| 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) |
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| 02/06/2001 | US6184190 Aqueous solution of an alpha sulfonate surfactant comprising 1,3-bis (hydroxymethyl)-5, 5-dimethylimidazolidine-2, 4 dione |
| 02/06/2001 | US6183648 Process for purification of organic sulfonates and novel product |
| 02/01/2001 | WO2000024709A3 Monomers, ionomers and polymers for electrochemical uses |
| 02/01/2001 | DE10028487A1 Organisches nicht reflektierendes Polymer und dessen Herstellung Organic non-reflective polymer and its preparation |
| 01/31/2001 | EP1072586A1 Purification of alkanesulfonic acids |
| 01/31/2001 | CN1281843A Improvement of 2-naphthol synthesis process |
| 01/30/2001 | US6180665 Crystalline polymorphic form of (S,S,S)-N-(1-[2-carboxy-3 (N2-mesyllyslamino) propyl]-1- cyclopentylcarbonyl) tyrosine |
| 01/27/2001 | CA2314179A1 Purification of alkanesulfonic acids |
| 01/25/2001 | WO2001005755A1 Detergent compositions containing modified alkylaryl sulfonate surfactants |
| 01/25/2001 | WO2001005754A1 Method for the preparation of 2-methoxy-4-(n-t-butylamino-carbonyl)-benzenesulfonyl chloride |
| 01/25/2001 | WO2001005354A2 Improved process for the preparation of benzenesulfonylureas as oral hypoglycemic agents of the second generation |
| 01/25/2001 | DE10028344A1 Organisches,nicht reflektierendes Überzugspolymer und dessen Herstellungsverfahren Organic, non-reflective coating polymer and its production method |
| 01/25/2001 | CA2379394A1 Detergent compositions containing modified alkylaryl sulfonate surfactants |
| 01/18/2001 | WO2001004092A1 Process for the preparation of tricyclic amino alcohol derivatives |
| 01/18/2001 | CA2377760A1 Process for the preparation of tricyclic amino alcohol derivatives |
| 01/17/2001 | EP1068180A1 Process for alkylating hindered sulfonamides useful in the production of matrix metalloprotenase inhibitors |
| 01/17/2001 | CN1280123A Method for preparing J acid (7-amino-4-hydroxy-2-naphthalonesulfonic acid) |
| 01/17/2001 | CN1280037A Method for recovering strong acid from aqueous solution |
| 01/17/2001 | CN1060767C Substituted benzene sulfonyl usea and benzene sulfonyl thiourea and mfg, method and use as raw material for medicine and medicine containing them |
| 01/17/2001 | CN1060765C Method for preparing high alkali bimetallic compound sulfonate |
| 01/16/2001 | CA2223404C Novel crystal form of anhydrous 7-(¬1.alpha., 5.alpha., 6.alpha.|-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 |
| 01/11/2001 | WO2001002348A1 Method for preparing sulphonate salts |
| 01/11/2001 | WO2001002332A2 Process for the preparation of 3,3-dimethylbutanal |
| 01/11/2001 | CA2376481A1 Method for preparing sulphonate salts |
| 01/10/2001 | EP1066252A1 A process of controlling particle size of naphthoquinone diazide esters |
| 01/10/2001 | CN1279665A Method for functionalizing phenolic compound bearing electron-donor group |
| 01/09/2001 | US6172261 Biosynthesis using chain extension |
| 01/09/2001 | US6172108 Hydrazide compounds |
| 01/04/2001 | WO2001000608A1 Process for the synthesis of n-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulfonyl)-2-hydroxy-2-methylpropionamide |
| 01/04/2001 | WO2001000573A1 Indanyl-substituted benzole carbonamide, method for the production of the same, use thereof as a medicament and pharmaceutical preparations containing the same |
| 01/04/2001 | WO2001000572A1 PROCESS FOR PRODUCING α-SULFO-FATTY ACID ALKYL ESTER SALT |
| 01/04/2001 | WO2001000322A1 Immobilized photocatalyst |
| 01/04/2001 | CA2377087A1 Indanyl-substituted benzole carbonamide, method for the production of the same, use thereof as a medicament and pharmaceutical preparations containing the same |
| 01/03/2001 | EP1065199A2 "Process for the recovery of strong acids from aqueous solution" |
| 01/03/2001 | EP1064258A1 Process for the preparation of sulphonated distyryl-biphenyl compounds |
| 01/03/2001 | EP0825979B1 Process for the catalytic hydrogenation of aromatic nitro compounds |
| 01/03/2001 | CN1060162C Substituted benzene sulfone urea, benzenesulfonyl thiourea, its preparing method, application of preparation for producing medicine and drugs containing them |
| 12/28/2000 | DE19929076A1 New indanyl-substituted benzenesulfonamide derivatives, as potassium channel blockers useful as safe antiarrhythmic agents, e.g. for treating atrial fibrillation or flutter |
| 12/28/2000 | DE19929053A1 Stable, highly active, reusable photocatalyst comprising phthalocyanine or tetraphenyl-porphyrin derivative on ion exchange resin carrier, useful in singlet oxygen oxidations e.g. in waste water treatment |
| 12/27/2000 | EP1063228A1 Cycloalkene derivatives, process for producing the same, and use |
| 12/27/2000 | EP0918751B1 Process for the dealkylating sulfonation of p-alkyl calixarenes |
| 12/27/2000 | EP0815075B1 Synthesis of bleach activators |
| 12/27/2000 | CN1059914C Method for preparation of ammonium methyl N. N. N-trimethyl-N abietylsulfate |
| 12/26/2000 | US6166267 Synthesis of n-silylated cyclopentaphenanthrene compounds |
| 12/26/2000 | US6166262 Surfactant manufacture |
| 12/26/2000 | US6166157 Iodonitriles as chain transfer agents in the manufacture of perfluoropolymers |
| 12/21/2000 | WO2000076960A1 Process for the preparation of optically active n-acyl derivatives of methyl n-(2,6-dimethylphenyl)-d-alaninate |
| 12/21/2000 | WO2000076942A1 Sulphonylamides and carboxamides and their use in asymmetrical catalysis |
| 12/21/2000 | WO2000044710A3 Acetylenic aryl sulfonamide and phosphinic acid amide hydroxamic acid tace inhibitors |
| 12/21/2000 | WO2000044709A3 ACETYLENIC α-AMINO ACID-BASED SULFONAMIDE HYDROXAMIC ACID TACE INHIBITORS |
| 12/21/2000 | CA2374553A1 Sulphonylamides and carboxamides and their use in asymetrical catalysis |
| 12/20/2000 | EP1061062A1 Process for producing butanetriol derivative |
| 12/20/2000 | EP0842148B1 Benzenesulphonamide derivatives, preparation thereof and therapeutical uses thereof |
| 12/20/2000 | EP0801642B1 Novel sulfamate compound containing n-substituted carbamoyl group and method for preparing the same |
| 12/19/2000 | US6162933 By single-stage reaction of amidocarboxylic acids with inorganic acid halides and a phenol derivative; lower energy use and simple removal of the solvent by distillation or by precipitating out reaction product; use as bleach activators |
| 12/13/2000 | CN1276369A Process for preparing 4,6-diamino-m-benzenediol |
| 12/13/2000 | CN1059434C Process for preparing substd. phenylacetic acid derivs. and intermediates |
| 12/12/2000 | US6160180 Tertiary phosphanes containing alkylene glycol groups |
| 12/12/2000 | US6160169 Sulfonating nitrotoluene with oleum to form 4-nitrotoluene-2-sulfonic acid, diluting with water, partially neutralizing the product with mineral base, extracting with a liophilic amine, basefying and condensation |
| 12/12/2000 | US6160141 Reacting a hydrocarbylsulfonic ester of methyl lesquerolate with diazabicycloundecene to form high yield of 11-cis, 13-trans eicosadienoic acid |
| 12/12/2000 | US6159912 Low viscosity, chloride-free, low overbased alkyl-aryl-sulfonate, its application as an additive for lubricating oil, and methods of preparation |
| 12/12/2000 | CA2104116C Process for the preparation of 4-alkylsulfonyl-1-alkyl-2-chlorobenzenes and the like |
| 12/07/2000 | WO2000073391A1 Process for making dyes of high purity |
| 12/06/2000 | EP1056693A1 Anionic surfactants based on alkene sulfonic acid |
| 12/06/2000 | EP0888295A4 Synthesis of anionic cleaning agents |
| 12/05/2000 | US6156930 Method for producing trifluoromethanesulfonyl chloride |
| 12/05/2000 | US6156800 Drugs for cardiovascular disorders and hypotensive agents |
| 12/05/2000 | US6156207 Process for the removal of metal compounds from an aqueous acid solution |
| 11/30/2000 | WO2000071513A1 Cinnamoylaminoalkyl-substituted benzenesulfonamide derivatives |
| 11/30/2000 | WO2000071506A2 Naphthalene ureas as glucose uptake enhancers |
| 11/30/2000 | WO2000071244A1 Inhibition of build-up in reaction vessels |
| 11/30/2000 | CA2374225A1 Naphthalene ureas as glucose uptake enhancers |
| 11/30/2000 | CA2373095A1 Inhibition of build-up in reaction vessels |
| 11/29/2000 | EP1055414A1 Cosmetic or dermatological photoprotective preparations containing boron nitride and sulfonated UV filters as well as the use of boron nitride to stabilize emulsions containing electrolytes, especially sulfonated UV filters |
| 11/29/2000 | CN1274716A Preparation of sulfanilic acid |
| 11/28/2000 | US6153774 Silver ion chromatography of high purity conjugated linoleic acid (CLA) |
| 11/23/2000 | DE19923773A1 Kosmetische oder dermatologische Lichtschutzzubereitungen mit einem Gehalt an Bornitrid und sulfonierten UV-Filtersubstanzen sowie die Verwendung von Bornitrid zur Stabilisierung von Emulsionen, die einen Gehalt an Elektrolyten, insbesondere einen Gehalt an sulfonierten UV-Filtersubstanzen, aufweisen Cosmetic or dermatological light protection preparations containing boron nitride and sulfonated UV filter substances and the use of boron nitride for stabilizing emulsions having a content of electrolytes, especially a content of sulfonated UV filter substances, |
| 11/23/2000 | DE19923086A1 New cinnamoylaminoalkyl-substituted benzenesulfonamide derivatives, are ATP-sensitive potassium channel inhibitors and vagal nervous system stimulants useful for treating cardiovascular disorders |
| 11/22/2000 | EP1053508A1 A process for making a photoactive compound and photoresist therefrom |
| 11/22/2000 | CN1273968A Method for preparing 1,2-naphthaqinone-2-diazo-4-sulfonic acid chloride |
| 11/22/2000 | CN1058705C Substituted benzene sulfone urea, benzensulfonyl thiourea its prepn., its application as medicine or diagnostic medicine and drugs containing it |
| 11/21/2000 | US6150356 Potassium channel inhibitors and method |
| 11/15/2000 | EP1052257A1 Process for producing optically active threo-3-amino-1,2-epoxy compounds |
| 11/15/2000 | CN1273573A Method for the synthesis of perfluorosulphonamides, perfluorosulfphonamides and their salts and sulphonation reagent |
| 11/14/2000 | US6147258 Preparation of substituted guanidine derivatives |
| 11/14/2000 | US6147253 N-protected/N-substituted-beta-amino-hydroxy sulfonates |
| 11/14/2000 | US6147248 4-jod-2[N-(N-alkyl-aminocarbonyl)-aminosulfonyl]-benzoic acid methyl ester and derivatived thereof and method for their production |
| 11/14/2000 | US6146455 Crystal modification of C.I. Pigment Red 53:2 (δ-phase) |
| 11/09/2000 | WO2000010968A3 Novel aryl sulphonamide amino acid esters and analogues |
| 11/08/2000 | EP1049475A1 KINESIN MOTOR MODULATORS DERIVED FROM THE MARINE SPONGE $i(ADOCIA) |
| 11/08/2000 | CN1272839A Process for preparing i(o)-(carboalkoxy) phenylmethanesulfonyl chloride derivatives |
| 11/08/2000 | CN1272838A Improved process for making surfactants via adsorptive separation and products thereof |
| 11/08/2000 | CN1272489A Method for extracting dimethyl sulfate by using sulfur as initiation raw material |
| 11/07/2000 | US6143929 Comprising reacting an o-alkylisourea salt and a primary or secondary amine in the presence of crystals of a guanidine derivative |
| 11/07/2000 | US6143924 Process for producing organic sulfur acids or salts thereof |
| 11/02/2000 | WO2000064867A1 Process for preparing and isolating sulfonated internal olefins |
| 11/02/2000 | WO2000046235B1 Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors |
| 11/02/2000 | EP1048644A1 Process for the preparation of 4,6-diaminoresorcin |
| 11/02/2000 | EP1047483A1 Separation process |
| 11/02/2000 | EP0673365B2 Detergent production |