| 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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| 02/12/1998 | CA2262499A1 Method for grafting a substituted difluoromethyle group |
| 02/11/1998 | CN1172800A Preparation technology and equipment for sodium salt of methyl propenyl sulfonic acid |
| 02/10/1998 | US5716980 Alcohol or aldehyde derivatives and their use |
| 02/05/1998 | WO1998004568A1 Tertiary phosphanes containing alkylene glycol groups |
| 02/05/1998 | CA2261709A1 Tertiary phosphines containing alkylene glycol groups |
| 02/03/1998 | US5714622 Molecular organic compound with ferromagnetic properties and a method of producing it |
| 01/29/1998 | WO1998003518A2 New bis-platinum complexes with polymethylene derivatives as ligands having antitumor activity |
| 01/29/1998 | WO1998003470A1 Novel method for preparing aromatic amides and intermediates therefor |
| 01/27/1998 | US5712416 Oxidation and condensation of phenol to form benzoquinone in the presence of oxygen transfer catalysts of iron, manganese and chromium dihydrodibenzotetraza(14)annulenes |
| 01/21/1998 | CN1171101A Process for preparation of aromatic 0-sulfocarboxylic acids and sulfonylureas |
| 01/20/1998 | US5710320 Components of imaging systems |
| 01/14/1998 | EP0818436A1 Process for the preparation of 4-hydroxyanilines |
| 01/14/1998 | EP0817777A1 Process for preparing 1,1'- 1,4-phenylenebis-(methylene)]-bis-1,4,8,11-tetraazacyclotetradecane |
| 01/14/1998 | EP0817674A1 Multitube falling film reactor for the continuous manufacturing of sulfonated and/or sulfated compounds |
| 01/14/1998 | EP0817643A1 Compounds and compositions for delivering active agents |
| 01/14/1998 | CN1169987A Ortho-substituen benzoyl guanidine, its preparation, use and mecdicines containing it |
| 01/08/1998 | WO1998000396A2 4-jod-2[n-(n-alkyl-aminocarbonyl)-aminosulfonyl]-benzoic acid methyl ester and derivatived thereof and method for their production |
| 01/07/1998 | EP0815075A1 Synthesis of bleach activators |
| 01/07/1998 | EP0815067A2 Process for the alkoxylation of fluorinated alcohols |
| 01/06/1998 | US5705691 Chemical process |
| 01/06/1998 | US5705647 Intermediates for making HIV-protease inhibitors |
| 01/02/1998 | DE19625831A1 4-Jod-2-[N-(N-alkyl-aminocarbonyl)- aminosulfonyl)]-benzoesäuremethylester und -derivate und Verfahren zu deren Herstellung 4-iodo-2- [N- (N-alkyl-aminocarbonyl) - aminosulfonyl)] - benzoic acid methyl ester and derivatives thereof and processes for their preparation |
| 12/31/1997 | WO1997049677A1 Process for the dealkylating sulfonation of p-alkyl calixarenes |
| 12/31/1997 | CN1169121A Regenerating acid, particularly strong organic acid, using bipolar membranes |
| 12/31/1997 | CA2258904A1 Process for the dealkylating sulfonation of p-alkyl calixarenes |
| 12/30/1997 | US5703269 Process for preparing aromatic olefins |
| 12/30/1997 | US5703246 Reacting an organometallic compound with organosulfur compound |
| 12/30/1997 | US5703121 Method of treating disorders of the melatoninergic system and a certain benzofuran containing compound |
| 12/30/1997 | CA1339611C Cyclopentane derivatives |
| 12/29/1997 | EP0814077A1 Benzoylguanidines, process for their preparation and medicaments containing them |
| 12/29/1997 | EP0813523A2 Preparation of n-arylmethyl aziridine derivatives, 1,4,7,10-tetraazacyclododecane derivatives obtained therefrom and n-arylmethyl-ethanol-amine sulphonate esters as intermediates |
| 12/29/1997 | EP0813518A1 Process for preparing alpha,beta-diaminoacrylnitriles |
| 12/24/1997 | CN1036782C Secondary alkyl sulphate / zeolite containing surfactant composition |
| 12/18/1997 | CA2207886A1 Ortho-substituted benzoylguanidines, process for their preparation, their use as a medicament or diagnostic, and medicament comprising them |
| 12/17/1997 | EP0812314A1 Magnesium low base number sulphonates |
| 12/17/1997 | EP0812313A2 Low base number sulphonates |
| 12/17/1997 | EP0675801A4 Phenolic acid sulfate esters for prevention of marine biofouling. |
| 12/17/1997 | CN1167758A Substd. 1-naphthoyl guanidines, their preparing method, use and drug contg. them |
| 12/16/1997 | US5698830 Process for the preparation of alkanesulphonic acids |
| 12/16/1997 | US5698755 Process for preparing aromatic olefins using palladacycle catalysis |
| 12/16/1997 | US5698744 Process for the selective oxidation of compounds |
| 12/16/1997 | US5698735 Reacting sulfonyloxy-activated hydroxyacetic acid with an aromatic compound |
| 12/16/1997 | US5698596 Substituted benzenesulfonylureas and thioureas process for their preparation and their use as pharmaceuticals |
| 12/16/1997 | US5698591 Trifluoromethanesulfinanilide, process for preparing trifluoromethanesulfonanilide from the same, and a controlling agent formulated from trifluoromethanesulfinanilide |
| 12/14/1997 | CA2207070A1 Scavenger assisted combinatorial process for preparing libraries of amides, carbamates and sulfonamides |
| 12/04/1997 | WO1997045402A1 Phenylsulfonamide derivatives |
| 12/04/1997 | WO1997045115A1 Pharmaceutical for treatment of neurological and neuropsychiatric disorders |
| 12/04/1997 | CA2619901A1 Pharmaceutical for treatment of neurological and neuropsychiatric disorders |
| 12/04/1997 | CA2580650A1 Novel aromatic and aliphatic sulfonates and properties and applications thereof |
| 12/03/1997 | EP0810264A2 Process for the manufacture of phenyl azo naphthalene |
| 12/03/1997 | EP0810205A1 Substituted 1-naphtoylguanidines, process for their preparation, their use as medicament or diagnostic agent and medicaments containing them |
| 12/03/1997 | CN1166820A Method for inhibiting premature polymerization of vinyl aromatic monomers |
| 12/03/1997 | CN1166485A Process for purification of alkanesulphonyl chloride and of corresponding alkanesulphonyl acid |
| 12/02/1997 | US5693855 Process for the synthesis of fluorinated sulfonic acids |
| 12/02/1997 | US5693665 Alkylated (hetero) cyclic compounds |
| 11/27/1997 | WO1997044316A1 Catalytic asymmetric aminohydroxylation of olefins with sulfonamides |
| 11/27/1997 | WO1997044312A1 TWO STEP SYNTHESIS OF D- AND L- α-AMINO ACIDS AND D- AND L- α-AMINO ALDEHYDES |
| 11/25/1997 | US5691299 Sulfonation and salt formation for detergents |
| 11/19/1997 | EP0807103A1 Dimeric alcohol-bis and trimeric alcohol-tris-sulphates and ether sulphates |
| 11/19/1997 | EP0536177B1 Thrombin inhibitors based on the amino acid sequence of hirudin |
| 11/19/1997 | CN1165136A Method for preparing methyl sulfonic acid |
| 11/18/1997 | US5688982 No-bleach process for making sulfonated fatty acid alkyl ester surfactant |
| 11/18/1997 | US5688527 Lysine derivatives, process of preparation, uses, and compositions comprising them |
| 11/13/1997 | WO1997042230A1 Rapid purification by polymer supported quench |
| 11/13/1997 | CA2251700A1 Rapid purification by polymer supported quench |
| 11/11/1997 | US5686492 Disubstituted p-fluorobenzenesulfonamides |
| 11/11/1997 | US5686085 Facilitating compaction |
| 11/06/1997 | WO1997041095A1 N-acyl aminoalkane sulfonate and amphoteric surfactant blends and methods for preparing the same |
| 11/06/1997 | WO1997041094A1 Acyloxyalkane sulfonate and amphoteric surfactant blend compositions and methods for preparing same |
| 11/05/1997 | EP0804277A2 Regenerating acids, particularly strong organic acids, using bipolar membranes |
| 11/05/1997 | EP0695290B1 N-fluorosulphonimides, method of preparing them and their use as fluorination agents |
| 11/04/1997 | US5684195 Sulfinic acid salt intermediate, oxidative amination |
| 11/04/1997 | US5684184 Process for preparation of sulphonates |
| 11/04/1997 | US5684183 Method for preparing 4-alkyl-2-hydroxy-3,5-dichlorobenzene sulphonic acids |
| 11/04/1997 | US5683970 Solid cleansing composition |
| 10/29/1997 | EP0803500A1 Process for the purification of an alcanesulfonyl chloride and the corresponding alcanesulfonyl acid |
| 10/29/1997 | CN1163264A Process for producing p-toluenesulfonyl chloride |
| 10/28/1997 | US5681803 Comprising alpha-sulfo-fatty ester of alkylene oxide group or oxyalkylene polyethers; sensitivity; soaps, shampoo |
| 10/24/1997 | CA2202396A1 Process for purifying an alkanesulfonyl chloride and the related alkanesulfonic acid |
| 10/23/1997 | WO1997039091A1 Mid-chain branched surfactants |
| 10/23/1997 | WO1997039090A1 Detergent compositions containing selected mid-chain branched surfactants |
| 10/23/1997 | WO1997039089A1 Liquid cleaning compositions containing selected mid-chain branched surfactants |
| 10/23/1997 | WO1997039088A1 Mid-chain branched primary alkyl sulphates as surfactants |
| 10/23/1997 | WO1997039087A1 Mid-chain branched primary alkyl alkoxylated sulphate surfactants |
| 10/23/1997 | WO1997038972A1 Process for manufacturing sulphates of longer chain branched alkanols and alkoxylated alkanols |
| 10/23/1997 | WO1997038957A1 Branched surfactant manufacture |
| 10/23/1997 | WO1997038956A1 Process for the manufacture of surfactants containing branch chain alkyl groups |
| 10/22/1997 | EP0801642A1 Novel sulfamate compound containing n-substituted carbamoyl group and method for preparing the same |
| 10/15/1997 | EP0715649B1 Process for preparing concentrated surfactant mixtures containing magnesium |
| 10/15/1997 | CN1161961A Technology for industrialized production of 1-naphthol-4-sulfonic-acid and sodium salt thereof |
| 10/15/1997 | CN1036135C Process for prepn. of beta-substituted sulphonic acids and/or sulphonates |
| 10/08/1997 | EP0799197A1 Disubstituted p-fluorobenzolsulfonamides and their use in nmr diagnostics |
| 10/08/1997 | EP0799195A1 Process for the preparation of aromatic o-sulfocarboxylic acids and sulfonylureas |
| 10/08/1997 | EP0674617B1 Secondary alkyl sulphate/zeolite-containing surfactant composition and its obtaining process |
| 10/08/1997 | CN1161688A Process for preparing purified alkali metal salt of 4-sulfophenyl£(1-oxyalkanoyl)amino| alkanoate |
| 10/01/1997 | CN1160710A Preparation process of diisooctyl sodium sulfosuccinate |
| 09/30/1997 | US5672754 Process for the preparation of aminodiphenylamine compounds |
| 09/30/1997 | US5672741 Process for the hydrolysis of fluorinated sulphonyl fluorides |
| 09/30/1997 | US5672740 Alkoxylated alkyl glyceryl ether sulfonates and method of preparing |
| 09/30/1997 | US5672738 Reacting an aromatic substituted cyclic carbamate with 2-mercaptethanol in presence of a basic catalyst |