| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) |
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| 09/04/2013 | CN101516836B Process for preparing a sulphonic acid anhydride |
| 09/03/2013 | US8524948 Bioavailable diacylhydrazine ligands for modulating the expression of exogenous genes via an ecdysone receptor complex |
| 09/03/2013 | CA2592450C Process for preparation of 3-(2-hydroxy-5-methylphenyl)-n,n-diisopropyl-3phenylpropylamine |
| 08/29/2013 | US20130225473 Sulfonates from natural oil metathesis |
| 08/29/2013 | DE102012101670A1 Leitsalz für Lithium-basierte Energiespeicher Supporting electrolyte for lithium-based energy storage |
| 08/29/2013 | DE102012101669A1 Leitsalz für Lithium-basierte Energiespeicher Supporting electrolyte for lithium-based energy storage |
| 08/28/2013 | EP2631253A2 Preparation of polymer, resulting polymer, resist composition, and patterning process |
| 08/28/2013 | EP2630119A1 Use of an acetic acid wash to prepare low-sulfate 5-sulfoisophthalic acid, mono-lithium salt |
| 08/28/2013 | EP2630111A2 Preparation of bicyclo[2.2.2]octan-2-one compounds |
| 08/28/2013 | CN203159512U Acid gas extraction device in petroleum sulfonate production |
| 08/28/2013 | CN203159511U Petroleum sulfonate production device |
| 08/28/2013 | CN103270021A Derivatives of perfluoroalkoxy sulfosuccinates as surface-active surfactants |
| 08/28/2013 | CN103265560A Gossypol/ cotton ketone derivative and preparation method thereof and application of derivative in anti-tumor medicament |
| 08/28/2013 | CN103265462A Alkoxy alkybenzene sulfonate and preparation method therof |
| 08/28/2013 | CN103265461A Alkyl (sulfophenoxy) benzenesulfonic acid disodiumsalt and preparation method thereof |
| 08/28/2013 | CN103265460A Alkyl diphenyl ether sulfonate and preparation method thereof |
| 08/28/2013 | CN103265459A Novel sodium houttuyfonate compound as well as preparation method and pharmaceutical composition thereof |
| 08/28/2013 | CN103265458A Alkoxy aryl sulfonate and preparation method thereof |
| 08/28/2013 | CN102320997B Para-acetylsulfanilamide synthesis method combined with waste water treatment |
| 08/28/2013 | CN102153465B Method for preparing low acid-value fatty acid methyl ester |
| 08/28/2013 | CN102099956B Nonaqueous electrolyte solution for lithium battery, lithium battery using same, and formyloxy group-containing compound used therein |
| 08/28/2013 | CN101835745B Process for production of disulfonic acid compound, asymmetric mannich catalyst, process for production of beta-aminocarbonyl derivative, and novel disulfonate salt |
| 08/27/2013 | US8518998 Use of sulfonyl-substituted 2-sulfonylaminobenzoic acid N-phenylamides in the treatment of pain |
| 08/27/2013 | US8518630 Fluorine-free fused ring heteroaromatic photoacid generators and resist compositions containing the same |
| 08/22/2013 | WO2013123240A1 Methods and compounds useful in the synthesis of orexin-2 receptor antagonists |
| 08/22/2013 | WO2013079507A3 Method for producing and purifying salts of acrylamido-2-methylpropane sulfonic acid |
| 08/22/2013 | US20130217908 Stabilisation of radiopharmaceutical precursors |
| 08/21/2013 | CN103261153A Purification of precursor compound by crystallisation |
| 08/21/2013 | CN103261152A Process simplification for precursor compound |
| 08/21/2013 | CN103261148A Method for producing and purifying 3-minopropanol |
| 08/21/2013 | CN103260613A 3-methanesulfonylpropionitrile for treating inflammation and pain |
| 08/21/2013 | CN103254204A Icotinib hydrochloride crystal form pharmaceutical composition and purpose |
| 08/21/2013 | CN103254154A Novel method for preparing mesylate pridinol |
| 08/21/2013 | CN103254102A Method for purifying acrylamide alkyl sulfonic acid |
| 08/21/2013 | CN102351748B Preparation method for DNS (4,4'-dinitrostilbene-2,2'-disulphonic acid) sodium salt in DSD (4,4'-diaminodiphenylethylene-2,2'-disulfonic acid) acid production process |
| 08/21/2013 | CN102241612B Synthetic method of compound 2-cyclopropyl-1-(2-fluorophenyl)-2-carbonyl ethyl p-methylbenzensulfonate |
| 08/15/2013 | US20130211120 Use of an acetic acid wash to prepare low-sulfate 5-sulfoisophthalic acid, mono-lithium salt |
| 08/15/2013 | US20130211116 Salts of 5-sulfoisophthalic acid and method of making same |
| 08/15/2013 | US20130211104 Preparation of bicyclo[2.2.2]octan-2-one compounds |
| 08/15/2013 | US20130211101 Crystalline Glycopyrrolate Tosylate |
| 08/15/2013 | US20130210828 STRUCTURE, SYNTHESIS, AND APPLICATIONS FOR POLY (PHENYLENE) ETHYNYLENES (PPEs) |
| 08/15/2013 | US20130209483 Cannabidinoid derivatives |
| 08/14/2013 | EP2626341A1 Manufacture of hexafluoroisopropanol |
| 08/14/2013 | EP2625163A1 Method for the preparation of (3s,3s') 4,4'-disulfanediylbis (3-aminobutane 1-sulfonic acid) |
| 08/14/2013 | CN103250099A Norbornane-based PAC Ballast and positive-one photosensitive resin composition encompassing the PAC |
| 08/14/2013 | CN103249470A Process for reducing inorganics from anionic surfactant solutions |
| 08/14/2013 | CN103242476A Preparation method of acrylic polymer with fluorescence characteristic |
| 08/14/2013 | CN103242208A Process for preparing 1, 4-diamino-anthraquinone-2, 3-disulfonic acid by nicotinic acid method |
| 08/14/2013 | CN103242207A Amide compound and drilling fluid drag reducer as well as preparation method of drilling fluid drag reducer |
| 08/14/2013 | CN103242206A Production process for preparing fatty acyl-N-sodium methyl taurate surfactant |
| 08/14/2013 | CN103242205A Tri-monomer preparation method capable of reducing waste water production |
| 08/14/2013 | CN103240034A Sulfonate type and sulfonate inner salt type fluorocarbon surfactant as well as preparation and applications thereof |
| 08/14/2013 | CN102702041B Agomelatine benzenesulfonic acid compound and preparation method thereof |
| 08/14/2013 | CN102452965B Method for removing polymerization inhibitor in AMPS (2-acrylamide-2-methyl propanesulfonic acid) raw material |
| 08/14/2013 | CN101863804B Preparation method of high-purity methylsulfonyl chloride |
| 08/14/2013 | CN101613308B Method for synthesizing p-acetamido benzene sulfonyl chloride by phosphorus pentachloride |
| 08/08/2013 | WO2013116715A1 Methods and intermediates for preparing pharmaceutical agents |
| 08/08/2013 | WO2013032273A3 Quinolinium single crystals for use in nonlinear optics |
| 08/08/2013 | WO2009073426A3 Fluorinated alkanesulfonic acid anhydrides and processes for making the same |
| 08/08/2013 | US20130204021 Polyglycol ether-free sulphosuccinates based on polyglycerol partial esters and use thereof |
| 08/08/2013 | US20130203639 Overbased Alkylated Arylalkyl Sulfonates |
| 08/08/2013 | US20130202580 Use Of 2,5-Dihydroxybenzene Derivatives For Treating Actinic Keratosis |
| 08/08/2013 | DE19755201B4 Verfahren zur Herstellung von CI Direct Yellow 11 (40 000) aus 4-Nitrotoluol-2-sulfonsäure Process for the preparation of CI Direct Yellow 11 (40000) of 4-nitrotoluene-2-sulfonic acid |
| 08/08/2013 | DE102012201598A1 Polyglycoletherfreie Sulfosuccinate basierend auf Polyglycerinpartialestern und deren Verwendung Polyglycoletherfreie Sulfosuccinate based on polyglycerol and their use |
| 08/07/2013 | EP2622970A1 Salty taste enhancer |
| 08/07/2013 | EP2622410A1 Norbornane-based pac ballast and positive-tone photosensitive resin composition encompassing the pac |
| 08/07/2013 | CN103232372A Dyhydroxyl sulphonate hydrophilic monomer and preparation method thereof |
| 08/07/2013 | CN101735116B Sulfonated aromatic diamine and sulfonated polyimide resin and preparation methods thereof |
| 08/06/2013 | US8501382 Acid amplifiers |
| 08/06/2013 | CA2654109C Preparation process for metallic dihydroxy benzene disulfonates |
| 08/01/2013 | US20130197260 Processes for the preparation of fesoterodine |
| 07/31/2013 | EP2620427A1 Arylsulfonic Acid Compound And Use Thereof As Electron-Acceptor Material |
| 07/31/2013 | EP2619177A1 Matrix metalloproteinase inhibitors |
| 07/31/2013 | CN103228665A Method for buffering chemical or biological composition |
| 07/31/2013 | CN103228624A Method for the preparation of (3s, 3s') 4,4'-isulfanediylbis (3-aminobutane 1-sulfonic acid) |
| 07/31/2013 | CN103224459A Method for producing fatty acid methyl ester sulfonate by using waste oil |
| 07/31/2013 | CN102190604B Method for preparing petroleum sulfonate |
| 07/31/2013 | CN102186890B Fluorine-containing sulfonates having polymerizable anions and manufacturing method therefor, fluorine-containing resins, resist compositions, and pattern-forming method using same |
| 07/31/2013 | CN102070493B Method for preparing fluorine-containing lubricating oil additive |
| 07/31/2013 | CN102030683B Sitagliptin intermediate and preparation method and application thereof |
| 07/25/2013 | US20130190522 Process for preparing l-phenyl-3-dimethylaminopropane derivative |
| 07/25/2013 | US20130190262 Compounds Useful for Inhibiting Chk1 |
| 07/24/2013 | EP2617710A1 Novel phenolsulfonic acid aryl ester derivative, and heat-sensitive recording material using same |
| 07/24/2013 | EP2616449A1 Anthraquinone compounds and their uses |
| 07/24/2013 | CN103221387A Novel phenolsulfonic acid aryl ester derivative, and heat-ensitive recording material using same |
| 07/24/2013 | CN103221386A Matrix metalloproteinase inhibitors |
| 07/24/2013 | CN103221382A Preparation of pet precursor |
| 07/24/2013 | CN102557993B Preparation method of oxidant as well as doping agent for synthesizing conductive high polymer |
| 07/24/2013 | CN102408363B Method for synthesizing busulfan |
| 07/24/2013 | CN102093266B Method for preparing O-tosyl-2-carbamoyl-2-methoxyl-imido-acetamido-oxime |
| 07/23/2013 | US8492581 Sulfonation of polyhydroxyaromatics |
| 07/17/2013 | EP2614048A1 Purification of fluoroalkanesulfonate salts |
| 07/17/2013 | EP2517700B1 Pharmaceutically acceptable cocrystals of N-[2-(7-methoxy-1-naphthyl]acetamide and methods of their preparation |
| 07/17/2013 | CN103204785A Dehydration method of sodium allylsulfonate |
| 07/17/2013 | CN102391159B Process and system for recovering sulfonic acid mother liquor by dewatering |
| 07/17/2013 | CN102070496B Preparation method of alpha-fatty acid methyl ester sulfonate |
| 07/17/2013 | CN102070494B Preparation method of fluorine-containing sulfoacid |
| 07/17/2013 | CN101851182B Salt-free preparation method for substituted taurine |
| 07/17/2013 | CN101842349B Phenyl sulfonate compound, nonaqueous electrolyte solution using the same, and lithium battery |
| 07/17/2013 | CN101328140B A process for making borated alkaline earth metal toluene sulfonates |