| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) | 
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| 07/28/2011 | US20110182953 Polymorphic form of calcium acamprosate | 
| 07/27/2011 | EP2346817A1 Polymorphic form of calcium acamprosate | 
| 07/27/2011 | CN102137836A Compounds for the treatment of metabolic diseases | 
| 07/27/2011 | CN102134181A Nicosulfuron production wastewater pretreatment method | 
| 07/27/2011 | CN101654425B L-proline trifluoromethanesulfonic acid ammonium salt and application thereof | 
| 07/27/2011 | CN101104533B Method for treating waste water of H-acid production | 
| 07/21/2011 | WO2011025269A3 Metformin taurate, method for preparing same, pharmaceutical composition comprising same, and combined formulation comprising same | 
| 07/21/2011 | WO2011025267A3 Metformin methanesulfonate, method for preparing same, pharmaceutical composition comprising same, and combined formulation comprising same | 
| 07/21/2011 | US20110178323 Method for producing tetrafluoro compound | 
| 07/20/2011 | EP2345636A1 Casr agonist | 
| 07/20/2011 | EP2344448A1 Fluoroalkyl ether sulfonate surfactants | 
| 07/20/2011 | CN102127091A Heterocyclic ring-containing schiff base compound | 
| 07/20/2011 | CN102127021A Preparation method of water-soluble amino acid-derived bisbenzimidazole salt | 
| 07/20/2011 | CN102127005A Intermediate of alvimopan and synthesis method thereof | 
| 07/20/2011 | CN102126993A Resveratrol derivative and application thereof to preparation of antitumor medicaments | 
| 07/20/2011 | CN102126992A Method for recovering dichloro-benzenesulfonic acid from waste water by resin adsorption | 
| 07/20/2011 | CN102126991A Preparation method of 4,4-bis(2-sulfostyryl)-1,1-biphenyl | 
| 07/20/2011 | CN102126984A Condensation production process and special device of N-long-chain acyl amino acid salt | 
| 07/20/2011 | CN102126970A Methods for separating leucine and arginine by selective precipitation | 
| 07/20/2011 | CN101125918B Neutralization treatment method for catalyst used for preparing polycarbonate from aromatics dihydroxy compounds and diester carbonate, and neutralizing agent used for the same | 
| 07/19/2011 | US7982054 Process for the synthesis of N-[3-[(2-methoxyphenyl] sulfanyl] -2-methylpropyl] -3,4-dihydro-2H-1,5-benzoxathiepin-3-amine | 
| 07/14/2011 | WO2011085339A1 Overbased alkylated arylalkyl sulfonates | 
| 07/14/2011 | US20110172459 Manufacturing method for sulfonic acid group-containing ether compound | 
| 07/14/2011 | US20110172138 Dimethyl Disulphide Derived at least partially from Renewable Materials | 
| 07/14/2011 | CA2786612A1 Overbased alkylated arylalkyl sulfonates | 
| 07/13/2011 | EP2343270A2 New fluorinated compounds, their synthesis and use | 
| 07/13/2011 | EP1251117B1 Method of treating fluorine compound and treated substance | 
| 07/13/2011 | CN102120197A Mineral floatation foaming agent and preparation method thereof | 
| 07/13/2011 | CN101279934B Aliphatic acid polyethenoxy ether sulphonate and preparation thereof | 
| 07/06/2011 | CN1942434B Indene derivatives and process for the preparation thereof | 
| 07/06/2011 | CN102119139A Process for production of bicyclo[2.2.2]octylamine derivative | 
| 07/06/2011 | CN102115453A Synthesis of adamantane sulfonyl chloride | 
| 07/05/2011 | US7971659 Foamer/sulfur scavenger composition and methods for making and using same | 
| 06/30/2011 | WO2011077941A1 Radiation-sensitive resin composition and compound contained therein | 
| 06/30/2011 | US20110160481 Novel sulfonate salts and derivatives, photoacid generators, resist compositions, and patterning process | 
| 06/30/2011 | US20110160148 Novel Diverse Lead Compound Autotaxin Inhibitors | 
| 06/30/2011 | US20110159433 Photosensitive composition, pattern-forming method using the composition, and resin used in the composition | 
| 06/30/2011 | US20110159431 Photoacid generators and lithographic resists comprising the same | 
| 06/30/2011 | DE102010024272A1 Preparing polysulfonic acid compounds, comprises reacting polyhalo compounds with metal sulfur compounds using reducing agent and solvent to give polythiol-, and reacting polythiol-compounds with oxidizing agent in polar-protic solvent | 
| 06/29/2011 | CN102108057A Method for preparing adamantane sulfonyl chloride by using adamantane sulfinyl chloride | 
| 06/29/2011 | CN102108056A Production process of non-phosgene synthesis of scarlet acid | 
| 06/29/2011 | CN101665297B Waste water treatment method in 1-naphthylamine-4-sodium sulfonate production process | 
| 06/28/2011 | CA2635196C Glucocorticoid receptor modulators | 
| 06/23/2011 | WO2010063403A8 Radioisotope-labeled lysine and ornithine derivatives, their use and processes for their preparation | 
| 06/23/2011 | US20110152571 Isomerized alpha olefin sulfonate and method of making the same | 
| 06/23/2011 | US20110152315 Compounds for the treatment of metabolic diseases | 
| 06/23/2011 | US20110152222 Use of 2,5-dihydroxybenzene derivatives for the treatment of arthritis and pain | 
| 06/23/2011 | US20110151025 Compositions Comprising N-Halogenated or N,N-Dihalogenated Amine for Treatment and Prophylaxis of Bronchopulmonary Infections | 
| 06/22/2011 | CN102105443A Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents | 
| 06/22/2011 | CN102105442A Aqueous methods for making fluorinated sulfonate esters | 
| 06/22/2011 | CN101429664B Full-fluorine octyl sulfuryl fluoride production technology | 
| 06/21/2011 | CA2617307C 2,4-pentanedione disulfonate salts, methods for their preparation and their use in cement compositions | 
| 06/21/2011 | CA2563000C Indene derivatives and process for the preparation thereof | 
| 06/21/2011 | CA2460789C Acid amide derivatives, process for their production and pesticides containing them | 
| 06/21/2011 | CA2442114C N-(2-arylethyl)benzylamines as antagonists of the 5-ht6 receptor | 
| 06/16/2011 | US20110144373 Water-soluble degradable photo-crosslinker | 
| 06/16/2011 | US20110144337 Processes for the preparation of 2,5-dihydroxybenzenesulfonic acid salts | 
| 06/16/2011 | US20110144064 Inhibitors of Kynurenine Aminotransferase and Uses Therefor | 
| 06/16/2011 | US20110138888 Treatment of obesity | 
| 06/15/2011 | CN1989313B Alkylxylene sulfonates for enhanced oil recovery processes | 
| 06/15/2011 | CN102099956A Nonaqueous electrolyte solution for lithium battery, lithium battery using same, and formyloxy group-containing compound used therein | 
| 06/15/2011 | CN102093266A Method for preparing O-tosyl-2-carbamoyl-2-methoxyl-imido-acetamido-oxime | 
| 06/15/2011 | CN102093265A Intermediate for electrochemical clean dyeing and preparation method thereof | 
| 06/15/2011 | CN102093264A Method for preparing m-carboxyl benzenesulfonic acid | 
| 06/15/2011 | CN102093263A Recycling method of levorotation camphorsulfonic acid serving as clopidogrel resolving agent | 
| 06/15/2011 | CN102093262A Octylphenol polyoxyethylene ether itaconic acid monoester sulfonic acid disodium salt and preparation method thereof | 
| 06/15/2011 | CN101376639B Method for coproduction of dispersants MF and sodium sulphite | 
| 06/15/2011 | CN101177385B Aryl sulfonic acid amides and analogues as well as its purpose in curing neural degeneration disease | 
| 06/15/2011 | CN101161640B Preparation technique of 2-amido-3,6,8-naphthalenetrisulphonic acid | 
| 06/15/2011 | CN101108836B Method for manufacturing epoxy- cyclohexane and fluorine alkyl suifonate with symbiosis reciprocal reaction | 
| 06/14/2011 | CA2425311C Ketone compounds and compositions for cholesterol management and related uses | 
| 06/14/2011 | CA2359601C A demulsifying compound and a method of breaking or inhibiting emulsions | 
| 06/09/2011 | WO2011068732A2 Highly overbased magnesium alkyltoluene sulfonates | 
| 06/09/2011 | WO2011066706A1 Non-halogen activating agent used as flux | 
| 06/09/2011 | WO2011008570A3 Sulfonate surfactants and methods of preparation and use | 
| 06/09/2011 | US20110137076 Biological Buffers with Wide Buffering Ranges | 
| 06/09/2011 | US20110137063 Compounds and processes for production of radiopharmaceuticals | 
| 06/09/2011 | US20110136723 Novel reagents and method for conjugating biological molecules | 
| 06/09/2011 | CA2782570A1 Highly overbased magnesium alkyltoluene sulfonates | 
| 06/08/2011 | EP2330463A1 Negative resist composition and patterning process | 
| 06/08/2011 | EP2328864A1 Actinic ray-sensitive or radiation-sensitive resin composition and method of forming pattern with the composition | 
| 06/08/2011 | EP2328856A2 Specific branched aldehydes, alcohols, surfactants and consumer products based thereon | 
| 06/08/2011 | CN102086165A Application of Pd catalyst in hydrogenation process for producing doxycycline | 
| 06/08/2011 | CN102086164A Preparation method of 2-hydroxy-4-methyoxy-benzophenone-5-sulfoacid | 
| 06/08/2011 | CN102086163A Preparation method and application of high temperature and high salinity stabilizer for drilling fluid | 
| 06/08/2011 | CN101268061B Process to prepare amino acid derivatives | 
| 06/07/2011 | US7956214 Process for the preparation of aniline-derived thyroid receptor ligands | 
| 06/07/2011 | CA2213759C Method for treating amyloidosis | 
| 06/03/2011 | WO2011064216A1 Novel salts of rasagiline | 
| 06/02/2011 | US20110129765 Negative resist composition and patterning process | 
| 06/01/2011 | EP2327691A1 Manufacturing method for sulfonic acid group-containing ether compound | 
| 06/01/2011 | EP2326618A1 Glucagon antagonists | 
| 06/01/2011 | EP2326322A1 Novel crystal form of calcium-3-acetyl aminopropane-1-sulfonate | 
| 06/01/2011 | CN102081304A Negative resist composition and patterning process | 
| 06/01/2011 | CN102079718A Asymmetric naphthyl diacid containing sulfonate bases and preparation method thereof | 
| 06/01/2011 | CN102079700A Method for synthesizing novel tetracyclic diterpene compound from stevioside | 
| 06/01/2011 | CN102078741A Method for reducing sulfur trioxide in by-product hydrochloric acid during using chlorosulfonic acid | 
| 05/31/2011 | US7951972 Human adam-10 inhibitors | 
| 05/31/2011 | CA2172282C Chiral surfactants and methods for their use in chiral separations | 
| 05/26/2011 | WO2011062988A2 A method of making a synthetic alkylaryl sulfonate |