Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
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)
12/1998
12/16/1998EP0721450B1 Method for the heat treatment and degassing of sulphonic acid
12/15/1998US5849796 Ortho-substituted benzoil acid derivatives
12/09/1998EP0882116A1 Mixture of earth-alkaline metal alkyl-aryl-sulphonates, its use as additive for lubricating oil and method of preparation
12/09/1998EP0882011A1 Process for preparing n-(3-amino-4-chlorophenyl) acylamides
12/09/1998EP0759902B1 Derivatives of aminosulfonic acids, utilization of the same in the synthesis of pseudopeptides and process for their preparation
12/08/1998US5847210 Process for producing surfactant composition
12/08/1998US5847201 N-protected/N-substituted-beta-amino hydroxy sulfonates
12/08/1998US5847183 Fatty alcohol (ether) sulfates with improved low-temperature behavior
12/08/1998US5847171 Molecular organic compound with ferromagnetic properties and a method of producing it
12/02/1998EP0881214A1 Process for preparing distyrylbiphenyl compounds
12/02/1998CN1200722A Process for purifying diphenyl ether compound
12/02/1998CN1200717A Process for preparing 4-bromo-1,1-difluorbut-1-ene and 2,4-dibromo-1,1,1-trifluorobutane
12/01/1998US5843999 2-phenylazulene derivatives and a manufacturing method of these compounds
12/01/1998CA2124536C Process for the preparation of alcanesulfonic acids
11/1998
11/26/1998WO1998052886A1 Method for the synthesis of perfluorosulphonamides, perfluorosulphonamides and their salts, and a sulphonation reagent
11/25/1998EP0879816A1 Process for producing arylsulfonylureide compounds
11/25/1998EP0879222A1 Method for preparation of perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids
11/24/1998US5840972 Process for preparing NG -monoalkyl-L-arginine and related compounds
11/24/1998US5840941 Process for the preparation of flowable, anhydrous acyloxyalkanesulfonates and their use
11/24/1998US5840761 Antiarrhythmia agents, inhibitors of the cellular na+/h+ antiporter
11/18/1998EP0804277B1 Regeneration of acids, in particular of strong organic acids, by electrodialysis using bipolar membranes
11/18/1998EP0746628B1 Use of sulphited substances for stuffing leather
11/17/1998US5837668 Acylating hydroxyalkanesulfonic acid with fatty acid at elevated temperature, quenching molten reaction mass in aqueous liquid comprising amphoteric and/or anionic surfactant, recovering blend
11/11/1998EP0876297A2 Process and device for recovering purified ionic surfactants from washing solutions, in particular for washing contaminated soil
11/11/1998CN1198735A Benzenesulphonamide derivatives, preparation thereof and therapeutical uses thereof
11/11/1998CN1198435A Method for producing fluorescent whitening agent
11/05/1998DE19718523A1 Amino-di:aryl-azo compounds preparation
11/05/1998DE19718196A1 New phosphine compounds for use as ligands in metal complex catalysts
11/04/1998EP0875502A1 Low base number sulphonates
11/04/1998EP0874800A1 Indane dimer compounds with smooth muscle relaxing and/or mast cell stabilising and/or antiinflammatory activity
11/04/1998EP0763138B1 Use of sulphated compounds for stuffing leather
11/03/1998USH1760 Process for glycol esters of an alkali metal salt of 5-sulfoisophthalic acid
10/1998
10/29/1998WO1998047844A1 SINGLE-STAGE METHOD FOR PRODUCING α-HYDROXY ETHERS BY OXIDIZING C=C-UNSATURATED COMPOUNDS WITH HYDROPEROXIDES
10/29/1998DE19736121A1 Einstufiges Verfahren zur Herstellung von alpha-Hydroxyethern durch Oxidation C=C-ungesättigter Verbindungen mit Hydroperoxiden Single-stage process for the preparation of alpha-hydroxy ethers by oxidation C = C unsaturated compounds with hydroperoxides
10/28/1998EP0873989A2 Process for the preparation of distyryl-biphenyl compounds
10/28/1998EP0873988A2 Process for the preparation of distyryl-biphenyl compounds
10/28/1998EP0873301A1 Indane compounds with smooth muscle relaxing and/or mast cell stabilising and/or anti-inflammatory activity
10/28/1998EP0476016B1 CNS active 8-heterocyclyl-2-aminotetralin derivatives
10/28/1998CN1197065A Process for production of distyryl-biphenyl fluorescent whitening agents
10/28/1998CN1040428C Preparation method for methane-sulfonic acid
10/22/1998WO1998046711A1 Method for producing sulfated fatty acid esters
10/22/1998DE19715833A1 Verfahren zur Herstellung von sulfatierten Fettsäureestern A process for the production of sulfated fatty acid esters
10/21/1998EP0722430B1 Dihalopropene compounds, insecticidal/acaricidal agents containing same, and intermediates for their production
10/21/1998CN1196352A Manufacturing method of organosulfur acaricide
10/15/1998WO1998045391A1 Use of glycerin sulfates as viscosity regulators for concentrated aqueous alkyl(ether) sulfate pastes
10/15/1998WO1998045265A1 Process for covalently coupling organic compounds utilizing diboron derivatives
10/15/1998CA2285455A1 Process for covalently coupling organic compounds utilizing diboron derivatives
10/14/1998EP0869939A1 Novel sulfonate ester
10/14/1998EP0711264B1 Process for the preparation of perfluoroalkyl iodide
10/14/1998EP0707565B1 Method of producing alkyl sulphates with improved properties
10/14/1998EP0700371B1 Process for the manfacture of linear hydrofluorocarbons containing end group hydrogen substituents and azeotropes thereof
10/14/1998CN1196045A Process for nitrating diphenyl ether compounds
10/14/1998CN1195662A New benzenesulfonylamine compounds, process for preparating them and pharmaceutical compositions containing them
10/08/1998WO1998043952A1 Process for producing perfluorovinyl ethersulfonic acid derivatives and copolymer of the same
10/08/1998DE19714043A1 Verwendung von Glycerinsulfaten als Viskositätsregulatoren für konzentrierte wäßrige Alkyl(ether)sulfatpasten Use of glycerol sulfates as viscosity regulators for concentrated aqueous alkyl (ether) sulfate pastes
10/07/1998EP0868447A2 Iodonitriles as chain transfer agents in the manufacture of perfluoropolymers
10/07/1998EP0716646B1 Process for sulfonating internal olefins
10/02/1998CA2211930A1 7-(n-substituted amino)-2-phenylheptanoic acid derivative and process for manufacturing the same
10/01/1998WO1998042660A1 Process for producing halogenoalkylsulfonamide derivatives
10/01/1998WO1998042658A1 Process for preparing a fatty acyl isethionate salt
10/01/1998WO1998042657A1 SYNTHESIS OF α,β-SUBSTITUTED AMINO AMIDES, ESTERS AND ACIDS
09/1998
09/30/1998EP0772575B1 Preparation of halogenated compounds
09/30/1998EP0769016B1 Process for producing light-coloured surfactants
09/30/1998CN1039995C Process for preparing acrylamide alkyl sulfonic acid
09/23/1998EP0865419A1 Indane dimer compounds and their pharmaceutical use
09/23/1998EP0746629B1 Use of sulfonated substances for stuffing leather
09/23/1998CN1193624A Alkali penetrating agent
09/23/1998CN1193621A Method for producing alkyl sulfates from refinery gas
09/22/1998US5811571 Process for preparing aromatic or heteroaromatic sulfonyl halides
09/17/1998WO1998040347A1 Process for the purification of substituted p-nitrodiphenylethers
09/17/1998WO1998040332A1 Process for the manufacture of arylsulfonyl chloride
09/17/1998WO1998040331A1 Preparation of preparing substituted indanones
09/17/1998DE19710738A1 Biodegradable aryl-sulphonic acid form-aldehyde condensate used as dispersant for ultraviolet absorber
09/16/1998EP0864561A1 Benzenesulfonylamine derivatives,process for their preparation and pharmaceutical compositions containing them
09/16/1998EP0863869A1 Method of preparing 2-trifluoromethoxybenzene sulphonamide
09/16/1998EP0863857A1 Perfluoroalkylation method and reagent therefor
09/15/1998US5808149 Method for producing high-purity fluoroalkylsulfonic acid anhydride
09/15/1998US5808141 Process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid
09/15/1998US5808118 Reaction product of diamine, sulfonic acid, and fatty acid, improved dispersibility and photostability
09/15/1998US5808116 Reacting iron, boron, or aluminum trihalide complex of 4,4',4?-trihalotriphenylmethane halide with salt of aromatic aminosulfonic acid; salt formation, complexing, amination
09/15/1998US5807896 Antiarrhythmia agents; sodium channel modulators; cardiovascular disorders
09/15/1998CA2102176C Sulfonation process for viscous sulfonic acid
09/11/1998WO1998039276A1 Process for producing optically active amines
09/09/1998EP0863133A2 Process for the preparation of 2-amino-ethanesulfonylazide acid addition slats, 2-amino-ethanesulfonylazide hydrochloride as well as its use
09/09/1998EP0863121A1 PROCESS FOR PREPARING m-HYDROXYALKYLBENZENE
09/09/1998EP0668905B1 Process for the easier purification of valuable materials and/or their mixtures in the field of wetting, washing and/or cleaning agents and related substances
09/09/1998CN1192731A Prepn. of amido ester compound
09/08/1998US5804094 Lubricating oil additives
09/03/1998WO1998038341A1 Composition for treating tanned leather, and its preparation
09/03/1998WO1998038160A1 N-sulphonyl and n-sulphinyl amino acid amides as microbicides
09/02/1998EP0861233A1 N-protected/n-substituted-beta-amino hydroxy sulfonates
09/01/1998US5801283 Desulfation, washing and dissolving with water
09/01/1998US5801281 Process for preparing 1,1'- (1,4- phenylenebis (methlene)-Bis 1,4,8,11-tetraazacyclotetradecane
09/01/1998US5801271 Chemical intermediates for antidepressants
08/1998
08/27/1998DE19707713A1 Zusammensetzung zur Behandlung von gegerbtem Leder, sowie ihre Herstellung Composition for the treatment of tanned leather, and their preparation
08/26/1998EP0859756A1 Preparation of amido ester compounds
08/26/1998EP0668874B1 Lhrh antagonists and intermediate products
08/26/1998CN1191217A N(1), N(2)-di (2,3-dihydroxy-4,6-disulfobenzyl) ethylene diamine chelant
08/25/1998CA2096928C Process for selectively ortho-fluorinating substituted aromatic compounds
08/20/1998WO1998035953A1 Process for preparing fluorinated beta-sultones
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