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)
09/1997
09/23/1997US5670691 Reaction of 2-substituted benzenesulfonate with lithium compound then reaction with electrophile to form 2,6-disubstituted benzenesulfonate
09/18/1997WO1997033864A1 Process for the stabilisation of alkylbenzenesulphonates
09/17/1997EP0794933A1 A method for inhibiting premature polymerization of vinyl aromatic monomers
09/17/1997CN1159444A Sulfuryl amino substituted benzoyl guanidine, preparation process and applications as medicine or diagnostic agent and the medicine containing same
09/12/1997WO1997032953A1 Novel sulfated/sulfonated surfactants
09/10/1997EP0690838B1 Process to manufacture alkylbenzenesulphonic acid
09/10/1997EP0655054B1 Process for preparation of sulphonates
09/10/1997CN1035820C Improved process for preparation of sulfamate derivatives
09/09/1997CA1339452C Enantiomers of citalopram and derivatives thereof
09/02/1997US5663434 Amidation, sulfonamidation, intermediates for color couplers
09/02/1997US5663417 Carbocyclic sulfonamides
08/1997
08/27/1997EP0791576A2 Leukotriene antagonistic benzoic acid derivatives
08/27/1997EP0643691B1 Process for preparing odourless fatty alcohol ether sulphates
08/26/1997CA2124454C Process for preparing ketone enantiomer
08/21/1997WO1997022636A3 Iodonitriles as chain transfer agents in the manufacture of perfluoropolymers
08/21/1997WO1997014653A3 Process and device for recovering purified ionic surfactants from washing solutions, in particular for washing contaminated soil
08/20/1997EP0789697A1 NOVEL CRYSTAL FORM OF ANHYDROUS 7-((1a,5a, 6a)-6-AMINO-3-AZABICYCLO ( 3.1.0]HEX-3-YL)-6-FLUORO-1-(2,4-DIFLUOROPHENYL)-1,4-DIHYDRO-4-OXO-1,8-NAPHTHYRIDINE-3-CARBOXYLIC ACID, METHANESULFONIC ACID SALT
08/20/1997EP0765302A4 Process for preparing isethionate ethoxylates
08/19/1997US5659074 Herbicide intermediates
08/13/1997EP0659175B1 Optically active alkylammonium (amino-3 phenyl)-1 ethanesulfonate derivatives, preparation and use thereof
08/07/1997WO1997028119A1 Synthesis of anionic cleaning agents
08/07/1997CA2244082A1 Synthesis of anionic cleaning agents
08/06/1997CN1156448A Improved process for making sulfonyl isocyanates
08/06/1997CN1156142A Process for preparing mesylamido-phenethylamine derivative
08/06/1997CN1156141A Phenethylamine derivative with cardiovascular activity
08/05/1997US5654467 Reacting an amino protected aminoethyl alcohol with methanesulfonyl chloride; filtration; reacting with an ethylenediamine
07/1997
07/31/1997WO1997027171A1 Process for preparing n-(3-amino-4-chlorophenyl) acylamides
07/30/1997EP0785918A1 Fats
07/29/1997US5652268 Treating cardiovascular disorders
07/23/1997EP0729654A4 Connector with side-swipe contacts
07/22/1997US5650527 Preparation of amido ester compounds
07/22/1997US5650509 Sterically hindered phenols
07/22/1997US5650386 Compositions for oral delivery of active agents
07/16/1997EP0783485A1 Method of producing free n-acyl amino-carboxylic and sulphonic acids
07/16/1997EP0783484A1 Process for producing n-acylaminocarboxylic acids and n-acylaminosulphonic acids and their alkaline metal salts
07/16/1997EP0783473A1 Process for the purification of 2,6-diisopropylphenol
07/16/1997EP0706584B1 Process for preparing perfluoroalkanesulfonyl fluorides
07/15/1997US5648528 Betaines
07/15/1997US5648527 Saturated fluoroalkylamines and their derivatives, and mixtures thereof
07/15/1997US5648522 Process for the synthesis of fluorinated sulphonic acids
07/10/1997WO1997024309A1 Method for preparation of perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids
07/10/1997CA2241234A1 Method for preparation of perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids
07/08/1997US5646327 Method for preparing hydroxylamines using vinylic compounds without base neutralization and reaction mixture produced thereby
07/08/1997US5646320 Process for making isethionate ester salts
07/03/1997WO1997023525A1 Process for making (thio)urethanes under superatmospheric conditions
07/03/1997WO1997023448A1 Preparation of bis(fluoroalkylenesulfonyl)imides and (fluoroalkylsulfonyl) (fluorosulfonyl)imides
06/1997
06/26/1997WO1997022636A2 Iodonitriles as chain transfer agents in the manufacture of perfluoropolymers
06/25/1997EP0780367A2 Anionic detergent mixture
06/19/1997WO1997021671A1 Novel sulfonate ester
06/18/1997EP0778825A1 Improved process for making sulfonyl isocyanates
06/18/1997EP0673365B1 Detergent production
06/18/1997EP0670828B1 Sulphited fats with a reduced free-bisulphite content
06/17/1997US5639781 Alcohol or aldehyde derivatives and their use
06/12/1997WO1997020806A1 Indane compounds with smooth muscle relaxing and/or mast cell stabilising and/or anti-inflammatory activity
06/12/1997WO1997020805A1 Indane dimer compounds with smooth muscle relaxing and/or mast cell stabilising and/or antiinflammatory activity
06/12/1997WO1997020802A1 Indane dimer compounds and their pharmaceutical use
06/11/1997EP0778268A1 Trifluoromethanesulfinanilide compound and use thereof
06/11/1997EP0777648A1 A process for preparing purified alkali metal salts of 4-sulfophenyl- (1-oxyalkanoyl)amino]alkanoate without isolation of intermediates
06/10/1997US5637763 Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof and a process for the preparation of N,N'-substituted ureas
06/10/1997US5637755 Sulfonate compound process for producing the same, and bleach composition comprising the same
06/04/1997EP0557519B1 Process for preparing sulfonamide derivative of norbornane
06/04/1997CN1151153A Fluoroalkylethoxylate compositions having enhanced water solubility
05/1997
05/29/1997WO1997019056A1 Method of preparing 2-trifluoromethoxybenzene sulphonamide
05/29/1997WO1997019038A1 Perfluoroalkylation method and reagent therefor
05/28/1997EP0682652B1 Process to improve alkyl ester sulfonate surfactant compositions
05/28/1997EP0660820B1 No-bleach process for making sulfonated fatty acid alkyl ester surfactant
05/28/1997CN1150796A Process for preparation of aromatic or heteroaromatic sulfonyl halides
05/27/1997US5633400 Process for the preparation of biphenyl derivatives
05/27/1997US5633239 Substituted benzenesulfonylureas and -thioureas, processes for their preparation, their use for the production of pharmaceutical preparations, and medicaments containing them
05/24/1997CA2190801A1 Leukotriene antagonistic benzoic acid derivatives
05/22/1997WO1997018190A1 N-protected/n-substituted-beta-amino hydroxy sulfonates
05/22/1997WO1997018189A1 Fatty alcohol (ether) sulphates with improved low-temperature behaviour
05/22/1997DE19543323A1 Verfahren zur Herstellung von 2-Trifluormethoxy-benzolsulfonamid A process for the preparation of 2-trifluoromethoxy-benzenesulfonamide
05/22/1997DE19542569A1 Fettalkohol(ether)sulfate mit verbessertem Kälteverhalten Fatty alcohol (ether) sulfates with improved low-temperature behavior
05/22/1997CA2237936A1 N-protected/n-substituted-beta-amino hydroxy sulfonates
05/21/1997EP0774459A1 Sulfonylamino-substituted benzoylguanidines, process for their preparation, their use as medicament or diagnostic agent as well as medicament containing them
05/21/1997CN2254447Y External circulation reaction apparatus for esterification of sulfates
05/15/1997CA2190220A1 Sulfonylamino-substituted benzoylguanidines, a process for their preparation, their use as medicament of diagnostic aid, and medicament containing them
05/14/1997EP0772623A1 Soluble combinatorial libraries
05/14/1997EP0772575A1 Preparation of halogenated compounds
05/09/1997WO1997016418A1 Novel sulfamate compound containing n-substituted carbamoyl group and method for preparing the same
05/09/1997WO1997016416A1 Process for preparing short-chain alkyl sulphates
05/07/1997DE19540544A1 Ethanol-2-Ý(4-aminophenyl)-sulphonyl¨ hydrogen sulphate compound preparation
05/06/1997US5627318 Mechanical force sensing semiconductor device
05/06/1997US5627292 Ion conductive material for polyelectrolytes and light modulators
05/02/1997EP0770599A1 Process for the preparation of aromatic or heteroaromatic sulfonyl halides
04/1997
04/30/1997DE19540295A1 Verfahren zur Herstellung kurzkettiger Alkylsulfate Process for the preparation of short-chain alkyl sulfates
04/30/1997CN1148847A Derivatives of aminosulfonic acids utilization of the same in the synthesis of pseudopeptides and process for their preparation
04/30/1997CN1148596A Noval crystal type anhydrous 7-([1 alpha, 5 alpha, 6 alpha]-6-amino-3-azabicyclo[3,1,0]hexyl-3-group)-6-fluorine-1-(2,4-difluorophenyl
04/29/1997US5624961 Benzylaminoethoxybenzene derivatives, production thereof and use thereof
04/24/1997WO1997014774A1 Overbased magnesium sulphonates
04/24/1997WO1997014676A1 Improved process for preparing linear alkylbenzene sulfonates
04/24/1997WO1997014653A2 Process and device for recovering purified ionic surfactants from washing solutions, in particular for washing contaminated soil
04/24/1997CA2232342A1 Overbased magnesium sulphonates
04/23/1997EP0769016A1 Process for producing light-coloured surfactants
04/23/1997EP0629187B1 Direct-dyeing colouring agents for natural and synthetic fibres
04/23/1997CN1148040A Recovery and treatment of mother solution of mono sodium 2-naphthylamine-5,7 disulfonic acid
04/16/1997CN1147504A Process for preparation of 2-fluorocyclopropylamine sulfonic acid salts and chemical compound 2-fluorocyclopropyl isocyanate
04/15/1997US5621139 Process for preparing alkoxylated alkyl glyceryl ether sulfonates
04/15/1997US5621097 Oxidation of organosulphur compounds
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