Patents
Patents for C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides (11,473)
10/2008
10/15/2008CN101284806A Clean production process for sodium diethylhexyl sulfosuccinate
10/15/2008CN101284805A Production method for 2-acryloylamino-2-methylpropane sulfonic acid
10/14/2008CA2446315C Method for reducing malodors in hydrotropic compositions
10/09/2008US20080249102 Hiv Protease Inhibitors
10/08/2008EP1976827A2 Method for producing methionine from homoserine
10/08/2008EP1697316B1 Novel intermediates for the synthesis of (r)-tamsulosin and of its pharmaceutically acceptable salts and process for their preparation
10/08/2008EP1515934B1 Method for producing c13-alcohol mixtures
10/08/2008EP1413572B1 Process for producing acid anhydride
10/08/2008CN101279940A Preparation of isophthalic acid-5-sulfonic acid, ester, salt and ester salt thereof
10/08/2008CN101279939A Synthetic method of 8,8í»-2- phenylamino-5,5í»2-naphthyl-1,1í»-2-sulphonate
10/08/2008CN101279938A Alkyl phenol sulfonic polyethenoxy ether sodium monosulfosuccinates and preparation thereof
10/08/2008CN101279937A Alkyl phenol sulfonic polyoxyethylene ether sulfonate and preparation thereof
10/08/2008CN101279936A Alkyl phenol sulfonic polyoxyethylene ether sulfate and preparation thereof
10/08/2008CN101279935A Alkyl phenol sulfonic polyoxyethylene ether carboxylate and preparation thereof
10/08/2008CN101279934A Aliphatic acid polyethenoxy ether sulphonate and preparation thereof
10/08/2008CN100424070C Process for preparing 1-amino-8-naphthol-3,6-disulfonate sodium by fatty alcohol catalyzing
10/08/2008CN100423806C Method for reducing malodors in hydrotropic compositions
10/02/2008WO2008117308A2 Novel diazonaphthoquinonesulfonic acid bisphenol derivative useful in photo lithographic sub micron patterning and a process for preparation thereof
10/02/2008US20080242748 Process for producing branched olefins from linear olefin/ paraffin feed
10/01/2008EP1276716B2 Metal chelating compositions
10/01/2008CN100422145C Method of preparing sulfone amide and method of using said sulfone smine to prepare N-substituted imine
09/2008
09/30/2008US7429680 reacting an organic carboxylic acid or salt with a sulfonyl halide, a sulfuryl halide, sulfuryl ester halide or sufluryl amide halide to form acyl sulfonates, which is then reacted with a dioxane to cleave dioxane ring yielding a cleavage product, aminated with an alkylamine and hydrolyzed with base
09/30/2008US7429675 reacting 2-{[2-(4-hydroxyphenyl)ethyl]thio}-3-[4-(2-{4-[(methylsulfonyl)oxy]phenoxy}ethyl)phenyl]propanoic acid enriched in one enantiomer with a halosilane such as chlorotrimethylsilane in presence of 1,8 diazobicyclo[5.4.0]undecec-7-ene; antidyslipidemia an organic base
09/30/2008US7429628 Method of making a thermoplastic composition containing an antistatic agent
09/25/2008US20080234159 Novel Acylalkylisethionate Esters and Applications in Consumer Products
09/25/2008US20080233621 inexpensive and efficient industrial method for obtaining (S)-2-pentanol, (S)-2-hexanol, 1-methylalkyl malonic acid and 3-methyl carboxylic acid at a high optical purity; carbonyl reductase to act on 2-pentanone or 2-hexanone
09/25/2008US20080233606 Use of raman spectroscopy in enzyme activity assays
09/24/2008CN101273011A Potassium perfluoroalkane sulfonate and process for production thereof
09/24/2008CN101270066A Method for reducing methanal attrition in process of preparing naphthalin series water reducing agent, and special equipment thereof
09/18/2008WO2008111588A1 Method for producing difluoromethanebis(sulfonylfluoride)
09/18/2008WO2008111418A1 Method for producing trifluoromethanesulfonyl fluoride
09/18/2008US20080227996 heat treatment of an aromatic hydrocarbon (benzene, naphthalene, anthracene and coronene) in concentrated sulfuric acid or fuming sulfuric acid; proton conductivity, acid catalytic activity, thermal stability and chemical stability
09/18/2008US20080227995 Process of Sulfonating 4-Aminobenzonitriles
09/17/2008EP1970369A1 Method for producing purified formylcyclopropane compound and intermediate of such formylcyclopropane compound
09/17/2008EP1968737A1 Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for preforming faster, strongly exothermic gas/liquid reactions
09/17/2008CN101268042A Styrylsulfonamides, their manufacture and use as pharmaceutical agents
09/17/2008CN101268040A Process for the production of (alkoxycarbonylamino)alkyl sulfonates
09/17/2008CN101265218A Method for preparing SIPE from SIPA by direct esterification method
09/16/2008US7425641 Carboxylic acid amides, the preparation thereof and their use as pharmaceutical compositions
09/16/2008US7425374 coatings comprising water, a film-forming polymer and a leveling agent prepared by reacting glycolic acid with N-glycidyl-N-methylperfluorobutanesulfonamide, used for coating substrates
09/10/2008EP1967512A2 Solid detergent composition and process to prepare the same
09/10/2008CN101263110A Optically active diamine derivative and process for producing the same
09/10/2008CN101260073A Quasi-peptides HIV-1 protease inhibitor, preparation method and use
09/10/2008CN101260069A Method for preparing nimesulide intermediate 2-phenoxymethanesulphonylaniline
09/09/2008US7423154 Asymmetric process for the preparation of diarylethylpiperazines derivatives and novel asymmetric diarylmethylamines as intermediates
09/04/2008US20080214870 Method of Preparing Amine Stereoisomers
09/03/2008CN101255127A Synthesis of aliphatic alcohol polyoxyethylene sulfonate and complex formulation used for tertiary oil recovery displacement agent
09/03/2008CN101255126A Preparation of taurine and derivatives thereof
09/03/2008CN100415713C Detergent compositions containing modified alkylaryl sulfonate surfactants
09/02/2008US7419967 e.g. hexahydrofuro[2,3-b]furan-3-yl N-((1S,2R)-1-benzyl-3-(cyclopentyloxy)[(3-[2-(dimethylamino)ethyl]aminophenyl)sulfonyl]amino-2-hydroxypropyl)carbamate; against human immunodeficiency virus, chronic and acute viral infections
09/02/2008CA2273023C Aminoguanidines and alkoxyguanidines as protease inhibitors
09/02/2008CA2169696C Substituted benzenesulfonylureas and -thioureas, processes for their preparation and use of pharmaceutical preparations based on these compounds, and medicaments containing them
08/2008
08/28/2008US20080207940 Removal of Residual Sulfur Dioxide From Dimethyl Sulfate
08/27/2008EP1960078A2 Anion-exchange displacement chromatography process and anionic organic compounds for use as displacer compounds in anion-exchange displacement chromatography process
08/27/2008EP1368325B1 New asymmetric process for the preparation of diarylmethylpiperazines derivatives and novel asymmetric diarylmetylamines as intermediates
08/27/2008CN101250141A Method for preparing tobias acid by effective components extracted from waste water of tobias acid production
08/26/2008US7417059 Substituted aromatic-ring compounds, process for producing the same and use
08/21/2008WO2008099727A1 Α-substituted acrylate derivative and method for producing the same
08/21/2008US20080200724 Process and Compound
08/20/2008EP1957443A2 Method for producing sulfonamides
08/20/2008EP1957442A1 Process for preparing sulfuric monoesters from amino alkanols
08/20/2008CN101248040A Preparation of thioalkylamines with high yields
08/20/2008CN101245040A Process for producing 4-ethynyl benzene sulfonamide (I)
08/20/2008CN101245039A Process for producing cis-4-(2-bromine vinyl)benzene sulfonamide(I)
08/20/2008CN101245038A Method for producing vitamin K3
08/20/2008CN100412056C 3-amino-4-hydroxy benzenesulfonic acid, 3-amino-4-hydroxy-5-nitro benzenesulfonic acid and their salts synthesizing method
08/20/2008CN100412054C 3-acetamino-5-amino-4-hydroxy benzene sulfonic acid and its salts and synthesis method thereof
08/19/2008US7414161 Process for producing branched olefins from linear olefin/paraffin feed
08/19/2008US7414144 Preparation of 2S,3S-N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide hydrochloride and other derivatives of 2-hydroxy-1,3-diamines
08/14/2008US20080194730 Hydrolysis stable self-etching, self-priming adhesive
08/13/2008EP1954672A2 A method of making a synthetic petroleum sulfonate
08/13/2008EP1470206B1 Anionic surfactant powder
08/12/2008CA2350786C Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors
08/07/2008WO2008014313A3 A process for forming perfluorinated-alkyl sulfonamide substituted norbornene-type monomers
08/06/2008EP1476149B1 Substituted hydrazones as inhibitors of cyclooxygenase-2
08/06/2008EP1311475B1 Aminocyclohexane derivatives
08/06/2008CN101235004A Omega-amidosulphonic acid substituted hypocrellin derivatives, preparation method and application thereof
08/06/2008CN101235002A Method for synthesizing glycerin polyoxyethylene oleic acid ester sodium sulfate
08/06/2008CN101235001A Method for synthesizing aliphatic alcohol sulfate
08/06/2008CN101235000A Production of stannous methylsulfonate for micro-electronics in tower-type reaction device by using tin flower as raw material
08/06/2008CN100408528C Method for producing C13-alcohol mixtures
08/05/2008US7408008 Method of producing highly functionalized 1,3-diamino-propan-2-ols from solid support
08/05/2008US7407827 Semiconductor mechanical sensor
07/2008
07/31/2008WO2008058902A3 Process for regioselective mono-tosylation of diols
07/31/2008WO2008058902A2 Process for regioselective mono-tosylation of diols
07/30/2008EP1948593A2 Process for the preparation of tamsulosin and related compounds
07/30/2008CN101230025A Extractive recovery method for aryl sulfonic acid salt in waste water
07/30/2008CN101230024A Novel water-soluble azulene derivatives and preparation method thereof
07/30/2008CN101229519A Process for the production of metal salts of trifluoromethane sulphonic acid and their use as esterification catalysts
07/30/2008CN100406449C CDC25 phosphatase inhibitors
07/29/2008US7405332 making a fluoro radioactive material [18F]Fluorohaloalkanes radiotracer through halogenation, or solid phase synthesis; use in positron emission tomography (PET) studies
07/29/2008CA2214323C Compounds and compositions for delivering active agents
07/24/2008US20080177107 isolating a substance having antiandrogenic activity from the bark of the African plum tree P. africana, and synthesising structural variants of these substances; even able to inhibit the growth of prostate cancer cells that do not respond to treatment with hydroxyflutamide
07/23/2008CN101228655A Electrolyte material for polymer electrolyte fuel cells, electrolyte membrane and membrane/electrode assembly
07/23/2008CN101228118A Process for the synthesis of sulfonyl halides and sulfonamides from sulfonic acid salts
07/23/2008CN101228117A Fluorosulfonyl group-containing compound, method for its production and polymer thereof
07/23/2008CN101225060A Method for synthesizing aliphatic amine polyoxyethylene ether ammonium sulfate
07/23/2008CN100404501C Di sulfonated aromatic diamine and preparation method thereof
07/22/2008US7402598 Arylethanolamine β2-adrenoreceptor agonist compounds
07/17/2008WO2008084048A1 Synthesis
1 ... 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 ... 115