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)
08/1999
08/12/1999WO1999040096A1 Synthesis of n-silylated cyclopentaphenanthrene compounds
08/12/1999DE19804828A1 Sulfited maleic acid derivatives of glycerides useful as dubbing for leather and skins
08/12/1999CA2285300A1 Synthesis of n-silylated cyclopentaphenanthrene compounds
08/11/1999CN1225361A Process for the prepn. of N, N'-subistituted ureas
08/10/1999US5936071 Reacting hydroxy compound from phenolic resin with halide compound from quinonediazide compound using solid basic catalyst insoluble in solvent
08/05/1999WO1999039245A1 A process for making a photoactive compound and photoresist therefrom
08/05/1999WO1999038855A1 Process for producing optically active threo-3-amino-1,2-epoxy compounds
08/05/1999WO1999038828A1 Process for producing butanetriol derivative
08/05/1999CA2319418A1 Processes for preparing butanetriol derivatives
08/05/1999CA2319088A1 Process for producing optically active threo-3-amino-1,2-epoxy compounds
08/04/1999EP0932599A1 Process to manufacture methane sulfonic acid
07/1999
07/28/1999EP0931071A1 Methods of making hiv-protease inhibitors and intermediates for making them
07/27/1999US5929270 Process for preparing distyrylbiphenyl compounds
07/27/1999US5929265 Binuclear iridium(I) phosphine complexes and their use as catalyst in the asymmetric hydroamination of olefins
07/21/1999EP0930292A1 PROCESS FOR PREPARING $g(b)-AMINO-$g(a)-HYDROXY ACID DERIVATIVES
07/21/1999CN1223638A 4-jod-2-[N-(N-alkyl-aminocarbonyl)-aminocarbonyl)-aminosulfonyl]-benzoic acid methyl ester and derivatived thereof and method for their production
07/20/1999US5925788 Method of preparing 2-trifluoromethoxy-benzenesulphonamide
07/20/1999CA2009772C Direct fluorination of fluoro-.beta.-sultones in order to produce the corresponding fluorooxy-fluorosulfonyl- fluorocompounds
07/15/1999WO1999035122A1 Method for producing n-(3-amino-4-fluorophenyl)- sulphonamides, n-(3-amino-4-fluorophenyl) carboxylic acid amides and n-(3-amino-4-fluorophenyl) carbamates
07/15/1999WO1999035121A1 Method for producing (s,s)-n,n'-ethylenediamine disuccinic acid, analogous compounds or salts thereof
07/15/1999WO1999034806A1 KINESIN MOTOR MODULATORS DERIVED FROM THE MARINE SPONGE $i(ADOCIA)
07/15/1999DE19800531A1 Verfahren zur Herstellung von N-(3-Amino-4-fluor-phenyl)-sulfonsäureamiden, N-(3-Amino-4-fluor-phenyl)-carbonsäureamiden und N-(3-Amino-4-fluor-phenyl)-carbamaten Process for the preparation of N- (3-amino-4-fluoro-phenyl) -sulfonsäureamiden, N- (3-amino-4-fluoro-phenyl) -carboxamides and N- (3-amino-4-fluoro-phenyl) - carbamates
07/15/1999DE19800437A1 Verfahren zur Herstellung von (S,S)-N,N'-Ethylendiamindibernsteinsäure, analogen Verbindungen oder Salzen davon A process for preparing (S, S) -N, N'-ethylenediaminedisuccinic acid, analogues or salts thereof
07/13/1999US5922903 Sulfonation of hydrocarbone as liquid thin film stream with sulfur trioxide gas reactant and liquid alochol or alkyl phenol ethoxylated by ethylene oxide gaseous reactant by passing fluid and gases down the surface of vertical plates
07/13/1999US5922670 Dimeric alcohol-bis and trimeric alcohol-tris-sulphates and ether sulphates thereof
07/13/1999US5922655 Magnesium low rate number sulphonates
07/07/1999EP0927153A1 Method for the carboxylation on an aminonaphtol
07/07/1999CN1222188A Mid-chain branched primary alkyl sulphates as surfactants
07/07/1999CN1222187A Mid-chain branched surfactants
07/07/1999CN1222186A Mid-chain branched primary alkyl alkoxylated sulphate surfactants
07/07/1999CN1222185A Liquid cleaning compsns. containing selected mid-chain branched surfactants
07/07/1999CN1222184A Detergent compsns. containing selected mid-chain branched surfactants
07/07/1999CN1222142A Process for mfg. sulphates of longer chain branched alkanols and alkoxylated alkanols
07/07/1999CN1222133A Branched surfactant prepn.
07/06/1999US5919976 Sulfonated aliphatic compounds
07/01/1999WO1999032438A1 A process of controlling particle size of naphthoquinone diazide esters
06/1999
06/30/1999EP0925279A1 Catalytic selective sulfonylation process
06/30/1999CN1221397A Process for manufacture of surfactants containing branch chain alkyl groups
06/30/1999CN1043889C Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof
06/23/1999EP0923527A1 A process for the preparation of 2-aryl-propionic and 2-aryl-acetic acids starting from aryl-olefins
06/17/1999WO1999029315A1 Taurine derivatives usable in the treatment of ophthalmic disorders
06/16/1999EP0922695A1 Preparation of esters
06/16/1999EP0922026A1 Procedure to prepare n,n-dimethylaminoethanol 2-chlor-4-dimethyl-amidosulfonyl-fenoxyacetate hydrochloride
06/15/1999US5912385 Oxidation of a (hydroxy)alkylmercaptan with hydrogen peroxide
06/15/1999US5911958 Reaction of sulfur trioxide to produce surfactants for cosmetics or detergents
06/09/1999EP0920434A2 Bis-platinum complexes with polymethylene derivatives as ligands having antitumor activity
06/09/1999EP0765302B1 Process for preparing isethionate ethoxylates
06/09/1999CN1218800A Process for producing petroleum sodium sulfonate product
06/09/1999CN1218799A Process for producing alkyl sulfonate from gas of refinery plant
06/09/1999CN1218798A Process for preparing 1,4-diamino anthraquinone-2,3-dicyan
06/08/1999US5910604 Nitrophenyl ethers, especially acifluorfen
06/03/1999WO1999009004A3 Process for preparing and/or purifying amido acid phenyl ester sulfonates
06/02/1999EP0919546A1 Process for 4-sulfonamidophenyl hydrazines
06/02/1999EP0919544A1 Compounds useful for treating allergic and inflammatory diseases
06/02/1999EP0918751A1 PROCESS FOR THE DEALKYLATING SULFONATION OF $i(P)-ALKYL CALIXARENES
06/02/1999EP0783484B1 Process for producing n-acylaminocarboxylic acids and n-acylaminosulphonic acids and their alkaline metal salts
06/02/1999EP0625138B1 Novel amidine derivatives, their preparation and their use as medicaments with ltb4 antagonistic effect
06/02/1999DE19752711A1 Production of sodium alkyl benzene sulphonate granules
06/02/1999CN1218041A Desalination of aqueous sulph-namide solutions
06/02/1999CN1218040A Process for preparation of methanesulfonic acid
06/02/1999CN1218039A The preparation of substituted guanidine derivatives
06/02/1999CN1218038A The preparation of substituted guanidine derivatives
06/02/1999CN1218037A The preparation of substituted guanidine derivatives
06/02/1999CN1218036A The preparation of substituted guanidine derivatives
06/02/1999CN1043524C Benzene alkylation process using a fluorided silica-alumina and a linear C6 to C20 monoolefin
06/01/1999US5908582 Liquid formulations containing sulfosuccinic acid diester
05/1999
05/27/1999WO1999025804A1 LOW pH METHOD FOR PREPARING WATER CLEAR SURFACTANT PASTES
05/26/1999EP0817674B1 Multitube falling film reactor for the continuous manufacturing of sulfonated and/or sulfated compounds
05/20/1999WO1999024381A1 Novel method of catalytic removal of protective group with allyl group
05/20/1999WO1999024139A1 Separation process
05/20/1999WO1999024030A1 Novel trienyl compounds
05/19/1999EP0916654A1 Sulfonic ester derivatives, process for preparing the same, and use thereof
05/19/1999EP0916653A1 Process for the preparation of 4-nitro-2-sulphobenzoic acid
05/19/1999EP0915893A1 Tertiary phosphanes containing alkylene glycol groups
05/19/1999EP0915831A1 Novel method for preparing aromatic amides and intermediates therefor
05/19/1999EP0915814A1 Method for grafting a substituted difluoromethyle group
05/14/1999WO1999022858A1 Reactions of aromatic compounds
05/12/1999EP0915086A1 Phenylsulfonamide derivatives
05/12/1999EP0915085A2 Process for the preparation of substituted guanidine derivatives
05/12/1999EP0915084A2 Process for the preparation of substituted guanidine derivatives
05/12/1999EP0915083A2 Process for the preparation of substituted guanidine derivatives
05/12/1999EP0915082A2 Process for the preparation of substituted guanidine derivatives
05/11/1999US5902909 Compounds used in production of fluorescent whitening agents
05/06/1999EP0913391A1 Desalination of aqueous sulfonamide solutions
05/05/1999CN1216040A N-arylsulfilimine compounds and their use as catalysts in preparation of N-arylarylsulfonamide compounds
05/04/1999US5900398 Sulfated/sulfonated surfactants
04/1999
04/29/1999WO1999007656A3 Improved processes for making surfactants via adsorptive separation and products thereof
04/28/1999EP0587774B1 Sulfonation process for viscous sulfonic acid
04/28/1999CN1215046A Sulfonated diphenyl vinyl-biphenyl compound
04/27/1999US5898084 Reacting an alkali metal aminocarboxylate or aminosulfonate with a carboxylic glyceride in a suspension with a strong base, optionally treating with acid if the free n-acyl acid is desired; low cost
04/27/1999US5898083 Sodium styrenesulfonate hemihydrate, composition thereof, and process for production thereof
04/21/1999EP0909762A2 Binuclear Iridium(I) phosphine complexes and their use as catalysts for the asymmetric hydroamination of olefins
04/20/1999CA2147268C A process for preparing physically stable crystalline .gamma. modification of para-amino-benzenesulfanylamide
04/15/1999WO1999018064A1 Method for functionalizing a phenolic compound bearing an electron-donor group
04/15/1999DE19743836A1 Production of alkylbenzenesulfonic acids useful as anionic surfactant in (laundry) detergent
04/15/1999CA2246647A1 Desalting of aqueous sulfonamide solutions
04/14/1999EP0907638A2 4-jod-2 n-(n-alkyl-aminocarbonyl)-aminosulfonyl]-benzoic acid methyl ester and derivatived thereof and method for their production
04/14/1999EP0799195B1 Process for the preparation of aromatic o-sulfocarboxylic acids and sulfonylureas
04/14/1999EP0719250B1 Synthesis of amido acids from carboxylic acids and lactams
04/14/1999CN1214040A Synthesis of anionic cleaning agents
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