| 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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| 08/01/2012 | EP1995265B1 Polyarylene and process for producing the same |
| 08/01/2012 | EP1560810B1 Bifunctional phenyliso(thio)cyanates; method and intermediate products for the production thereof |
| 08/01/2012 | CN102618244A Betaine surfactant and preparation method and application thereof |
| 08/01/2012 | CN102618241A Oil-displacing agent for low condensate oil |
| 08/01/2012 | CN102617549A Method for preparing imatinib mesylate beta crystalline form |
| 08/01/2012 | CN102617452A Organic micro/nano material of pyrenetetrasulfonic acid/amethyst derivative charge transfer compounds and preparation method thereof |
| 08/01/2012 | CN102617430A Photoacid generators |
| 08/01/2012 | CN102617414A Synthesis methods of alkali metal salt containing sulfonyl chloride or phosphorus imide and alkali metal salt containing fluorine sulfonyl or phosphorus imide |
| 08/01/2012 | CN102617413A Method for preparing sodium dimethyl isophthalate-5-sulfonate from high-concentration fuming sulfuric acid |
| 08/01/2012 | CN102617412A Preparation method of bromoamine acid |
| 08/01/2012 | CN102617411A Synthesis method of N-ethyl-N(3'-sulfo) benzyl aniline |
| 08/01/2012 | CN102617410A Method for purifying 3,4,5,6-tetrahalogenated phenolsulfonphthalein |
| 08/01/2012 | CN102617409A Process for purifying alkyl alcohol ether sulfonate or alkyl phenol ether sulfonate |
| 08/01/2012 | CN102617408A Amino acid benzyl derivative and intermediate thereof |
| 08/01/2012 | CN102617259A Method for synthesizing amine compounds through alcohol and amine dehydration |
| 07/31/2012 | US8232427 Selective hydroxamate based MMP inhibitors |
| 07/31/2012 | US8232426 N-[4-((S)-2-Propylamino-propyl)-phenyl]-4-trifluoromethoxy-benzenesulfonamide; Dipropyl-{2-[4-(4-trifluoromethoxy-benzenesulfonylmethyl)-phenyl]-ethyl}-dipropyl-amine salt, psychological, nervous system disorders such as schizophernia, bipolar, dyskinesias, tourette syndrome, depression, sleep disorder |
| 07/31/2012 | US8232421 Bifunctional phenyl ISO (THIO) cyanates, processes and intermediates for their preparation |
| 07/31/2012 | US8232420 Asymmetric catalyst and process for preparing optically active alcohols using the same |
| 07/31/2012 | CA2465375C 2-aryl-propionic acids and pharmaceutical compositions containing them |
| 07/26/2012 | WO2012099184A1 Method for producing fluoroamine |
| 07/26/2012 | WO2012097550A1 Cyclohydrocarbyl formamide derivatives, preparation methods and uses thereof |
| 07/26/2012 | US20120190880 Methods and compositions for preparation of amphetamine conjugates and salts thereof |
| 07/26/2012 | US20120190648 Fluorinated cyclopropane analogs of glutamic acid |
| 07/25/2012 | CN202346932U System for recycling and treating sulfonate filter residues |
| 07/25/2012 | CN102612510A A method of making a synthetic alkylaryl sulfonate |
| 07/25/2012 | CN102604670A Method for preparing raw material of oil sulfonate for displacing oil in oilfield |
| 07/25/2012 | CN102604023A Sulfoacid/carboxylic acid type hydrophilic chain extender and preparation method thereof |
| 07/25/2012 | CN102603674A Gas hydrate generation promoter and preparation method thereof |
| 07/25/2012 | CN102603587A Sulfonium compound, photo-acid generator, and method for manufacturing the same |
| 07/25/2012 | CN102603582A Method for synthesizing o-methyl formate benzene sulfonamide |
| 07/25/2012 | CN102603580A Preparation method of water-soluble high molecular weight growth agent |
| 07/25/2012 | CN102603579A Polymerizable photoacid generators |
| 07/25/2012 | CN102603578A Method of preparing photoacid-generating monomer |
| 07/25/2012 | CN101927183B Application of diphenylphosphine methyl-substituted calix [4] arene |
| 07/25/2012 | CN101570500B Method and equipment for preparing aromatic sulfonic acid by gas-phase sulphonation of aromatic organic compound |
| 07/25/2012 | CN101423482B Integrated method of sulphonation and neutralization reaction |
| 07/24/2012 | US8227639 N-hydroxylsulfonamide derivatives as new physiologically useful nitroxyl donors |
| 07/19/2012 | WO2012097351A1 Materials and methods to inhibit multiple myeloma cancer cells |
| 07/19/2012 | WO2012070793A3 Improved method for purifying sulfonated aromatic monomer |
| 07/19/2012 | US20120184763 Method for producing perfluorosulfonic acid having ether structure and derivative thereof, and surfactant containing fluorine-containing ether sulfonic acid compound and derivative thereof |
| 07/19/2012 | US20120184737 Method of producing highly functionalized 1,3-diamino-propan-2-ols from solid support |
| 07/18/2012 | EP2476666A1 Method for producing bis(sulfonyl)imide ammonium salts, bis(sulfonyl)imide, and bis(sulfonyl)imide lithium salts |
| 07/18/2012 | CN102597876A Quinonediazide photosensitizer solution and positive-type resist composition |
| 07/18/2012 | CN102586512A Method for reducing acid value of wild pepper seed oil and modifying wild pepper seed oil to prepare succinate sulfonate greasing agent |
| 07/18/2012 | CN102586511A Preparation method of modified wild pepper seed oil fatliquor for leather |
| 07/18/2012 | CN102585208A P-perfluorous nonene oxygen group benzene sulfonic acid polyethylene glycol ester and preparation method as well as application thereof |
| 07/18/2012 | CN102585171A Ether chain substituted conjugate polycationic electrolyte material and application thereof |
| 07/18/2012 | CN102584648A Preparation method for preparing sulfonamide sodium salt of sulfadoxine |
| 07/18/2012 | CN102584647A Industrial production method for toluene sulfonamide |
| 07/18/2012 | CN102584646A N-(3-perfluor hexyl sulfamide) propyl-N, N, N-trimethyl ammonium iodide as well as preparation and application thereof |
| 07/18/2012 | CN102584645A Method for producing methanesulfonyl chloride by using sodium methanesulfonate under solvent-free condition |
| 07/18/2012 | CN102584644A Crude oil vacuum residue carboxy sulfonate and preparation method thereof |
| 07/18/2012 | CN102584643A Crude oil vacuum residue fraction sulfonate and preparation method thereof |
| 07/18/2012 | CN102584642A Preparation method for ethoxyl sodium sulfonate fatty acid ester |
| 07/18/2012 | CN102584641A Process for preparing alkylphenol formaldehyde oligomer sulfonate |
| 07/18/2012 | CN102584509A Preparation method of amide |
| 07/18/2012 | CN101880248B Synthetic reaction of calcium dobesilate hydrate |
| 07/18/2012 | CN101723858B Method for preparing benzenesulfonic acid |
| 07/18/2012 | CN101265218B Method for preparing SIPE from SIPA by direct esterification method |
| 07/18/2012 | CN101085753B Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives |
| 07/17/2012 | US8222452 Method for producing optically active amines |
| 07/17/2012 | US8222450 Preparation of sulfonic acid anhydrides |
| 07/17/2012 | US8222423 Bifunctional histone deacetylase inhibitors |
| 07/12/2012 | US20120178957 Sitagliptin intermediates, preparation methods and uses thereof |
| 07/12/2012 | US20120178946 Preparation of (r)-n-(3,4-difluoro-2-(2-fluoro-4-iodophenylamin0)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide and (s)- n-(3,4-difluoro-2-(2-fluoro-4-iodophenylamin0)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide |
| 07/11/2012 | CN202322675U 2-丙烯酰胺-2-甲基丙磺酸连续合成反应装置 2-acrylamido-2-methylpropanesulfonic acid synthesis reaction apparatus continuously |
| 07/11/2012 | CN102558034A Organic three-order nonlinear optical material 4-(4-dimethylaminostyryl) methylpyridine trifluorosulfonate and synthesizing method thereof |
| 07/11/2012 | CN102557997A Preparation method of p-toluenesulfonylurea |
| 07/11/2012 | CN102557996A Asymmetric fluorine-containing sulfimide alkali metal salt and preparation method thereof |
| 07/11/2012 | CN102557995A Method for synthesizing N-ethoxalyl-5-choro-2-methyl-4-sulfanoyl aniline |
| 07/11/2012 | CN102557994A Synthesis method of 2-phenoxymethanesulfonyl aniline |
| 07/11/2012 | CN102557993A Preparation method of oxidant as well as doping agent for synthesizing conductive high polymer |
| 07/11/2012 | CN102557992A Salt-resistant type high activity alkyl benzene sulfonate and preparing method thereof |
| 07/11/2012 | CN101475515B Method for preparing 5-amino-2-chloro-N-(2,4-xylyl)-benzene sulfonic amide in water phase |
| 07/11/2012 | CN101085752B Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives |
| 07/10/2012 | CA2527809C Isotopically labeled chemically stable reagents and process for the synthesis thereof |
| 07/05/2012 | US20120172227 5-aminolevulinic acid salt, process for producing the same and use thereof |
| 07/04/2012 | EP2472322A2 Photoacid generating monomer and precursor thereof |
| 07/04/2012 | EP2472321A1 Method of preparing photoacid-generating monomer |
| 07/04/2012 | EP1942102B1 Process for producing trifluoromethanesulfonic anhydride |
| 07/04/2012 | CN202297427U 一种磺酸母液脱水回收系统 One kind of acid liquor recovery system dehydration |
| 07/04/2012 | CN202289814U 一种高效回收三氧化硫的磺化系统 An efficient recovery of sulfur trioxide sulfonated system |
| 07/04/2012 | CN102531976A Method for synthesizing perfluoroalkyl sulfimide salt |
| 07/04/2012 | CN102531975A Synthetic method of 2-(p-p-nitrophenylazo)-1-naphthol-3, 6-disodium disulfonate |
| 07/04/2012 | CN102531974A Preparation method of guanidinotaurine |
| 07/04/2012 | CN102531973A Method for preparing fatty acid ester sulfonate powder |
| 07/04/2012 | CN102531972A Preparation method of intermediate of antitumor medicament Belinostat |
| 07/04/2012 | CN102531955A Preparation method of olsalazine disodium and postprocessing method of methyl sulfonation reaction |
| 07/04/2012 | CN102531949A Substituted benzamide compounds and preparation method and application thereof |
| 07/04/2012 | CN102527299A Sulfonation reaction device and application thereof |
| 07/04/2012 | CN102070778B Method for preparing high-concentration polyoxy alkyl allyl ether sulfonate |
| 07/04/2012 | CN101591276B Method for preparing bumetanide |
| 07/04/2012 | CN101160286B Process for the preparation of ccr-2 antagonist |
| 06/28/2012 | WO2012084831A1 Purification of precursor compound by crystallisation |
| 06/28/2012 | WO2012084794A1 Process simplification for precursor compound |
| 06/28/2012 | US20120165571 Methods for producing bis(sulfonyl)imide ammonium salt, bis(sulfonyl)imide and bis(sulfonyl)imide lithium salt |
| 06/28/2012 | US20120164580 Novel compound and method of producing the same, acid generator, resist composition and method of forming resist pattern |
| 06/28/2012 | US20120164558 Biphenyltetrasulfonic acid compound, method for producing same, polymer and polymer electrolyte |
| 06/28/2012 | CA2821951A1 Purification of precursor compound by crystallisation |