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)
07/1996
07/17/1996EP0721947A1 Alkyl(hetero)cyclic compounds, process for their preparation and pharmaceutical compositions containing them
07/17/1996EP0721938A1 Alkyl(hetero)cyclic compounds, process for their preparation and pharmaceutical compositions containing them
07/17/1996EP0721451A1 Acylated sulphonamides as insecticides and acaricides
07/17/1996EP0721450A1 Method for the heat treatment and degassing of sulphonic acid
07/10/1996CN1126502A Process for preparing perfluoroalkanesulfonyl fluorides
07/10/1996CN1126199A Process for preparing 3,4'-dinitrostilbene-2,2'-disulphonic acid and its salts
07/09/1996US5534642 Followed by conversion to phenyl ester sulfonates, simple, low cost, bleach activators for detergents
07/09/1996US5534168 Preparation of overbased magnesium sulphonates
07/03/1996EP0719758A1 Process for the production of aromatic olefines
07/03/1996EP0719250A1 Synthesis of amido acids from carboxylic acids and lactams
07/03/1996EP0719249A1 Synthesis of amido acids from carboxylic acid esters and amino acid salts
07/03/1996CN1125939A Process for producing acyloxybenzenesulfonic acid or salt thereof
07/03/1996CN1125722A Ortho-substituted benzoic acid derivatives
07/03/1996CN1125721A One-boiling synthetic process of methylsulphonyl chloride
07/03/1996CN1125714A Process for preparing new derivatives of 2,2-dinethyl cyclopropane carboxylic acid
07/02/1996CA1338433C Preparation of ó-arylalkanoic acids
06/1996
06/27/1996WO1996019447A1 Disubstituted p-fluorobenzolsulfonamides and their use in nmr diagnostics
06/27/1996WO1996019443A1 Process for the preparation of aromatic o-sulfocarboxylic acids and sulfonylureas
06/27/1996DE4447389A1 Disubstituierte p-Fluorbenzolsulfonamide Disubstituted p-Fluorbenzolsulfonamide
06/27/1996DE4446371A1 Light-coloured glycerol sulphate prepn. useful as solubilisers and hydrotropes
06/27/1996DE4446362A1 Aq. concentrates of fatty alcohol ether sulphate alkaline earth salts prodn.
06/27/1996DE4446337A1 Prodn. of 3-cyano-benzaldehyde cpds.
06/27/1996CA2208341A1 Disubstituted p-fluorobenzenesulfonamides
06/27/1996CA2207600A1 Process for the preparation of aromatic o-sulfocarboxylic acids and sulfonylureas
06/26/1996CN1125435A Novel sulfonate, process for producing the same, and bleaching composition containing the same
06/20/1996WO1996018609A1 Formation and utility of sulfonic acid protecting groups
06/19/1996EP0717080A1 Method for the preparation of triphenylmethan colorants
06/19/1996EP0717032A2 Process for the preparation of alkoxylated alkyl glyceryl ether sulfonates
06/19/1996EP0716646A1 Process for sulfonating internal olefins
06/19/1996CN1124732A Mixed monochloro-propenyl sodium sulfonate and producing process and use thereof
06/18/1996US5527777 Peptide compounds, in particular LHRH-antagonists
06/13/1996DE4443643A1 Prepn. of anionic glucamide detergents without strong oxidn. of sugar components
06/12/1996EP0715649A1 Process for preparing concentrated surfactant mixtures containing magnesium
06/12/1996CN1124497A Purification of secondary (2,3) alkyl sulfate surfactants
06/06/1996WO1996016921A1 A method for inhibiting premature polymerization of vinyl aromatic monomers
06/05/1996EP0714888A1 Preparation of alkanesulphonic acids by photo-oxidation of sulphur derivatives
06/04/1996US5523475 2-nitro-3-hydroxybenzoic acids as enzyme inhibitors of 3-hydroxyanthranilate oxygenase active in producing the neurotoxin, quinolinic acid
06/04/1996US5523471 Reacting an alcohol with hydroxyalkanesulfonic acid salts under basic catalysis, neutralizing with ether-sulfonic acid
06/04/1996US5523469 Reacting alkali metal sulfite on 1-(1-bromoethyl)-3-nitrobenzene; conversion to potassium salt; conversion to benzylquinium salt; then quaternization
06/04/1996US5523434 Reacting acylamino acid with acid halide, reacting acid halide formed with phenol sulfonate in presence of water and base to form phenol sulfonate ester
06/04/1996US5523432 Process for the production of quaternary ammonium salts of fatty acid hydroxyalkanesulfonic acids
06/04/1996US5523396 Esterification of polyhydroxy compound with 1,2-naphthoquinonediazide-5-sulfonyl chloride in the presence of a basic catalyst
05/1996
05/30/1996WO1996016032A1 Process for producing alkylbenzole sulphonic acid
05/30/1996DE4441729A1 Verfahren zur Herstellung von Alkylbenzolsulfonsäure A process for the production of alkylbenzene sulfonic acid
05/29/1996EP0585265B1 Process for producing epoxy open ring products with a defined residual epoxy oxygen content
05/22/1996EP0712841A1 Process for the preparation of 3(N-aryl-amino)-propyl-2'-sulfatoethylsulfonyl compounds
05/22/1996EP0712391A1 Liquid compositions containing a sulphosuccinic acid diester
05/15/1996EP0711753A1 Preparation of a precious metal salt of a nonoxidizing acid by direct reaction
05/15/1996EP0711264A1 Process for the preparation of perfluoroalkyl iodide
05/15/1996CN1122595A Process for preparing NG-monoalkyl-l-arginine and related compounds
05/14/1996US5516461 Process and composition
05/08/1996EP0710647A1 Oxidation of organosulphur compounds
05/08/1996CN1031751C Process for synthesis of high purity dimethyl disulfide and methane-sulfonic acid without three wastes
05/07/1996US5514493 Salts contain tertiary amino groups; batteries including the electrolytes; sulfonimides and sulfonyl methides are new compounds.
05/07/1996US5514368 Ethoxylation and sulfonation with sulfur trioxide and neutralization with base
05/01/1996EP0709339A1 Hydrogen peroxide process, integrated process for epoxidation and novel alkylammonium salts of sulfonic acid-substituted anthrahydroquinone and anthraquinone
05/01/1996EP0613461B1 Method of preparing sulphated fatty-acid alkanolamides
05/01/1996EP0571405B1 Process for preparing 4-alkylsulfonyl-1-alkyl-2-chlorobenzenes and intermediates
04/1996
04/30/1996US5512679 Process for the preparation of 2-aryl-ethane-sulphonic acids
04/24/1996EP0708087A1 Method for making a substituted benzene compound
04/24/1996EP0707565A1 Method of producing alkyl sulphates with improved properties
04/24/1996EP0707511A1 Method of separating a solute from other solutes
04/24/1996CN1121345A New compounds
04/24/1996CN1121069A Process for the preparation of alkanesulphonic acids
04/23/1996US5510532 Stable conducting polymer and processes for the preparation thereof
04/23/1996US5510518 Process for the hydrosulfination of olefins
04/19/1996CA2160755A1 Method for making a substituted benzene compound
04/18/1996WO1996011177A1 Fats
04/17/1996EP0707094A1 Process for preparing perfluoroalkanesulfonyl fluorides
04/17/1996EP0706584A1 Process for preparing perfluoroalkanesulfonyl fluorides
04/17/1996EP0706511A1 Preparation of ammonium hydroxyalkyl/alkanoylalkyl sulfonates
04/17/1996CN1031561C Process for preparation of large grain ammonium sulphate
04/16/1996US5508402 Process for the preparation of N,N'-substituted ureas
04/11/1996DE4436066A1 Fettstoffe Fats
04/10/1996EP0706089A2 Process for synthesizing quinonediazide ester and positive working photoresist containing the same
04/09/1996CA1338239C Process for the preparation of internal olefin sulphonates
04/04/1996WO1996010004A1 Process for the purification of 2,6-diisopropylphenol
04/03/1996EP0704431A2 Ortho-substituted benzoic acid derivatives
04/02/1996US5504248 Preparation of halogenated compounds
03/1996
03/28/1996WO1996009279A1 Method of producing free n-acyl amino-carboxylic and sulphonic acids
03/28/1996WO1996009278A1 Process for producing n-acylaminocarboxylic acids and n-acylaminosulphonic acids and their alkaline metal salts
03/28/1996WO1996009039A1 Naphthyl compounds, intermediates, processes, compositions, and methods
03/28/1996DE4433977A1 Verfahren zur Herstellung von N-Acylaminocarbonsäuren und N-Acylaminosulfonsäuren sowie deren Alkalimetallsalzen A process for preparing N-acylamino carboxylic acids and N-acylamino sulfonic acids and their alkali metal salts
03/28/1996DE4433976A1 Verfahren zur Herstellung von freien N-Acylaminocarbon- und -sulfonsäuren A process for preparing the free N-acylaminocarboxylic and sulfonic acids
03/28/1996CA2200449A1 Naphthyl compounds, intermediates, processes, compositions, and methods
03/27/1996EP0703228A1 Naphthyl compounds, intermediates, processes, compositions involving them
03/27/1996CN1119435A Highly concentrated alkyl sulphate solutions
03/21/1996WO1996008470A1 Method of preparing light-coloured fatty acid monoglyceride sulphates
03/20/1996EP0701993A2 Process for the preparation of aminodiphenylamine compounds
03/20/1996CN1118784A Process for the preparation of heterosubstituted acetals
03/19/1996US5500474 Polyaniline sulfonates
03/19/1996CA1338174C Heteroatom containing perfluoroalkyl terminated neopentyl glycols and polymers therefrom
03/14/1996DE4432367A1 Verfahren zur Herstellung von hellfarbigen Fettsäuremonoglyceridsulfaten Process for the preparation of light-colored fatty acid monoglyceride
03/14/1996DE4432363A1 Continuous prepn. of malic acid di:ester sulphate
03/14/1996DE19533711A1 Industrial scale prodn. of F-contg. sulphon:imide(s) and their salts
03/13/1996EP0700900A1 Process for producing acyloxybenzenesulfonic acid or salt thereof
03/13/1996EP0700371A1 Process for the manfuacture of linear hydrofluorocarbons containing end group hydrogen substituents and azeotropes thereof
03/13/1996CN1118596A Method for improvement of surface active agent composition of alkyl sulfonate
03/12/1996US5498754 Process for refining crude fluoroalkylsulfonic acid with the use of water
03/12/1996US5498753 Process for preparing isethionate ethoxylates
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