-1,5,6-trideoxy-1,5-imino-D-galactito; viricide; for treating hepatitis | 
| 10/14/2010 | WO2010116736A1 METHOD FOR PRODUCING ALKANOLAMINE SALT OF α-SULFO FATTY ACID ALKYL ESTER | 
| 10/13/2010 | EP2239251A1 Process for refining 2-aminoethanesulfonic acid from crude 2-aminoethane-sulfonic acid, 2-aminoethanesulfonic acid obtained there from and use thereof | 
| 10/13/2010 | EP2238123A1 Addition reaction to fluoroallylfluorosulfate | 
| 10/13/2010 | CN101857558A Process for refining 2-aminoethanesulfonic acid from crude 2-aminoethane-sulfonic acid, 2-aminoethanesulfonic acid obtained there from and use thereof | 
| 10/13/2010 | CN101856600A Amphoteric ionic Gemini surfactant and synthetic method thereof | 
| 10/12/2010 | CA2478283C Process for trans-4-amino-1-cyclohexanecarboxylic acid derivatives | 
| 10/07/2010 | WO2010114144A1 Trichloro-trifluoro-propylene oxide and method for producing trichloro-trifluoro-propylene oxide | 
| 10/07/2010 | WO2010113835A1 Method for producing imidic acid compound | 
| 10/07/2010 | WO2010113492A1 Fluorine-containing n-alkyl sulfonyl imide compound, manufacturing method therefor, and method of manufacturing an ionic compound | 
| 10/07/2010 | WO2010113458A1 Method for manufacturing benzodiazepine derivative | 
| 10/07/2010 | CA2757208A1 Method for manufacturing 1,5-benzodiazepine derivative | 
| 10/06/2010 | EP2236493A1 Preparation of alkoxysulfates | 
| 10/06/2010 | EP0898606B2 Mid-chain branched primary alkyl alkoxylated sulphate surfactants | 
| 10/06/2010 | CN101851184A Acamprosate agmatine salt and analogue thereof | 
| 10/06/2010 | CN101851183A Method for synthesizing 17-bit fat sulfamic acid substituted hypocrellin derivant | 
| 10/06/2010 | CN101851182A Salt-free preparation method for substituted taurine | 
| 10/06/2010 | CN101851181A Preparation method of 1-substituted taurine | 
| 10/06/2010 | CN101850305A Novel mica inhibitor and preparation method and use method thereof | 
| 10/06/2010 | CN101849930A Chemical medicament for treating cardiac and cerebral diseases and preparation method thereof | 
| 10/06/2010 | CN101696178B Method for preparing fluoro olefin | 
| 10/05/2010 | USRE41806 Process for producing a fluorine atom-containing sulfonyl fluoride compound | 
| 10/05/2010 | US7807850 reacting chloromethylalcohol with sulfonamide, heating; protease inhibitors; high yield without sacrificing purity, without need to isolate Boc-epoxide, improving safety involved with dust explosivity | 
| 10/05/2010 | US7807426 Processes for producing optically active 1-substituted 2-methylpyrrolidine | 
| 09/30/2010 | US20100249411 Stereoselective Alkylation of Chiral 2-Methly-4 Protected Piperazines | 
| 09/29/2010 | EP2233459A1 Method for producing conjugated aromatic compound | 
| 09/29/2010 | EP1642890B1 Process for production of fluorinated sulfonyl fluorides | 
| 09/29/2010 | CN1821217B Process for producing trans-4-amino-1-cyclohexanecarboxylic acid derivative |