| 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) |
|---|
| 11/13/2013 | CN102408286B Preparation method of N,N-disubstituted sulfonamide compound |
| 11/13/2013 | CN102329255B Process for synthesizing fomesafen through directional nitration |
| 11/13/2013 | CN102219715B Method for preparing medicinal high-purity calcium dobesilate |
| 11/13/2013 | CN101973914B Method for preparing salt-free 2-amino-1,5-naphthalenedisulfonic acid |
| 11/12/2013 | US8580998 Preparation of alkenes by mild thermolysis of sulfoxides |
| 11/12/2013 | US8580723 Process compositions and production of acyl alkylisethionate compositions |
| 11/12/2013 | US8580220 Method for producing bis(fluorosulfonyl)imide salt, method for producing fluorosulfate, and method for producing bis(fluorosulfonyl)imide onium salt |
| 11/07/2013 | WO2013163889A1 New intermediate compound for preparing vitamin b6 |
| 11/06/2013 | EP2660196A1 Manufacturing method for fluorosulfonylimide ammonium salt |
| 11/06/2013 | EP2658946A2 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil |
| 11/06/2013 | CN203269827U Low-cost low-corrosion preparation system of octadecyl benzene sulfonic acid |
| 11/06/2013 | CN103383372A Lead ion-sensitive membrane with poly(sulfonated aminoanthraquinone) as carrier and lead ion-selective electrode |
| 11/06/2013 | CN103382170A Preparation method for taurine |
| 11/06/2013 | CN103382169A Emodin methyl sulfonic ester, and preparation method and applications thereof |
| 11/06/2013 | CN102617410B Method for purifying 3,4,5,6-tetrahalogenated phenolsulfonphthalein |
| 11/06/2013 | CN102500395B TiO2-loaded Ni-Au-Pt nanometer composite metal catalyst and preparation method and application |
| 11/06/2013 | CN102452961B Diallyl monomer and polymer thereof and preparation method thereof |
| 11/06/2013 | CN102365266B Fluorine-containing n-alkyl sulfonyl imide compound, manufacturing method therefor, and method of manufacturing an ionic compound |
| 11/06/2013 | CN102304069B Method for synthesizing saturated cardanol sulfonate surfactant for oil displacement |
| 11/06/2013 | CN101955448B Amide group-containing hydroxysulfobetaine and preparation and application thereof |
| 11/06/2013 | CN101935294B Method for recycling two main by-products in C acid production |
| 11/06/2013 | CN101786971B Preparation process of doxycycline hydrochloride |
| 10/31/2013 | WO2013132520A4 Cucn-mediated one pot production of cinnamonitrile derivatives |
| 10/30/2013 | EP2655321A1 Purification of precursor compound by crystallisation |
| 10/30/2013 | EP2655320A1 Process simplification for precursor compound |
| 10/30/2013 | CN103380107A Bio-based linear alkylphenyl sulfonates |
| 10/30/2013 | CN103374341A Preparation method and application of gemini amphiphilic surfactant |
| 10/30/2013 | CN103373945A Method for regulating and controlling product distribution in process of producing mahogany petroleum sulfonate through micro-reaction system |
| 10/30/2013 | CN103373944A Synthesis method for 1,4-dyhydroxyl-9,10-anthraquinone-2-sulfonic acid |
| 10/30/2013 | CN103373939A 4-methoxy-N, N'-bisubstituted phenyl-1, 3-benzene diamide compounds as well as preparation method and application thereof |
| 10/30/2013 | CN103373938A 4-ethoxy-1,3-phenylenedimethylene amide compounds as well as preparation methods and applications thereof |
| 10/30/2013 | CN102382015B Method for preparing sulfated methyl ester by ionic liquid catalysis method |
| 10/30/2013 | CN102372719B Pemetrexed methyl ester p-toluenesulfanate crystal form and preparation method thereof |
| 10/30/2013 | CN102329253B Reaction apparatus for resorcinol neutralization reaction section and reaction technology thereof |
| 10/30/2013 | CN102285905B Method for synthesizing taurine |
| 10/30/2013 | CN102249957B Method for producing 2B acid through sulfonation of 2B oil |
| 10/30/2013 | CN102199121B 4-(4-(3-trifluoro methyl) benzamido phenoxyl)-2-(methyl carbamyl) pyridine salt, its preparation method and application |
| 10/30/2013 | CN102153483B Axial chirality vicinal diamine compound and preparation method thereof |
| 10/30/2013 | CN102076658B Method for sulphonylation of hydroxylated organic compound |
| 10/30/2013 | CN101747244B Method for synthesizing perfluoroalkyl sulfimide alkali metal salt and ionic liquid synthesized by same |
| 10/29/2013 | US8569378 p27 protein inducer |
| 10/29/2013 | CA2621640C Optically active diamine derivative and process for producing the same |
| 10/24/2013 | WO2013158219A1 Cellulose hydrolysis via modified lignosulfonate catalysts |
| 10/23/2013 | CN203247215U System for recycling waste heat during production of dimethyl sulfate |
| 10/23/2013 | CN103360392A Dolasetron mesylate compound |
| 10/23/2013 | CN103360358A 15-oxospiramilactone derivatives, and preparation method and applications thereof |
| 10/23/2013 | CN103360341A Tertiary leucine derived chiral amine compound as well as preparation method and application thereof |
| 10/23/2013 | CN103360286A Simple preparation method for sulfonyl chloride |
| 10/23/2013 | CN103360285A Production technology of dispersing agent MF (melamine-formaldehyde resin) |
| 10/23/2013 | CN103360270A Serine derived chiral amine compound as well as preparation method and application thereof |
| 10/22/2013 | CA2762014C Improved process for the preparation of stabilized polyalkenyl sulfonic acids |
| 10/22/2013 | CA2599169C Synthesis of (e)-alpha, beta unsaturated sulfides, sulfones, sulfoxides and sulfonamides |
| 10/16/2013 | EP2648831A1 Process for reducing inorganics from anionic surfactant solutions |
| 10/16/2013 | CN103351315A General preparation method of sulfonyl chloride |
| 10/16/2013 | CN102718686B N, N'-di(alpha-carboxylic acid ester group) sulfamide compound and preparation method and application |
| 10/16/2013 | CN102675145B Preparation method of guaiacol sulfonate doxycycline |
| 10/16/2013 | CN102093264B Method for preparing m-carboxyl benzenesulfonic acid |
| 10/15/2013 | US8557872 Compounds, isomer thereof, or pharmaceutically acceptable salts thereof as vanilloid receptor antagonist; and pharmaceutical compositions containing the same |
| 10/10/2013 | US20130267730 Purificiation of precursor compound by crystallisation |
| 10/09/2013 | CN203227493U Gas-liquid mixing reactor |
| 10/09/2013 | CN103347811A Process for production of fluorosulfonylimide ammonium salt |
| 10/09/2013 | CN103342670A Purifying method of sodium paeonolsilate |
| 10/09/2013 | CN103342669A Simple method for extracting natural taurine |
| 10/09/2013 | CN103342668A Simple method for extracting natural taurine from abalone viscera |
| 10/09/2013 | CN103342653A Preparation method and application of chalcone amide derivatives |
| 10/09/2013 | CN102351621B Method for preparing N-sulfonyl amidine |
| 10/09/2013 | CN101402592B Stone oil sulphonic acid, its salt, preparation method and uses thereof |
| 10/08/2013 | US8552080 Polyurethane foams |
| 10/08/2013 | US8552050 Activators of pyruvate kinase M2 and methods of treating disease |
| 10/08/2013 | CA2473938C Human adam-10 inhibitors |
| 10/03/2013 | WO2013148497A1 Process for recovering and recycling an acid catalyst |
| 10/03/2013 | US20130261339 Polymorphic Form of N-(S)-(3,4-Difluoro-2-(2-Fluoro-4-Iodophenylamino)-6-Methoxyphenyl)-1-(2,3-Dihydroxypropyl)Cyclopropane-1-Sulfonamide and uses thereof |
| 10/03/2013 | US20130261178 Phenoxypropanol derivatives and their use in treating cardiac and cardiovascular diseases |
| 09/26/2013 | WO2013142127A1 Production of alkane sulfonates |
| 09/26/2013 | US20130253219 Production of Alkane Sulfonates |
| 09/25/2013 | CN203212507U Device of producing dispersing agent MF |
| 09/25/2013 | CN103328439A Method for producing fluoroamine |
| 09/25/2013 | CN103320622A Technological process for preparing electronic-grade nickel methylsulfonate by utilization of nickel waste material |
| 09/25/2013 | CN103319412A Ionic liquids |
| 09/25/2013 | CN103319381A Preparation method of high-purity fine sulfanilamide |
| 09/25/2013 | CN103319380A Fluorine-containing dye |
| 09/25/2013 | CN103319379A Process for synthesizing anthraquinone compound |
| 09/25/2013 | CN103319378A Zwitterionic organic small molecular solar cell cathode interface material, as well as preparation method and use thereof |
| 09/25/2013 | CN103315919A Novel acylalkylisethionate esters and applications in consumer products |
| 09/25/2013 | CN102642946B Treatment method of waste water produced in process for producing caprolactam by utilizing toluene method |
| 09/25/2013 | CN102423637B Membrane separation system and purification method for purifying camphorsulfonic acid solution |
| 09/25/2013 | CN102001974B Process for extracting and preparing taurine from laver |
| 09/25/2013 | CN101712639B Method for preparing functional fluorine-bearing monomer by vertical-tube type catalytic reaction |
| 09/25/2013 | CN101544584B Method for preparing precursor of Alzheimer disease imaging agent |
| 09/24/2013 | US8541611 Bifunctional phenyl iso(thio)cyanates, processes and intermediates products for their preparation |
| 09/24/2013 | US8541410 Sulfur substituted sulfonylaminocarboxylic acid N-arylamides, their preparation, their use and pharmaceutical preparations comprising them |
| 09/24/2013 | CA2497958C Zeolite y alkylation catalysts |
| 09/19/2013 | WO2013085864A3 Fluorinated oligomers having pendant functional groups |
| 09/19/2013 | US20130245315 Sulfonation in continuous-flow microreactors |
| 09/18/2013 | CN103304479A Promoter for CO2 hydrate and application of promoter |
| 09/18/2013 | CN103304471A Ropivacaine mesylate compound, preparation process thereof and pharmaceutical composition thereof |
| 09/18/2013 | CN103304451A Preparation method of aromatic hydrocarbon sulfonyl chloride derivative |
| 09/18/2013 | CN103304450A Alkyl naphthalene polysulfonate and preparation method thereof |
| 09/18/2013 | CN103304449A Method for preparing fatty alcohol polyoxyalkylene ether sulfonate |
| 09/18/2013 | CN103304429A Process for preparing strong alkaline cationic or strong acid/faint acid anionic surface active agent in ion exchange way |