| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) |
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| 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 | CN103112874A Separating and recovering process for solid wastes |
| 05/22/2013 | CN103111229A Gemini type fluorocarbon surfactant containing sulfonic group and preparation method thereof |
| 05/21/2013 | US8445722 Method for screening anti-cancer compounds inhibiting function of TM4SF5 and anti-cancer composition containing chalcone compounds |
| 05/21/2013 | US8445144 Additive for an electrolyte solution for an electrochemical device |
| 05/16/2013 | WO2013069481A1 Method for producing triazole compound and intermediate of triazole compound |
| 05/16/2013 | WO2013067915A1 Novel method to manufacture surface active compounds such as sulfate betaine |
| 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 | CN103102291A Method for producing stannous methanesulfonate by batch process |
| 05/15/2013 | CN103102290A Treatment method for avoiding yellowing of stannous methanesulfonate |
| 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 | US8440857 Sulfonate- or sulfate-capped anti-misting agents |
| 05/14/2013 | CA2552869C Novel acylalkylisethionate esters and applications in consumer products |
| 05/10/2013 | WO2013065704A1 Phenolsulfonic acid aryl ester, developing agent, and heat-sensitive recording material |
| 05/10/2013 | WO2012154376A3 Large hydrophobe surfactants |
| 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 | CN103087009A Carboxylic acid derivative compound and preparation method and application thereof |
| 05/08/2013 | CN103086934A Photoacid generator and photoresist comprising same |
| 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 | 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 |
| 05/07/2013 | US8436205 Tetrahydronaphthalene compounds |
| 05/07/2013 | US8436198 Fluorine-containing n-alkylsulfonylimide compound, manufacturing method therefor, and method of manufacturing an ionic compound |
| 05/02/2013 | WO2013062255A2 Monomer coupled with thermal acid generator, polymer gained from monomer coupled with thermal acid generator, composition for resist underlayer film including polymer, and method for forming pattern using composition for resist underlayer film |
| 05/02/2013 | WO2013061256A1 Oligophenylene monomers and polymeric precursors for producing graphene nanoribbons |
| 05/01/2013 | CN103080839A Photosensitive resin composition, oxime sulfonate compound, method for forming cured film, cured film, organic el display device, and liquid crystal display device |
| 05/01/2013 | CN103073546A Preparation method of mebhydrolin napadisylate |
| 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 | CN102120197B Mineral floatation foaming agent and preparation method thereof |
| 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 |
| 04/30/2013 | US8431326 Salt and photoresist composition comprising the same |
| 04/25/2013 | WO2013033022A3 5-sulfoisophthalic acid salts and process for the preparation thereof |
| 04/25/2013 | US20130102803 Mild Anionic Surfactants Suitable For Personal Care Compositions |
| 04/25/2013 | US20130101895 Electrolyte solution for a secondary battery |
| 04/24/2013 | CN202898279U Device for producing low-alkaline sulfonate detergent |
| 04/24/2013 | CN202898278U Device for producing sulfonate detergent |
| 04/24/2013 | CN103059814A Phase change material |
| 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 | 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 | CN101602638B Method for synthesizing enol sulphonic acid ester compound |
| 04/23/2013 | US8426642 Method for isolating concentrated paraffin sulfonic acids |
| 04/23/2013 | US8426635 Process for preparing solid alkaline earth metal salts of secondary paraffinsulphonic acids |
| 04/23/2013 | US8426101 Photosensitive composition, pattern-forming method using the photosensitve composition and compound in the photosensitive composition |
| 04/23/2013 | CA2562170C 5-aminolevulinic acid salt, process for producing the same and use thereof |
| 04/23/2013 | CA2529257C Methods and compositions for treating amyloid-related diseases |
| 04/18/2013 | WO2013054273A2 Process for the preparation of agomelatine |
| 04/18/2013 | US20130096337 Process for Preparation of Optically Active Compounds using Transfer Hydrogenation |
| 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 | CN103052620A Monomere perfluoroalcane aromatique |
| 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 |
| 04/17/2013 | CN102142316B Ionic liquid, electrolyte salt for storage device, electrolytic solution for storage device, electric double layer capacitor, and secondary battery |
| 04/17/2013 | CN101956030B Method for preparing succinic acid sulphonated fat-liquoring agent |
| 04/17/2013 | CN101947424B Hybrid vaporizer and application thereof in preparation of sulfonated or sulfated product from liquid sulfur trioxide |
| 04/17/2013 | CN101407472B L-carnitine dodecyl sulphonate, and preparation method and use thereof |
| 04/17/2013 | CN101326158B Method for producing purified formylcyclopropane compound and intermediate of such formylcyclopropane compound |
| 04/16/2013 | US8420846 Process for producing (S)-3-[(1-dimethylamino)ethyl] phenyl-N-ethyl-N-methyl-carbamate via novel intermediates |
| 04/16/2013 | US8420294 Salt and photoresist composition comprising the same |
| 04/16/2013 | CA2703831C Complex pantoic acid ester neopentyl sulfonyl ester cyclization release prodrugs of acamprosate, compositions thereof, and methods of use |
| 04/11/2013 | WO2013025784A3 Salts of 5-sulfoisophthalic acid and method of making same |
| 04/11/2013 | US20130090314 Solid state forms of tapentadol salts |
| 04/10/2013 | EP2576975A1 Sulfonated internal olefin surfactant for enhanced oil recovery |
| 04/10/2013 | CN103033583A Method for enriching and measuring ester components in natural perfume by using ionic liquid |
| 04/10/2013 | CN103030966A Preparation method of high-efficiency penetrant for PU synthetic leather |
| 04/10/2013 | CN101935305B Method for preparing trans-4-(IR,3S)-6-chloro-3-phenylindan-1-yl)-1,2,2-trimethylpiperazine and salt thereof and use as a medicament |
| 04/10/2013 | CN101781237B Method for refining J acid by using multi-functional integrated device |
| 04/09/2013 | US8415508 Process for the preparation of optically active compounds using transfer hydrogenation |
| 04/09/2013 | US8415497 N-halogenated amino compounds and derivatives |
| 04/09/2013 | CA2704986C Use of an ionic compound, derived from malononitrile as a photoinitiator, radical initiators or catalyser in polymerization processes or as a basic dye |
| 04/04/2013 | WO2013047162A1 Method for producing chloroalkylsulfonyl chloride |
| 04/04/2013 | US20130085283 Geranylgeranylacetone derivatives |
| 04/04/2013 | US20130084525 Photoacid generator and photoresist comprising same |
| 04/03/2013 | EP2574192A1 Process for preparing an ortho-substituted 5-halophenol and a synthesis intermediate thereof |
| 04/03/2013 | CN202844650U Water-cutting separation position control device during production of petroleum sulfonate |
| 04/03/2013 | CN103012223A Method of recovering waste slag in quinacridone production course to prepare 2,2'-disulfonic acid ethyl benzidine |