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)
06/2010
06/30/2010CN101759605A Preparation method of amino-substituted hydrocarbyl sulfonic acid
06/30/2010CN101759589A Technology for producing DL-p-hydroxyphenylglycine-o-toluenesulfonate
06/30/2010CN101759586A Technology for purifying L-(+)-p-hydroxyphenylglycine-p-toluenesulfonate
06/30/2010CN101759585A Deep crystallization technology for purified L-(+)-p-hydroxyphenylglycine-p-toluenesulfonate mother liquor
06/30/2010CN101186586B N,N'-difluorophenyl derivative of 4-methoxyl-1,3-phthalamide and use thereof
06/29/2010US7745626 Stereoselective alkylation of chiral 2-methyl-4-protected piperazines
06/29/2010US7745490 3-hydroxy-N-(3-hydroxy-4-methoxyphenyl)-4-methoxybenzamide, used in the treatment of neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease and amyloidosis, such as observed non-insulin depepndent diabetes
06/24/2010WO2010009820A3 Sulphates of polyhydric alcohols, polyols, saccharides and polysaccharides for agricultural applications
06/24/2010US20100160485 Hydrolysis stable self-etching, self-priming adhesive
06/23/2010CN101754947A Process for preparation of sulfamide derivatives
06/23/2010CN101747260A Preparation method of ionic liquid
06/23/2010CN101747245A Method for preparing N, N-diethyl trifluoro-methanesulfonyl fluoride CF3SO2N (C2H5)2 by using trifluoro-methanesulfonyl fluoride
06/23/2010CN101747244A Method for synthesizing perfluoroalkyl sulfimide alkali metal salt and ionic liquid synthesized by same
06/23/2010CN101747242A Method for preparing bi-(sulfonyl fluoride) imine and (fluorinated alkyl sulfonyl fluorine sulfonyl) imine alkali metal salt
06/23/2010CN101747241A Method for preparing trifluoromethyl sulfonic acid potassium CF3SO3K by electrochemical fluorination gas-phase product of methanesulfonyl fluoride CH3SO2F
06/23/2010CN101747240A Method for preparing trifluoromethyl sulfonic acid CF3SO3H by electrochemical fluorination gas-phase product of methanesulfonyl fluoride CH3SO2F
06/23/2010CN101747239A Method for separating and refining trifluoro-methanesulfonyl fluoride CF3SO2
06/23/2010CN101747238A Method for separating and preparing methanesulfonyl fluoride CH3SO2F by material generated after reaction of methylsufonyl chloride and potassium fluoride
06/23/2010CN101747237A Method for preparing methanesulfonyl fluoride CH3SO2F by methylsufonyl chloride CH3SO2Cl
06/23/2010CN101747236A Technology for synthesizing and purifying p-toluidine-3-sulfonic acid
06/23/2010CN101745339A Succinic acid fluorine-containing alcohol ester sulfonate surfactant and preparation method thereof
06/22/2010US7741519 Bis-aryl sulfonamides
06/22/2010US7741518 Method for producing trifluoromethanesulfonic anhydride
06/22/2010CA2453811C Process for condensation of sulphuric acid vapours to produce sulphuric acid
06/17/2010WO2010066450A1 A method for preparing sulfur-containing compounds
06/17/2010US20100152081 Fluorosurfactants
06/17/2010CA2646874A1 Processes for preparing (e)-styrylbenzylsulfone compounds and uses thereof for treating proliferative disorders
06/16/2010EP2196456A1 A method for preparing sulfur-containing compounds
06/16/2010EP2196454A2 Exo-and diastereo-selective syntheses of himbacine analogs
06/16/2010CN1902165B Synthesis of optically pure (R)-5-(2-aminopropyl)-2-methoxybenzenesulphonamide
06/16/2010CN1882531B Process for the production of metal salts of trifluoromethane sulphonic acid and their use as esterification catalysts
06/16/2010CN101735117A Preparation method of o-aminosulfonyl-benzoyl hydrazine
06/16/2010CN101735116A Sulfonated aromatic diamine and sulfonated polyimide resin and preparation methods thereof
06/16/2010CN101735115A Salt resistance and calcium resistant deep extra-heavy oil emulsifier and viscosity dropping agent
06/15/2010CA2432053C Method for fluorinating a compound comprising a halosulphonyl or dihalophosphonyl group
06/10/2010WO2010064429A1 METHOD FOR SELECTING ALIPHATIC ACID ALKYL ESTER FOR USE IN MANUFACTURE OF α-SULFO ALIPHATIC ACID ALKYL ESTER (SALT), METHOD FOR PREDICTING DEGREE OF PIGMENTATION OF REACTION PRODUCT, α-SULFO ALIPHATIC ACID ALKYL ESTER (SALT), AND MANUFACTURING METHOD THEREFOR
06/10/2010WO2010028968A3 Polymorphs of acyl sulfonamides
06/10/2010US20100145093 Manufacture of Hydrofluoroalkanesulfonic Acids
06/10/2010US20100144881 Crystalline forms of a 3-carboxypropyl-aminotetralin compound
06/10/2010US20100139524 Novel amorphous metal salt for facilitating the handling property of portland cements and dental applications thereof
06/09/2010EP2194038A2 Improved 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
06/09/2010EP1737814B1 Methods of making an antistatic agent
06/09/2010CN101730679A Molecule sulfonation process
06/09/2010CN101723863A Preparation method of purple active dye
06/09/2010CN101723862A Preparation method of wool purple reactive dye
06/09/2010CN101723861A Extraction liquid of electronic grade 2, 1, 5-diazo naphthoquinones sulfonyl chloride and preparation method thereof
06/09/2010CN101723860A Method for preparing naphthalene series water reducing agent
06/09/2010CN101723859A Method for isomerizing 2,6-naphthalene disulfonic acid into 2,7-naphthalene disulfonic acid
06/09/2010CN101723858A Method for preparing benzenesulfonic acid
06/08/2010US7732396 surfactant paste is added to powdery material at a reduced pressure in a granulator having a stirring blade and a crushing blade, while the material is dried and simultaneously granulated; surfactant exhibits thermoplasticity at a stirring Froude number as defined by a given equation; low dust, detergent
06/03/2010WO2010062605A1 Alkylaryl sulfonates with reduced sulfone levels and methods for their preparation
06/02/2010EP1490313B1 Process for olefin oligomerization
06/02/2010CN101717368A Method and process thereof for preparing imidazole ionic liquid under microwave condition
06/02/2010CN101717355A Method for synthesizing dyestuff intermediate H acid by naphthalene
06/02/2010CN101717354A Method for preparing sulfonated 4,4'-difluorobenzophenone
06/02/2010CN101717353A Synthesis method of taurine
06/01/2010US7728166 Process for the production of metal salts of trifluoromethane sulphonic acid and their use as esterification catalysts
05/2010
05/27/2010WO2010058599A1 METHOD FOR PRODUCING AQUEOUS α-SULFO FATTY ACID ALKYL ESTER SALT SOLUTION
05/26/2010CN1922134B Synthesis of sterically hindered secondary aminoether alcohols
05/26/2010CN101712640A methods and compositions for treating amyloid-related diseases
05/26/2010CN101712639A Method for preparing functional fluorine-bearing monomer by vertical-tube type catalytic reaction
05/26/2010CN101712638A Method for preparing anhydrous sulfanilic acid reference reagent
05/26/2010CN101092380B Method for preparing 1,2,4 acid through synthesis in homogeneous phase between water and alcohol solvent
05/25/2010USRE41357 Process for producing a fluorine atom-containing sulfonyl fluoride compound
05/25/2010US7723494 Yellow anionic disazo dyes
05/20/2010WO2010055887A1 Novel sulfonium salt, method for producing same and use of same
05/20/2010WO2010054485A1 Organic nutrient salts, methods of preparation and uses
05/20/2010CA2739732A1 Organic nutrient salts, methods of preparation and uses
05/19/2010EP2186785A2 Process for the separation of olefins from paraffins
05/19/2010EP2186784A2 Process for the preparation and recovery of olefins
05/19/2010EP2186783A2 Process for the preparation of olefins
05/19/2010EP1858839B1 Removal of residual sulfur dioxide from dimethyl sulfate
05/19/2010CN201473476U Device for preparing alkyl benzene sulphonate by using fuming sulphuric acid as raw materials
05/19/2010CN101709044A Preparation method of purple active dye for wool
05/19/2010CN101070294B Process for preparing 4,5-dihydroxy-phenyl-sodium-disulfonate
05/13/2010US20100121091 Processes of preparing asymmetric dinitrobenzamide mustard compounds, intermediate compounds useful therein and products obtained therefrom
05/13/2010US20100120725 Substituted Phenylsulfonamide Inhibitors of Beta Amyloid Production
05/12/2010EP2184645A2 Charge control agent, toner, image forming method and image forming apparatus
05/12/2010EP1687264B1 Process for the production of metal salts of trifluoromethane sulphonic acid
05/12/2010CN1990463B High basicity mahogany sulfonate and its preparation method
05/12/2010CN1869011B Proton electric titanate, polymer nano material complex film comprising same, and fuel battery employing said complex film
05/12/2010CN1774416B Process for production of essentially chloride-free calcium sulfonate
05/12/2010CN1762957B 2,3-dihydro-1-indene compound and preparation method thereof
05/12/2010CN101704771A Improved process for producing asulam
05/12/2010CN101704769A Hydrogenated jatropha seed oil fatty acid methyl ester sulfonate prepared by using chlorosulfonic acid as sulfonating agent and preparation method thereof
05/12/2010CN101703905A Biquaternary ammonium salt and bisulfonate surfactant and synthesis method thereof
05/11/2010CA2465697C Process for the preparation of (s)-naproxen 4-nitrooxybutyl ester
05/06/2010WO2010050602A1 Process for producing sulfuric acid ester salt
05/06/2010WO2010050392A1 Method for producing alkoxycarbonylfluoroalkanesulfonic acid salt
05/06/2010WO2010049465A1 Process for the preparation of acylated secondary alcohol alkoxylates and secondary alcohol alkoxylates
05/06/2010US20100113539 Compounds for treating ophthalmic diseases and disorders
05/06/2010CA2740699A1 Process for the preparation of acylated secondary alcohol alkoxylates and secondary alcohol alkoxylates
05/05/2010EP1916237B1 Compound containing fluorosulfonyl group, process for producing the same, and polymer thereof
05/05/2010EP1799627B1 Iron or cobalt-catalyzed carbon-carbon coupling reaction of aryls, alkenes and alkines with copper reagents
05/05/2010EP1438286B1 Method for producing arylsuphonic acid isocyanates
05/05/2010CN1965002B Polymer having sulfonic acid group or sulfonic ester group and amide group, and method of producing the same
05/04/2010US7709612 Metal chelating compositions for protein purification, detection or binding
05/04/2010US7708905 Method for preparing ester compounds as bleach activators
05/04/2010CA2320467C Cycloalkene derivatives, their production and use
04/2010
04/29/2010WO2010047266A1 Method for producing fluorosulfuric acid ester
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