| 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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| 06/12/2013 | CN102180816B Preparation method of asymmetric type bi-fluoro sulfimide potassium |
| 06/12/2013 | CN102050765B Production method of methane sulfonamide |
| 06/12/2013 | CN101481325B Basic amino acid metalloproteinase inhibitor and use thereof |
| 06/11/2013 | US8461366 Sulfonated organophosphine compounds and use thereof in hydroformylation processes |
| 06/06/2013 | WO2013080676A1 Method for producing fluoroalkanesulfonic anhydride |
| 06/06/2013 | WO2013080095A1 Process for the preparation of agomelatine |
| 06/06/2013 | WO2013079507A2 Method for producing and purifying salts of acrylamido-2-methylpropane sulfonic acid |
| 06/06/2013 | CA2857230A1 Process for preparing and purifying salts of acrylamido-2-methylpropanesulfonic acid |
| 06/05/2013 | CN103130691A Chromium fog inhibitor and preparation method thereof |
| 06/05/2013 | CN103130690A Method of producing petroleum sulfonate by micro reaction system grading sulfonation |
| 06/05/2013 | CN103130689A Amphiphilic compound, and preparation method and metal salt thereof |
| 06/05/2013 | CN103130688A Preparing method of 2-acrylamide alkyl sulfonic acid |
| 06/05/2013 | CN103130635A Preparation method of high base number lubricating oil metal cleaning dispersant |
| 06/05/2013 | CN102289149B Photoacid generator, method for manufacturing same, and resist composition comprising same |
| 06/05/2013 | CN102241613B Method for preparing high-purity methylsulfonyl chloride from sodium methyl sulfonate |
| 06/05/2013 | CN102115453B Synthesis of adamantane sulfonyl chloride |
| 06/05/2013 | CN101842348B Process for preparation of trifluoromethanesulfonyl fluoride |
| 06/05/2013 | CN101798257B Automatic synthesis method of methylation reagent [11C] CH3Br |
| 06/05/2013 | CN101735115B Salt resistance and calcium resistant deep extra-heavy oil emulsifier and viscosity dropping agent |
| 05/30/2013 | WO2012054097A8 Use of an acetic acid wash to prepare low-sulfate 5-sulfoisophthalic acid, mono-lithium salt |
| 05/30/2013 | US20130137899 Process for producing fluorine-containing sulfonylimide compound |
| 05/30/2013 | US20130137893 Process for preparing and purifying salts of acrylamido-2-methylpropanesulfonic acid |
| 05/29/2013 | CN102311370B System for continuous production of sodium fatty acid methyl ester sulfonate with low disodium salt content |
| 05/22/2013 | CN103113869A Double-long-chain alkyl hydroxy sulfobetaine surfactant and oil-displacing agent |
| 05/22/2013 | CN103113507A Method for preparing water-borne fluorine-containing emulsion and water-borne fluorine-containing coating |
| 05/22/2013 | CN103113269A 1,8-dinitro-3,6-naphthalene disulfonate hydrogenation reduction method |
| 05/22/2013 | CN103113268A Iron sulfonate and preparation method of alcoholic solution thereof |
| 05/22/2013 | CN103113267A Method for preparing methanesulfonic acid from sodium methanesulfonate |
| 05/22/2013 | CN103113242A Functional choline chloride ionic liquid and preparation method and application in electrochemical energy storage device thereof |
| 05/22/2013 | CN103112874A Separating and recovering process for solid wastes |
| 05/22/2013 | CN103111229A Gemini type fluorocarbon surfactant containing sulfonic group and preparation method thereof |
| 05/22/2013 | CN103111228A Mixed solvent for refining surface active agent and purification method thereof |
| 05/22/2013 | CN102153531B Intermediate for preparing dronedarone and preparation method thereof |
| 05/17/2013 | CA2812432A1 Methods for the synthesis of 13c labeled dha and use as a reference standard |
| 05/16/2013 | WO2013067700A1 Cyclic (poly)glycerol sulphates and preparation and use thereof |
| 05/16/2013 | US20130123497 Polymorphic forms of lapatinib ditosylate and processes for their preparation |
| 05/15/2013 | CN202936337U Continuous sulfonating and flushing device |
| 05/15/2013 | CN202936336U Segmented cooling and two-way reflux continuous production device for high-fraction sulfonate or sulfate |
| 05/15/2013 | CN103102292A Method for quickly oxidizing primary alcohol into aldehyde without pollution |
| 05/15/2013 | CN103102291A Method for producing stannous methanesulfonate by batch process |
| 05/15/2013 | CN103102290A Treatment method for avoiding yellowing of stannous methanesulfonate |
| 05/15/2013 | CN103102228A Preparation method of aryl eneyne compound |
| 05/15/2013 | CN102659195B Processing method for chemical production wastewater |
| 05/15/2013 | CN102351747B Method for preparing disodium ethylene glycol dihexyl sulfosuccinate |
| 05/15/2013 | CN102351745B Method for preparing disodium ethylene glycol bis(2-ethyl-1-butyl)sulfosuccinate |
| 05/15/2013 | CN101993378B Amido-containing ionic liquid used for absorbing acidic gases and preparation method and application thereof |
| 05/14/2013 | CA2552869C Novel acylalkylisethionate esters and applications in consumer products |
| 05/08/2013 | CN103097349A Purification of fluoroalkanesulfonate salts |
| 05/08/2013 | CN103087764A Method for producing high-grade oil-based drilling fluid base oil and mahogany petroleum sulfonate at same time |
| 05/08/2013 | CN103087700A AM (Acrylic Amide)/NaAA (Sodium Acrylate)/AT (Diallyl Para Toluene Sulfonamide) ternary polymer oil-displacing agent and synthetic method thereof |
| 05/08/2013 | CN103087009A Carboxylic acid derivative compound and preparation method and application thereof |
| 05/08/2013 | CN103086931A Novel method of preparing iloperidone |
| 05/08/2013 | CN103086930A Method for extracting 2-acrylamide-2-methylpropanesulfonic acid from recrystallization filtrate |
| 05/08/2013 | CN103086929A Solid acrylamidealkyl sulfonate preparation method |
| 05/08/2013 | CN103086928A Sodium 1,4-butanediol bissulfosuccinate laurylpolyoxyethene (3) isooctyl sulfonate and its preparation method |
| 05/08/2013 | CN103086817A Poly-substituted phenol preparation method |
| 05/08/2013 | CN102219714B N,N-dual fat acyl diamine diacetate dipolyoxyethylene ether bisulphonate and preparation method thereof |
| 05/08/2013 | CN101759613B Preparation method for perfluoroalkyl vikane |
| 05/08/2013 | CN101318916B Method for preparing high-alkali value (TBN300) synthesized calcium alkyl benzene sulfonate |
| 05/01/2013 | CN103073546A Preparation method of mebhydrolin napadisylate |
| 05/01/2013 | CN103073460A Arylsulfonylmethyl or arylsulfonamide substituted aromatic compounds suitable for treating disorders that respond to modulation of the dopamine D3 receptor |
| 05/01/2013 | CN103073459A Preparation method for laurinol polyoxyethylene ether (7) isooctyl sulfosuccinate mixed sodium diester |
| 05/01/2013 | CN103073458A Method for recovering trifluoromethanesulfonic acid in wastewater |
| 05/01/2013 | CN103073421A High-efficiency simple synthetic method for delta-chlorobutyl ester |
| 05/01/2013 | CN103073402A Process for the preparation of 3,3-dimethylbutanal |
| 05/01/2013 | CN103073372A Method for synthesizing amine compound catalyzed by functionalized ionic liquid |
| 05/01/2013 | CN102120197B Mineral floatation foaming agent and preparation method thereof |
| 05/01/2013 | CN102051164B Surfactant for oil field and preparation method of surfactant |
| 05/01/2013 | CN101851183B Method for synthesizing 17-bit fat sulfamic acid substituted hypocrellin derivant |
| 04/30/2013 | US8431730 Sulfonate esters as latent acid catalysts |
| 04/25/2013 | WO2013033022A3 5-sulfoisophthalic acid salts and process for the preparation thereof |
| 04/24/2013 | CN202898279U Device for producing low-alkaline sulfonate detergent |
| 04/24/2013 | CN202898278U Device for producing sulfonate detergent |
| 04/24/2013 | CN202898277U Sulfonating reaction device using heavy component as sulfonating raw material |
| 04/24/2013 | CN103059814A Phase change material |
| 04/24/2013 | CN103059024A Functionalized ion liquid and application thereof |
| 04/24/2013 | CN103058897A Method for preparing chiral beta-hydroxy sulfonamide |
| 04/24/2013 | CN103058896A Preparation method of water-soluble sodium alizarin sulfonate |
| 04/24/2013 | CN103058895A Heat resistance and salt tolerance type polyether sulfonic acid salt and synthetic method thereof |
| 04/24/2013 | CN103058894A Production method of high-purity sodium dodecyl sulfate |
| 04/24/2013 | CN102188942B Production method for preparing m-nitrobenzenesulfonic acid by tubular sulfonation reactor |
| 04/24/2013 | CN101863803B Purification method of byproduct hydrochloric acid |
| 04/24/2013 | CN101723860B Method for preparing naphthalene series water reducing agent |
| 04/24/2013 | CN101648893B Dicyclohexyl trifluoromethanesulfonate ammonium salt and application thereof |
| 04/24/2013 | CN101643440B Nimesulide compound and purification method thereof |
| 04/24/2013 | CN101602638B Method for synthesizing enol sulphonic acid ester compound |
| 04/24/2013 | CN101367749B A set of mesidino mesitoyl derivant, preparation and application thereof |
| 04/24/2013 | CN101198588B Inhibitors of microsomal triglyceride transfer protein and apo-B secretion |
| 04/23/2013 | US8425890 Odor-controlling bodily fluid absorber |
| 04/18/2013 | WO2013054273A2 Process for the preparation of agomelatine |
| 04/18/2013 | US20130096291 New Method of Using N-Thio Compounds for Oligonucleotide Synthesis |
| 04/17/2013 | CN202876762U Pressuring density method production device for controlling sulfonation rate in process of sulfonating production |
| 04/17/2013 | CN202876583U Sodium dimethyl isophthalate-5-sulfonate dust catcher |
| 04/17/2013 | CN103044296A Method for preparing 9-(4-sulfophenyl) octadecanoic acid or 10-(4-sulfophenyl) octadecanoic acid |
| 04/17/2013 | CN103044295A Method for purifying 2-methyl-2-acrylamido propanesulfonic acid |
| 04/17/2013 | CN103044294A Preparation method of 2-acrylamidohexadecansucfonic acid |
| 04/17/2013 | CN103044293A Preparation method and application of phenoxy tertiary amine sulphonate ampholytic surfactant |
| 04/17/2013 | CN103044292A Sulfonated aromatic compound, polyketone with sulfonated aromatic groups and methods for preparing sulfonated aromatic compound and polyketone with sulfonated aromatic groups |
| 04/17/2013 | CN103044291A Technique for preparation of alkyl diarene sulfonate |
| 04/17/2013 | CN102276516B Levamlodipine besylate crystals, preparation method thereof and brand-new medicinal composition containing crystals |