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)
09/2010
09/29/2010CN101845008A 锍化合物 Sulfonium compounds
09/29/2010CN101845004A Method for preparing p-toluenesulfonic acid by toluene sulfonation
09/29/2010CN101845003A N-tris (hydroxymethyl) methyl-3-aminopropanesulfonic acid compound and preparation method thereof
09/29/2010CN101200439B Novel comprehensive utilization technique of industrial waste sulfuric acid
09/29/2010CN101182301B Method for preparing 2-amido-8-naphthol-6-sulfonic acid
09/29/2010CN101066941B Prepn process of ferric alkyl aryl sulfonate
09/28/2010CA2462528C Method for producing arylsulphonic acid isocyanates
09/23/2010US20100240919 Process For Obtaining Valine Derivatives Useful For Obtaining A Pharmaceutically Active Compound
09/22/2010CN101842348A Process for preparation of trifluoromethanesulfonyl fluoride
09/22/2010CN101838226A Method for preparing natural taurine
09/22/2010CN101143841B Method for producing 4-aminotoluene-3-sulfonic acid
09/22/2010CN101066940B Prepn process of 2-acryl amido-2-methyl propane sulfonic acid
09/21/2010CA2436225C N-(arylsulphonyl)beta-amino acid derivatives comprising a substituted aminomethyl group, process for preparing them and pharmaceutical compositions containing them
09/21/2010CA2432425C Branched primary alcohol compositions and derivatives thereof
09/16/2010WO2010104178A1 Ammonium fluoroalkanesulfonates and a synthesis method therefor
09/16/2010WO2010104177A1 Fluoroalkanesulfonic acid ammonium salts and method for producing same
09/15/2010CN101835881A Solid fatty acid alkyl ester sulfonate metal salt material, and process for production of fatty acid alkyl ester sulfonate metal salt powder having sharp grain size distribution
09/15/2010CN101835745A Process for production of disulfonic acid compound, asymmetric mannich catalyst, process for production of beta-aminocarbonyl derivative, and novel disulfonate salt
09/15/2010CN101830836A Method for manufacturing pigment red 3BL condensation intermediate
09/15/2010CN101830835A Sodium paeonol sulfonate crystalline hydrate as well as preparation method and application thereof
09/15/2010CN101830834A Preparation method of sulfited fatty acid ester leather fatliquoring agent
09/15/2010CN101830766A Synthesis method of amino aromatic ether compound
09/14/2010US7795471 Triethylamine was added dropwise to a solution of 2-methylpropane-2-sulfinyl chloride and methyl trans-4-amino-1-cyclohexane carboxylate p-toluenesulfonate in tetrahydrofuran solvent to obtain Methyl trans-4-(2-methylpropane-2-sulfonylamino)cyclohexanecarboxylate; hydrolysis; oxidation; intermediates
09/08/2010EP2226312A1 Method for producing 3-mercaptoaniline compound
09/08/2010CN201574125U Production equipment for naphthalene sulfonate water-reducing admixture
09/08/2010CN101823003A Catalyst, method for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and salt thereof by using same
09/08/2010CN101148428B Method for producing 3-chloro-2-hydroxypropanesulfonic acid sodium salt
09/02/2010WO2010099532A2 Purification of 5-sulfoisophthalic acid by the use of an acetic acid wash on a crude cake
09/02/2010US20100221948 Labelling assembly
09/01/2010EP1379508B1 N-(aryl)-2-arylethenesulfonamides and therapeutic uses thereof
09/01/2010CN101821233A Method for producing sulfonic acid diamides
09/01/2010CN101818056A Dansyl molecular probe and synthetic method and application thereof
09/01/2010CN101817767A Substituted sulphonamide compound and preparation method, medicine composition and application thereof
09/01/2010CN101817766A Method for preparing metanilic acid by catalyzing and hydrogenating 3-nitrobenzenesultonic acid
09/01/2010CN101474548B Scraped film type sulfonator
08/2010
08/31/2010US7786138 decyclization of {3-[(E)-2(7-chloro-2-quinolinyl)vinyl]phenyl}-4,5-dihydro-3H-benzo[c]thiepin-1-one by methylmagnesium halide with following conversion to montelukast
08/31/2010CA2374226C Cinnamoylaminoalkyl-substituted benzenesulfonamide derivatives
08/26/2010US20100215610 Process compositions and production of acyl alkylisethionate compositions
08/26/2010US20100213409 Novel surfactants with a polyethersulfonate structure method for production thereof and use thereof for tertiary crude oil production
08/26/2010CA2748595A1 Process for preparing cinacalcet hydrochloride
08/25/2010CN101811999A Method for preparing sulfonates of components of different groups of petroleum distillate
08/25/2010CN101811998A Preparation method of 1-amino-2-naphthol-4-sulfonic acid
08/25/2010CN101811997A Water-soluble self-doping aniline oligomer and preparation method thereof
08/25/2010CN101811996A Preparation of taurine from squid liver
08/25/2010CN101811995A Preparation of taurine from squid
08/25/2010CN101811994A Method for continuously drying sodium aliphatic alcohol sulfate and sodium olefin sulfonate slurry
08/25/2010CN101811993A Process for preparing fatty acid ester sulfonate
08/24/2010US7781614 treating impure organic ammonium imide composition comprising bis-trifluoromethanesulfonimide and having as an impurity a species selected from halides, sulfonates and sulfinates by liquid-liquid extraction by means of aqueous phase and 4-dimethylaminopyridine, diisopropylethylamine, dichloromethane
08/24/2010US7781612 Process for producing fluorinated sulfonyl fluoride
08/24/2010US7781611 For preparing herbicidally active sulfonylureas; crop protection
08/19/2010US20100209827 Novel sulfonate and its derivative, photosensitive acid generator, and resist composition and patterning process using the same
08/18/2010CN101805275A Method for synthesizing sodium methyl allylsulfonate
08/17/2010US7777065 Using oxidizer
08/12/2010US20100199443 Yello anionic disazo dyes
08/11/2010EP2216325A1 Process for preparation of trifluoromethanesulfonyl fluoride
08/11/2010EP2215042A1 A method of forming alkoxylated flouroalcohols
08/11/2010EP1484301B1 PROCESS FOR PRODUCING trans-4-AMINO-1-CYCLOHEXANECARBOXYLIC ACID DERIVATIVE
08/11/2010CN101798274A Application of amphoteric surfactant in tertiary oil recovery, preparation method and application method of surfactant
08/11/2010CN101798257A Automatic synthesis method of methylation reagent [11C] CH3Br
08/11/2010CN101142171B Removal of residual sulfur dioxide from dimethyl sulfate
08/10/2010US7772430 Derivatives of arylsulfonamido-substituted hydroxamic acid as matrix metalloproteinases inhibitors
08/05/2010WO2010087982A1 Glur2 receptor modulators
08/05/2010US20100197950 Process for preparing phenoxy acetic acid derivatives
08/04/2010EP1498405B1 Liquid vegetable unsaturated alcohol and process for producing the same
08/04/2010CN101792407A Method for preparing 1-aryl ethanesulfonic acid
08/04/2010CN101157643B Method for preparing Igepon A series anionic surfactant
07/2010
07/29/2010WO2010084976A1 Method for manufacturing conjugated aromatic compound
07/28/2010CN1939901B Method for producing 4-iod-2-aminosulfonyl-benzoic acid methyl ester
07/28/2010CN101787024A Quinoline
07/28/2010CN101786972A Method for preparing 2-chloro-sulfonyl-3-methyl benzoate
07/28/2010CN101786971A Preparation process of doxycycline hydrochloride
07/28/2010CN101786970A Recovering and applying method of clopidogrel resolving agent
07/28/2010CN101255127B Synthesis of aliphatic alcohol polyoxyethylene sulfonate and complex formulation used for tertiary oil recovery displacement agent
07/28/2010CN101245038B Method for producing vitamin K3
07/28/2010CN101108815B Method of recycling precipitating agent in production of L-leueine
07/21/2010EP2208722A1 Process for production of disulfonic acid compound, asymmetric mannich catalyst, process for production of -aminocarbonyl derivative, and novel disulfonate salt
07/21/2010CN101784519A Method for producing dihalobiphenyl compound
07/21/2010CN101781237A Method for refining J acid by using multi-functional integrated device
07/21/2010CN101219975B Process for producing methanesulfonic acid
07/20/2010CA2282906C Stable complexes of poorly soluble compounds
07/14/2010CN101148429B Method for preparing 2-amino-5-naphthol-1,7-disulphonic acid
07/08/2010WO2010076898A1 Process for producing perfluoroalkylsulfonic acid salt
07/08/2010US20100174113 Aromatic sulphonylimides, preparation thereof and use thereof as electrolyte
07/07/2010EP2203421A2 Methods of synthesis of certain hydroxamic acid compounds
07/07/2010CN101768094A Method for preparing 5-amino-2-Cl-N-(2, 4-xylyl)-benzsulfamide in ionic liquid
07/07/2010CN101768093A Preparation method of 2-carbomethoxy-5-iodobenzene sulfamide
07/07/2010CN101768092A Preparation method of intermediate of non-steroidal anti-inflammatory drug
07/06/2010US7750184 side effect reduction; bone disease and psoriasis; compounds display the desirable cell differentiation and antiproliferative effects with reduced calcium mobilization; 2-(4-{1-Ethyl-1-[4-(1-hydroxy-cyclopentylethynyl)-3-methyl-phenyl]-propyl}-2-methyl-benzoylamino)-2-methyl-propionic acid
07/06/2010CA2427429C Acylaminoalkyl-substituted benzenesulfonamide derivatives,their preparation, their use and pharmaceutical preparations comprising them
07/01/2010WO2010074062A1 PROCESS FOR PRODUCING FLUOROALKYLSULFONYLAMINOETHYL α-SUBSTITUTED-ACRYLATE
07/01/2010WO2010007363A3 Preparation of fluorine-labelled compounds
07/01/2010US20100168108 Phenyl derivatives and methods of use
06/2010
06/30/2010CN101759613A Preparation method for perfluoroalkyl vikane
06/30/2010CN101759612A Method for producing sodium fatty acid methyl ester sulfonate
06/30/2010CN101759611A Technology for reducing free acid in production of o-toluenesulfonic acid
06/30/2010CN101759610A Salt coagulation technology for hydrolyzed L-(+)-p-hydroxyphenylglycine-p-toluenesulfonate mother liquor
06/30/2010CN101759609A Technology for purifying D-(-)-p-hydroxyphenylglycine-p-toluenesulfonate
06/30/2010CN101759608A Racemization technology for D-(-)-p-hydroxyphenylglycine-p-toluenesulfonate
06/30/2010CN101759607A Salt coagulation technology for hydrolyzed D-(-)-p-hydroxyphenylglycine-p-methylbenzenesulfonate mother liquor
06/30/2010CN101759606A Deep crystallization technology for purified D-(-)-p-hydroxyphenylglycine-p-toluenesulfonate mother liquor
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