| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) |
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| 04/07/2011 | US20110082295 Novel curcumin derivative |
| 04/06/2011 | EP2303839A2 Fluorosurfactants |
| 04/06/2011 | EP1928819B1 A single pot process for the preparation of diazonaphthoquinonesulfonyl ester |
| 04/06/2011 | CN1902158B N,N-dihalogenated amino acids and derivatives |
| 04/06/2011 | CN102002065A Method for preparing tapentadolhydrochloride and intermediate thereof |
| 04/06/2011 | CN102001976A Photosensitive compound and photosensitive composition including the same |
| 04/06/2011 | CN102001975A Ethylene glycol bi-sulpho succinic acid bi(2-methyl amyl) artesunate and production method thereof |
| 04/06/2011 | CN102001974A Process for extracting and preparing taurine from laver |
| 04/06/2011 | CN102001973A Method for preparing and refining 1,3-propanedisulfonate |
| 04/06/2011 | CN102001949A 3,5-dimethoxystilbene derivative, preparation method and application thereof in anti-drug resistant bacteria |
| 04/05/2011 | US7919226 Sulfonate salts and derivatives, photoacid generators, resist compositions, and patterning process |
| 04/05/2011 | CA2572577C Synthesis of acyclic nucleoside derivatives |
| 03/31/2011 | WO2011037975A2 Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (eor) applications |
| 03/31/2011 | WO2011037613A1 Crystalline forms and processes for the preparation of pgi2 receptor agonists |
| 03/31/2011 | WO2011000461A3 Continuous method for acylating amino group-carrying organic acids |
| 03/31/2011 | WO2010135350A3 Biphenyl intermediate compounds and methods for the preparation of a dual angiotensin ii and endothelin a receptor antagonist |
| 03/31/2011 | US20110076312 Antimicrobial/antibacterial medical devices coated with traditional chinese medicines |
| 03/31/2011 | CA2773922A1 Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (eor) applications |
| 03/30/2011 | EP2300421A1 Method for the sulphonylation of a hydroxylated organic compound |
| 03/30/2011 | CN101993398A Method for preparing 1,8-diamido-3,6-naphthalene disulfonic acid by catalytic hydrogenation |
| 03/30/2011 | CN101993397A Method for preparing alkyl aromatic ferric sulfonate |
| 03/30/2011 | CN101993378A Amido-containing ionic liquid used for absorbing acidic gases and preparation method and application thereof |
| 03/30/2011 | CN101993373A Chlorinated glaucocalyxin A derivative and preparation method and application thereof |
| 03/30/2011 | CN101591404B Application of 1-halogeuated carboxylic acid-n-(2 or 3-sulfonic carboxylic acid) diol diester |
| 03/30/2011 | CN101121678B Method for preparing D-(+)-3-bromkampfer-10-sulfonic acid |
| 03/29/2011 | US7915241 Preparation of 24 alkyl analogs of cholecalciferol and non-racemic compounds |
| 03/24/2011 | WO2011033194A1 Novel method for synthesizing ivabradine and the addition salts thereof with a pharmaceutically acceptable acid |
| 03/24/2011 | WO2011014553A3 Improved process for the sulfochlorination of hydrocarbons |
| 03/24/2011 | US20110071178 Methods and Compounds for Modulating Cannabinoid Activity |
| 03/24/2011 | US20110071120 Solid state forms of tapentadol salts |
| 03/24/2011 | US20110071116 Antimicrobial n-halogenated amino acid salts |
| 03/24/2011 | US20110070544 Novel Salt Having Fluorine-Containing Carbanion Structure, Derivative Thereof, Photoacid Generator, Resist Material Using the Photoacid Generator, and Pattern Forming Method |
| 03/24/2011 | CA2773064A1 Novel method for synthesizing ivabradine and the addition salts thereof with a pharmaceutically acceptable acid |
| 03/23/2011 | EP2297091A1 Insecticidal compounds |
| 03/23/2011 | EP2297087A2 Solid states of o-desmethylvenlaf axine salts |
| 03/23/2011 | EP2297070A2 Compounds and processes for production of radiopharmaceuticals |
| 03/23/2011 | EP1762566B1 Branched surfactant having fluoroalkyl group and hydrocarbon group |
| 03/23/2011 | EP1667167B1 Sulfonated amorphous carbon, process for producing the same and use thereof |
| 03/22/2011 | CA2351858C Polymerization process of sulphonic monomers |
| 03/17/2011 | WO2011030921A1 Biphenyltetrasulfonic acid compound, method for producing same, polymer and high-molecular electrolyte |
| 03/17/2011 | WO2011030737A1 Radiation-sensitive composition and novel compound |
| 03/17/2011 | WO2010099532A8 Purification of 5-sulfoisophthalic acid by the use of an acetic acid wash on a crude cake |
| 03/17/2011 | US20110064998 Non-aqueous electrolyte for a lithium battery, lithium battery wherein said electrolyte is used, and hydroxy-acid derivative for use in said electrolyte |
| 03/16/2011 | EP2295392A2 Alkylated aromatic composition for the preparation of carbonated, overbased aromatic sulfonates |
| 03/16/2011 | EP1704140B1 Synthesis of optically pure (r)-5-(2-aminopropyl)-2-methoxybenzenesulphonamide |
| 03/16/2011 | CN101985458A Novel method for preparing ademetionine 1,4-butanedisulfonate |
| 03/16/2011 | CN101343245B Method for preparing fatty acid methyl ester sulphonic salt with low-disodium salt content by using earlier sulfonation and later esterification technique |
| 03/15/2011 | US7906235 Pentacyclic anion salts or tetrazapentalene derivatives and their uses as ionic conducting materials |
| 03/15/2011 | US7906042 Branched surfactant having fluoroalkyl group and hydrocarbon group |
| 03/10/2011 | WO2010063403A3 Radioisotope-labeled lysine and ornithine derivatives, their use and processes for their preparation |
| 03/09/2011 | EP2292670A2 Charge control agent, toner, image forming method, and image forming apparatus |
| 03/08/2011 | US7901871 Composition containing a photoacid generator monomer, substrate coated with the composition, method for synthesizing a compound on a substrate using the composition, and microarray produced according to the method |
| 03/03/2011 | WO2011025269A2 Metformin taurate, method for preparing same, pharmaceutical composition comprising same, and combined formulation comprising same |
| 03/03/2011 | WO2011025267A2 Metformin methanesulfonate, method for preparing same, pharmaceutical composition comprising same, and combined formulation comprising same |
| 03/03/2011 | WO2011024988A1 Ionic liquid containing allylsulfonate anion |
| 03/03/2011 | US20110054032 Dioxoanthracene sulphonate derivatives |
| 03/03/2011 | US20110053883 Agent that modulates physiological condition of pests, involved in insect c-jun amino-terminal kinase activity |
| 03/03/2011 | US20110052813 Functionalised graphene oxide |
| 03/02/2011 | EP2289874A1 Photosensitive compound, photosensitive composition including the same, method of manufacturing the same |
| 03/02/2011 | EP1740523B1 New 1-methoxy-2-phenyl ethenes for the preparation of 5-carboxaldehyde-2-3-dihydrobenzoxepines |
| 03/02/2011 | EP1672729B1 Non-aqueous electrolyte solution and lithium secondary battery using the same |
| 03/02/2011 | CN101982483A Bis-azo type polyarylether copolymers, preparation method and application in aspect of optical storage |
| 03/01/2011 | US7897807 Manufacture of hydrofluoroalkanesulfonic acids |
| 02/24/2011 | WO2011022429A2 Process for the preparation of (s)-2-amino-5-cyclopropyl-4,4-difluoropentanoic acid and alkyl esters and acid salts thereof |
| 02/24/2011 | US20110046412 Sulfonation of Polyhydroxyaromatics |
| 02/24/2011 | US20110046406 Process for the preparation of (s)-2-amino-5-cyclopropyl-4,4-difluoropentanoic acid and alkyl esters and acid salts thereof |
| 02/24/2011 | US20110046052 Excipients for Protein Stabilization |
| 02/23/2011 | CN101980767A Aromatic halsulfonyl isocyanate compositions and polymers therefrom |
| 02/23/2011 | CN101979426A Method for synthesizing fatty alcohol (alkylphenol) polyoxyethylene ether sulfonate through olefin addition |
| 02/23/2011 | CN101979394A A method to inhibit ethylene responses in plants |
| 02/22/2011 | US7893109 N,N-dihalogenated amino acids and derivatives |
| 02/22/2011 | US7892748 Reagent for detecting an analyte |
| 02/22/2011 | CA2385927C Carbon monoxide source for the preparation of transition metal carbonyl complexes |
| 02/17/2011 | WO2011017800A1 Methods, compounds, and compositions for delivering 1,3-propan ed isulfonic acid |
| 02/17/2011 | WO2010123599A9 Anti-bacterial compositions and methods including targeting virulence factors of staphylococcus aureus |
| 02/17/2011 | US20110040115 Intermediates and process for the preparation of aromatic derivatives of 1-adamantane |
| 02/17/2011 | US20110039705 Granular agrochemical composition and method of producing the same |
| 02/17/2011 | US20110039701 Phenyl-substituted Bicyclooctane-1,3-dione Derivatives |
| 02/17/2011 | US20110039203 Hydrofluoroalkanesulfonic Acids and Salts from Fluorovinyl Ethers |
| 02/17/2011 | CA2768877A1 Methods, compounds, and compositions for delivering 1,3-propanedisulfonic acid |
| 02/16/2011 | EP2282992A1 Processes useful for the synthesis of (r)-1-{2-ý4'-(3-methoxypropane-1-sulfonyl)-biphenyl-4-yl¨-ethyl}-2-methyl-pyrrolidine |
| 02/16/2011 | EP1544187B1 1,7,8-trifluoronaphthalene-2-naphthol, and methods for producing liquid crystal compounds using same |
| 02/16/2011 | EP1373207B1 Novel amlodipine camsylate and method for preparing thereof |
| 02/16/2011 | CN101977894A Vinyl sulfonic acid, polymer thereof, and production method thereof |
| 02/16/2011 | CN101973940A Continuously synthesizing method of sulfonic acid alkyl group ionic liquid |
| 02/16/2011 | CN101973914A Method for preparing salt-free 2-amino-1,5-naphthalenedisulfonic acid |
| 02/16/2011 | CN101973913A Clean synthetic method of high purity iron(III) p-toluenesulfonate |
| 02/16/2011 | CN101972614A Dehydroabietylamide ethyl sulfonate surfactant, synthesis method and application of surfactant in tertiary oil recovery |
| 02/16/2011 | CN101219976B Process for producing 1,4-sodium butanedisulfonic acid |
| 02/10/2011 | WO2011016523A1 Process for production of bis-quaternary ammonium salt, and novel intermediate |
| 02/10/2011 | US20110034726 Process Of Preparation Of Optically Active Alpha Aminoacetals |
| 02/10/2011 | US20110034719 Process for the preparation of (s)- naproxen 4-nitrooxybutyl ester |
| 02/10/2011 | US20110034528 Elansolids, Novel Natural Metabolites of Flexibacter and Antibiotically Active Derivatives Thereof |
| 02/10/2011 | US20110034356 Composition comprising perfluoropolyether |
| 02/10/2011 | US20110034355 Composition comprising perfluoropolyether |
| 02/09/2011 | CN101971409A Non-aqueous electrolyte for a lithium battery, lithium battery wherein said electrolyte is used, and hydroxy-acid derivative for use in said electrolyte |
| 02/09/2011 | CN101967116A Chemically amplified resist composition and salt employed therein |
| 02/09/2011 | CN101966437A Sulphobetaine ampholytic gemini surfactant and synthesis method thereof |
| 02/09/2011 | CN101745339B Succinic acid fluorine-containing alcohol ester sulfonate surfactant and preparation method thereof |
| 02/08/2011 | US7884058 Stable colloidal suspensions and lubricating oil compositions containing same |