| 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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| 08/20/1998 | CA2280786A1 Process for preparing fluorinated beta-sultones |
| 08/13/1998 | WO1998034914A1 Preparation of alkane sulfonic acids and sulfonyl chlorides by oxidation of alkanethiols and dialkyl disulfides |
| 08/13/1998 | WO1998034895A1 5-hydroxyalkyl substituted phenyls and their use in medicaments for the treatment of arteriosclerosis and hyperlipoproteinaemia |
| 08/13/1998 | CA2723085A1 Synthesis of acyclic nucleoside derivatives |
| 08/13/1998 | CA2280015A1 Preparation of alkane sulfonic acids and sulfonyl chlorides by oxidation of alkanethiols and dialkyl disulfides |
| 08/11/1998 | US5792828 Dry blending of acrylamidoalkanesulfonic acid monomer with basic compounds |
| 08/06/1998 | DE19704244A1 5-Hydroxy-alkyl substituierte Phenyle 5-hydroxy-alkyl-substituted phenyls |
| 08/05/1998 | EP0856043A1 Overbased magnesium sulphonates |
| 08/04/1998 | US5789615 Oil additive |
| 07/30/1998 | WO1998023565A3 Aminoguanidines and alkoxyguanidines as protease inhibitors |
| 07/28/1998 | US5786474 N-fluorosulfonimides, process for their production, as well as their use as fluorinating agents |
| 07/23/1998 | WO1998027057A3 Method for producing trifluoroacetoacetic acid anilides |
| 07/22/1998 | EP0854136A1 Process for the production of pure alkanesulfonic acids |
| 07/15/1998 | EP0532557B2 Process for producing glycerin ether sulphates |
| 07/14/1998 | US5780682 Process for the synthesis of fluorinated alkyl sulphonyl halides |
| 07/14/1998 | US5780512 Alkylated (hetero) cyclic compounds |
| 07/14/1998 | US5780421 Sulfated/sulfonated surfactants |
| 07/09/1998 | WO1998029385A1 Recovery of anhydrous alkanesulphonic acids |
| 07/08/1998 | EP0851853A1 Process for the purification of diphenyl ether compounds |
| 07/08/1998 | EP0851852A1 Process for nitrating diphenyl ether compounds |
| 07/08/1998 | EP0572517B1 Catalytic process for converting hydrocarbonaceous feeds, particularly lower alkanes to esters, alcohols, and optionally to hydrocarbons |
| 07/07/1998 | US5777140 Process for the preparation of acyloxyalkanesulfonates having improved properties |
| 07/07/1998 | US5777111 Derivatives of aryl substituted 1,3-oxazines |
| 07/07/1998 | US5776980 Substituted benzenesulfonylureas and -thioureas-process for their preparation and their use as pharmaceuticals |
| 07/01/1998 | EP0850211A1 Process for the preparation of 4-bromo-1,1-difluorobut-1-ene and 2,4-dibromo-1,1,1-trifluorobutane |
| 06/25/1998 | WO1998027057A2 Method for producing trifluoroacetoacetic acid anilides |
| 06/25/1998 | WO1998027056A1 Process for the preparation of n-(alkanoyl)aminoalkanoyloxy benzenesulfonates |
| 06/25/1998 | DE19652955A1 Verfahren zur Herstellung von Trifluoracetessigsäure-aniliden A process for preparing trifluoroacetoacetic acid-anilides |
| 06/25/1998 | CA2272535A1 Process for the preparation of n-(alkanoyl)aminoalkanoyloxy benzenesulfonates |
| 06/24/1998 | EP0849246A2 Derivatives of 4-vinyl-4'-alpha-hydroxyethyl-biphenyl |
| 06/24/1998 | EP0849244A1 Process for the preparation of distyryl-biphenylic compounds |
| 06/24/1998 | CN1185429A Process for preparing di-n-octyl succinate sodium sulfonate |
| 06/23/1998 | US5770708 Diazotization of an aniline with neopentylglycol dinitrite; coupling with beta-naphthol |
| 06/18/1998 | WO1998025891A1 Process for the preparation of acyloxyalkanesulfonic acids |
| 06/18/1998 | WO1998025890A1 Process for the production of sulphonamides |
| 06/18/1998 | DE19755201A1 Amine salts of 4-nitrotoluene-2-sulphonic acid preparation, useful dyestuff precursors |
| 06/18/1998 | DE19630534C1 New phosphine compounds for use as ligands in metal complex catalysts |
| 06/17/1998 | EP0847985A1 Process for the preparation of fatty acid esters of hydroxypropylated quaternary ammonium derivatives |
| 06/17/1998 | EP0789697B1 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 |
| 06/10/1998 | EP0845985A1 Non-steroidal sulfatase inhibitor compounds and their method of use |
| 06/09/1998 | US5763632 Process for making isethionate ester salts |
| 06/09/1998 | US5763454 Antibacterial agent |
| 06/04/1998 | WO1998023565A2 Aminoguanidines and alkoxyguanidines as protease inhibitors |
| 06/02/1998 | US5760269 Reacting allyl methanesulfonate with chloroform; chemical intermediate for pesticides |
| 05/28/1998 | WO1998022435A1 Compounds useful for perhalogenoalkylation, reagent for implementing these compounds and synthesis method for obtaining these compounds |
| 05/27/1998 | CN1183059A Multitube falling film reactor for the continuous mfg. of sulfonated and/or sulfated compounds |
| 05/27/1998 | CN1038504C Cyclopentane derivatives |
| 05/26/1998 | US5756784 Latherability; emulsion stability |
| 05/26/1998 | US5756728 Process for preparing 1,1'- 1,4-phenylenebis-(methylene)!-bis-1,4,8,11-tetraazacyclotetradecane |
| 05/22/1998 | WO1998021178A1 N-arylsulfilimine compounds and their use as catalysts in the preparation of n-arylarylsulfonamide compounds |
| 05/20/1998 | EP0842148A1 Benzenesulphonamide derivatives, preparation thereof and therapeutical uses thereof |
| 05/14/1998 | WO1998019978A1 Nitration process |
| 05/13/1998 | EP0841322A1 Dry blending of acrylamidoalkanesulfonic acid monomer with basic compounds |
| 05/13/1998 | CN1181751A Prepn. of N-arylmethyl axiridine derivatives, 1, 4, 7, 10 -Tetraazacyclododecane derivatives obtained therefrom and N -arylmethyl -ethanol -amine sulphonate esters as intermediates |
| 05/12/1998 | US5750779 Preparation process of acyl halide or sulfonyl halide |
| 05/08/1998 | CA2219969A1 Dry blending of acrylamidoalkanesulfonic acid monomer with basic compounds |
| 05/06/1998 | EP0839127A1 Process for preparing n-acylaminocarboxylic acids and n-acylaminosulphonic acids and the alkali metal salts thereof |
| 05/06/1998 | CN1180696A Process for preparing 4-hydroxyanilines |
| 04/30/1998 | WO1998017615A1 PROCESS FOR PREPARING m-HYDROXYALKYLBENZENE |
| 04/29/1998 | CN1180072A Method for preparation of ammonium methyl N.N.N-trimethyl-N abietylsulfate |
| 04/23/1998 | DE19643055A1 Production of sulpho-alkyl acetate compounds for use as surfactants |
| 04/22/1998 | EP0837056A2 Combinatorial reagent synthesis and intermediates therefor |
| 04/22/1998 | EP0766659B1 Fluoroalkylethoxylate compositions having enhanced water solubility |
| 04/22/1998 | EP0680467B1 Process for preparing c-substituted diethylene triamines |
| 04/21/1998 | US5741917 Process for the preparation of acyloxyalkanesulfonates having improved properties |
| 04/16/1998 | WO1998015527A1 Process to manufacture methane sulfonic acid |
| 04/16/1998 | DE19641483A1 Verfahren zur Herstellung von Methansulfonsäure Process for the preparation of methanesulfonic acid |
| 04/14/1998 | US5739365 Method for preparing ammonium hydroxyalkyl sulfonates and ammonium alkanoyl alkyl sulfonates produced therefrom |
| 04/08/1998 | EP0834499A1 Process for the preparation of aromatic vinyl compounds |
| 04/08/1998 | EP0712391B1 Liquid compositions containing a sulphosuccinic acid diester |
| 04/08/1998 | CN1178518A Process for alkoxylation of fluorinated alcohols |
| 04/01/1998 | CN1037906C Process for producing sodium dodccyl-benzenesulfonate from block sulfonic acid |
| 03/25/1998 | CN1177344A Method for preparing alpha, beta-diaminoacrylnitriles |
| 03/25/1998 | CN1037838C Method for preparing foaming agent 4, 4' -para -sulfonyl hydrazine diphenyl ether |
| 03/24/1998 | US5731461 Surfactant composition and process for producing same |
| 03/24/1998 | US5731459 Process for separating amino acids and aminosulponic acids through adsorption on zeolites |
| 03/24/1998 | US5731448 (+) and (-)-8-chloro-6-sulfonyloxy-octanoic acid, its derivatives, and methods for making |
| 03/19/1998 | WO1998011064A1 Stereospecific preparation of chiral 1-aryl- and 1-heteroaryl-2-substituted ethyl-2-amines |
| 03/19/1998 | WO1998011055A1 Method for the carboxylation on an aminonaphtol |
| 03/19/1998 | CA2265886A1 Stereospecific preparation of chiral 1-aryl- and 1-heteroaryl-2-substituted ethyl-2-amines |
| 03/17/1998 | US5728875 Microbicides |
| 03/12/1998 | WO1998010044A1 Mixture of earth-alkaline metal alkyl-aryl-sulphonates, its use as additive for lubricating oil and method of preparation |
| 03/12/1998 | WO1998009952A1 Methods of making hiv-protease inhibitors and intermediates for making them |
| 03/12/1998 | WO1998009942A1 Catalytic selective sulfonylation process |
| 03/12/1998 | CA2264725A1 Methods of making hiv-protease inhibitors and intermediates for making them |
| 03/12/1998 | CA2264298A1 Catalytic selective sulfonylation process |
| 03/10/1998 | US5726217 Photosensitizers for positive resists |
| 03/05/1998 | WO1998000396A3 4-jod-2[n-(n-alkyl-aminocarbonyl)-aminosulfonyl]-benzoic acid methyl ester and derivatived thereof and method for their production |
| 03/04/1998 | EP0826739A1 Process for the preparation of substituted aminoanthraquinones |
| 03/04/1998 | EP0825979A1 Process for the catalytic hydrogenation of aromatic nitro compounds |
| 03/03/1998 | US5723664 Method of preparing sulfonimide or its salt |
| 03/03/1998 | US5723630 Reaction of fluorinated olefin with oleum |
| 02/26/1998 | WO1998007687A1 PROCESS FOR PREPARING β-AMINO-α-HYDROXY ACID DERIVATIVES |
| 02/25/1998 | EP0825164A2 Scavenger assisted combinatorial process for preparing libraries of amides, carbamates and sulfonamides |
| 02/25/1998 | CN1174189A Method for making substituted benzene compound |
| 02/24/1998 | US5721328 Ion conductive materials |
| 02/18/1998 | CN1173864A Sulfamate compounds containing n -substituted carbanoyl and process for preparing the same |
| 02/12/1998 | WO1998005634A1 Sulfonic ester derivatives, process for preparing the same, and use thereof |
| 02/12/1998 | WO1998005623A1 A process for the preparation of 2-aryl-propionic and 2-aryl-acetic acids starting from aryl-olefins |
| 02/12/1998 | WO1998005609A1 Method for grafting a substituted difluoromethyle group |