| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) |
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| 01/18/2012 | CN102320996A Method for preparing and purifying Silodosin intermediates |
| 01/18/2012 | CN102320995A Method for performing tubular continuous nitrification on naphthalene-2,7-disulfonic acid during production of H acid |
| 01/18/2012 | CN101208298B Hydrofluoroalkanesulfonic acids and salts from fluorovinyl ethers |
| 01/17/2012 | US8097746 Method for producing 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate |
| 01/17/2012 | CA2537587C Superhigh purity ionic liquid |
| 01/12/2012 | US20120010423 Specific Branched Aldehydes, Alcohols, Surfactants, and Consumer Products Based Thereon |
| 01/12/2012 | US20120009521 Resist composition, method of forming resist pattern, compound and acid generator |
| 01/12/2012 | CA2794129A1 Cosmetic use of n-substituted sulfonyloxybenzylamines and related compounds |
| 01/11/2012 | CN1788112B High purity electrolytic sulfonic acid solutions |
| 01/11/2012 | CN102311371A Compound, polymer comprising the same and chemically amplified resist composition comprising the polymer |
| 01/11/2012 | CN102311370A System for continuous production of sodium fatty acid methyl ester sulfonate with low disodium salt content |
| 01/11/2012 | CN102311369A Preparation method of 1-amino-2-(4-sulfonic acid azobenzene)-8-hydroxy-3,6-disulfonic acid |
| 01/11/2012 | CN102311368A Twin-type wetting agent as well as preparation method and application thereof |
| 01/11/2012 | CN102311367A Benzylamine derivative and application thereof in galanthamine synthesis |
| 01/11/2012 | CN101690876B A novel amphoteric gemini surfactant and synthesizing method thereof |
| 01/11/2012 | CN101337915B Process for preparing 2,4-diamino benzenesulfonic acid and sodium salt thereof |
| 01/11/2012 | CN101314580B Enol sulfonic ester compounds and preparation thereof |
| 01/10/2012 | US8093424 Tetralin and indane derivatives and uses thereof |
| 01/10/2012 | US8093241 Acid amide derivatives, process for their production and pesticides containing them |
| 01/05/2012 | US20120004447 Ammonium Fluoroalkanesulfonates and a Synthesis Method Therefor |
| 01/05/2012 | US20120004413 Isotopically labeled chemically stable reagents and process for the synthesis thereof |
| 01/05/2012 | US20120004365 Aqueous Polymerization of Fluorinated Monomer Using a Mixture of Fluoropolyether Acids or Salts |
| 01/05/2012 | US20120004264 2-phenylpropionic acid derivatives and pharmaceutical compositions containing them |
| 01/04/2012 | CN102304070A Process for producing p-acetamidobenzene sulfonyl chloride |
| 01/04/2012 | CN102304069A Method for synthesizing saturated cardanol sulfonate surfactant for oil displacement |
| 01/04/2012 | CN102304068A Photoacid generators and photoresists comprising the same |
| 01/04/2012 | CN102304067A Method for preparing gydroxysulfobetaine amphoteric surface active agent including polyether chain segment |
| 01/03/2012 | US8088955 Alpha-substituted α,β-unsaturated E- or Z-aldehydes, use thereof, and processes for their preparation α,β |
| 12/29/2011 | US20110319267 Aromatic carboxylic acid derivatives for treatment and prophylaxis of gastrointestinal diseases including colon cancers |
| 12/28/2011 | EP2398758A1 Reactive extraction of free organic acids from ammonium salts thereof |
| 12/28/2011 | EP2398757A1 Method for producing a free acid from the salt thereof |
| 12/28/2011 | CN102295587A 对甲基苯磺酰氯的制备新工艺 Preparation of new technology for methyl chloride in |
| 12/28/2011 | CN102295586A 一种微反应器中合成石油磺酸盐的方法 A microreactor synthesized petroleum sulfonates |
| 12/28/2011 | CN102295585A 2-萘胺6,8二磺酸的制备方法 Preparation 2-naphthylamine 6,8-disulfonic acid |
| 12/28/2011 | CN102294196A 一种羟磺基甜菜碱两性表面活性剂的制备方法 Method for preparing a hydroxyl sulfobetaine amphoteric surfactant |
| 12/28/2011 | CN101982483B 双偶氮型聚芳醚共聚物、制备方法及在光存储方面的应用 Bisazo type polyarylether copolymer, preparation method and application in optical storage areas |
| 12/28/2011 | CN101875666B 光学纯1, 3-氨基醇类化合物、制备方法以及在制备达泊西汀及其类似物中的用途 Optically pure 1, 3-amino alcohol compounds, preparation and use in the manufacture of dapoxetine and the like in |
| 12/27/2011 | US8084638 Sulfanyl derivatives and their use as synthesis intermediates |
| 12/27/2011 | US8084498 Ketone compounds and compositions for cholesterol management and related uses |
| 12/22/2011 | US20110313190 Fluoroalkanesulfonic Acid Ammonium Salts and Method for Producing Same |
| 12/22/2011 | US20110313040 Organic nutrient salts, methods of preparation and uses |
| 12/21/2011 | CN202078889U Production device for preparing 3-nitrobenzenesulfonic acid through tubular nitrobenzene sulfonation reaction |
| 12/21/2011 | CN1989455B 肟衍生物和它们作为潜伏酸的用途 Oxime derivatives and their use as latent acid |
| 12/21/2011 | CN102292316A 胰高血糖素拮抗剂 Glucagon antagonists |
| 12/21/2011 | CN102289149A 光生酸剂、其制备方法以及含有该光生酸剂的抗蚀剂组合物 Photoacid generator, their preparation and resist composition containing the photo-acid agent |
| 12/21/2011 | CN102285996A 一种苯磺酸氯吡格雷晶型Ⅱ及其制备方法和用途 One kind of p-type Ⅱ clopidogrel and its preparation method and use |
| 12/21/2011 | CN102285905A 牛磺酸的合成方法 Taurine synthesis method |
| 12/21/2011 | CN102285891A 一种由芳香硝基化合物催化加氢制备芳胺的方法 An aromatic nitro compounds by catalytic hydrogenation of aromatic amines |
| 12/15/2011 | US20110305632 Process for the preparation of asymmetrical bis(thiosemicarbazones) |
| 12/14/2011 | CN102279521A 光生酸剂、其制备方法以及含有该光生酸剂的抗蚀剂组合物 Photoacid generator, their preparation and resist composition containing the photo-acid agent |
| 12/14/2011 | CN102276822A 烷基酚聚氧乙烯醚羟基磺酸盐型甜菜碱及其制备方法 Hydroxy ether sulfonate betaine alkylphenol and its preparation method |
| 12/14/2011 | CN102276708A 从紫菜中连续制取蛋白、多糖、氨基酸、牛磺酸、多肽的方法 Continuous preparation of proteins, polysaccharides, amino acids, taurine from seaweed, the polypeptide |
| 12/14/2011 | CN102276531A 一种甲磺酸非诺多泮的制备方法 One kind of fenoldopam mesylate preparation |
| 12/14/2011 | CN102276516A 一种苯磺酸左旋氨氯地平晶体、其制备方法及含有该晶体的全新药物组合物 One kind levamlodipine acid crystals, their preparation and pharmaceutical compositions containing the new crystal |
| 12/14/2011 | CN102276507A 对叔丁基杯[6]芳烃衍生物及其制备方法与应用 P-tert-butyl-calix [6] arene derivatives and preparation method and application |
| 12/14/2011 | CN102276506A 磺酸基十六烷基季铵盐离子液体及其合成方法 Cetyl sulfonic acid groups and quaternary ammonium salt ionic liquid synthesis method |
| 12/14/2011 | CN102276505A 一种离子对色谱试剂戊烷磺酸钠的制备及纯化方法 Preparation and Purification of an ion pair chromatography reagents pentane sulfonate |
| 12/14/2011 | CN102276433A 木豆素c及其衍生物及其在制备抗癌药物中的应用 Pigeonpea Su c and its derivatives and its application in the preparation of anti-cancer drugs |
| 12/14/2011 | CN101372466B 一种2-萘磺酸和2-萘磺酸钠盐及其制备方法 One kind of 2-naphthalenesulfonic acid and 2-naphthalene sulfonic acid sodium salt and its preparation method |
| 12/14/2011 | CN101356158B 用于制备孟鲁司特的中间体及相关的化合物 Intermediates and related compounds for the preparation of montelukast |
| 12/08/2011 | WO2011151669A1 Process for producing enantiomerically enriched isomer of 3-(1-aminoethyl) phenyl derivative and employing the same to produce rivastigmine or its pharmaceutically acceptable salt |
| 12/08/2011 | WO2011109047A3 Sulfomethylsuccinates, process for making same and compositions containing same |
| 12/08/2011 | US20110300080 Acidified chlorite disinfectant compositions with olefin stabilizers |
| 12/07/2011 | CN102272096A 全氟烷基磺酸盐的制造方法 Method for producing a perfluoroalkyl sulfonate |
| 12/07/2011 | CN102272086A 由酸的盐制备游离酸的方法 Acid salt was prepared by the method of free acid |
| 12/07/2011 | CN102269931A 光生酸剂、其制备方法以及含有该光生酸剂的抗蚀剂组合物 Photoacid generator, their preparation and resist composition containing the photo-acid agent |
| 12/07/2011 | CN102267928A 苯甲醛缩牛磺酸席夫碱钾化合物及其制备方法 Benzaldehyde Taurine Schiff base potassium compounds and methods |
| 12/01/2011 | US20110294999 Process for the synthesis of ivabradine and addition salts thereof with a pharmaceutically acceptable acid |
| 11/30/2011 | EP2390241A1 Method for manufacturing conjugated aromatic compound |
| 11/30/2011 | CN102264672A 使用转移氢化制备旋光化合物的方法 The method of transfer hydrogenation using an optically active compound prepared |
| 11/30/2011 | CN102260205A 一种甲磺酸阿比朵尔的合成方法 One method of synthesis of methanesulfonic acid Arbidol |
| 11/30/2011 | CN102260199A 一种复合型磺化剂及其应用 A composite type sulfonating agent and its application |
| 11/30/2011 | CN102260184A 丙泊酚衍生物及其制备方法和应用 Propofol derivative and its preparation method and application |
| 11/30/2011 | CN102260177A 丙二醇类衍生物、其制备方法和其药物组合物与用途 Propylene glycol derivatives, their preparation and pharmaceutical compositions and uses thereof |
| 11/30/2011 | CN101279936B 烷基酚磺酸聚氧乙烯醚硫酸酯盐及其制备方法 Sulfonic acid polyoxyethylene alkylphenol ether sulfate and its preparation method |
| 11/29/2011 | US8067648 Method for synthesizing radioactive ligand having 18F-labeled fluorobenzene ring |
| 11/29/2011 | US8067585 Photocoupling; cyclization and sulfonimidation of disulfonyl fluoride compound by reaction with ammonia; heating, alkylation, electrolysis, quaternization, salt formation; chemical intermediates |
| 11/29/2011 | CA2412254C Detergent containing .alpha.-sulfofatty acid esters and methods of making and using the same |
| 11/24/2011 | WO2011143819A1 Process for preparing an ortho-substituted 5-halophenol and a synthesis intermediate thereof |
| 11/24/2011 | US20110287436 Detection Of Analytes And Nucleic Acids |
| 11/23/2011 | EP2388245A1 Compounds for use in imaging, diagnosing and/or treatment of diseases of the central nervous system or of tumors |
| 11/23/2011 | CN1535260B Perfluoroalkyl-substituted amines, acids, amino acids and thioether acids |
| 11/23/2011 | CN102256981A Process for the preparation of anagrelide and analogues |
| 11/23/2011 | CN102250345A Sulfonic self-doped aniline copolymer with controllable nanometer structure and synthesis method thereof |
| 11/23/2011 | CN102250088A Salt of N-methylated 8-methoxy ouinolone carboxylic acid compound, preparation method and use thereof |
| 11/23/2011 | CN102250039A Ionic liquid of N-methyl piperazine salt and preparation method thereof |
| 11/23/2011 | CN102249957A Method for producing 2B acid through sulfonation of 2B oil |
| 11/23/2011 | CN102249956A Method for preparing dimethyl isobutyl methyl ester sodium sulfosuccinate |
| 11/23/2011 | CN102249955A Preparation and purification method of ion pair chromatography reagent butane sodium sulfonate |
| 11/23/2011 | CN102249954A Method for preparing and purifying ion pair chromatography reagent sodium 1-propanesulfonate |
| 11/22/2011 | US8063242 2-aryl-propionic acids and pharmaceutical compositions containing them |
| 11/22/2011 | US8063046 Benzamide derivative |
| 11/17/2011 | US20110282097 Isomerized alpha olefin sulfonate and method of making the same |
| 11/17/2011 | US20110282096 Anionic acid-labile surfactants and methods of use |
| 11/17/2011 | US20110281779 Novel Anionic Polyalkoxy Group Comprising Surfactants on Basis of Guerbet-Alcohols, Method of Manufacture and Use in Enhanced Oil Recovery (EOR) Applications |
| 11/17/2011 | US20110280815 Composition for inhibiting melanin production and application thereof |
| 11/16/2011 | EP1846535B1 Absorption cycle utilizing ionic liquid as working fluid |
| 11/16/2011 | CN102241834A Aromatic sulfonate flame retardant and preparation method thereof |
| 11/16/2011 | CN102241613A Method for preparing high-purity methylsulfonyl chloride from sodium methyl sulfonate |
| 11/16/2011 | CN102241612A Synthetic method of compound 2-cyclopropyl-1-(2-fluorophenyl)-2-carbonyl ethyl p-methylbenzensulfonate |