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)
04/1999
04/14/1999CN1213711A Method of preparing silver compound
04/08/1999WO1999016809A1 Specific fluorinated ethers as reaction medium
04/08/1999WO1999016743A1 A PROCESS FOR PREPARING o-(CARBOALKOXY) PHENYLMETHANESULFONYL CHLORIDE DERIVATIVES
04/08/1999WO1999003823A3 Novel polyamine analogues as therapeutic and diagnostic agents
04/07/1999EP0906970A1 Process for the preparation of silver compounds
04/07/1999EP0906904A2 Process for the preparation of methanesulfonic acid
04/07/1999EP0906274A1 Process for manufacturing sulphates of longer chain branched alkanols and alkoxylated alkanols
04/07/1999EP0807103B1 Dimeric alcohol-bis and trimeric alcohol-tris-sulphates and ether sulphates
04/07/1999EP0758317B1 N-sulphonyl and n-sulphinyl amino acid amides as microbiocides
04/06/1999US5892105 Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid
04/06/1999US5892074 Synthesis of conjugated linoleic acid (CLA)
04/06/1999US5891964 Crosslinkable composition of fluoroelastomer and bisthiophenolperfluoroalkylidene
04/06/1999CA2155541C Process to improve alkyl ester sulfonate surfactant compositions
04/06/1999CA1340479C Indane derivatives, process for preparing the same, new intermediates produced, use thereof as therapeutic agents and pharmaceutical compositions containing them
03/1999
03/31/1999EP0904265A1 Preparation of bis(fluoroalkylenesulfonyl)imides and (fluoroalkylsulfonyl) (fluorosulfonyl)imides
03/30/1999US5889183 From cysteamine or cystamine
03/25/1999WO1999014192A1 Sulfo-n-hydroxy succinimide and method of preparation
03/25/1999DE19741455A1 Production of parabase ester from aniline
03/25/1999CA2303929A1 Sulfo-n-hydroxy succinimide and method of preparation
03/24/1999EP0783473B1 Process for the purification of 2,6-diisopropylphenol
03/24/1999EP0665218B1 Method for the preparation of physically stable crystalline gamma-modification of para-aminobenzenesulfonamide
03/23/1999US5885955 Mildness, latherability, emulsion stability
03/18/1999WO1999012916A1 Certain benzothiazine dioxide endothelin antagonists and processes for their preparation
03/18/1999CA2296358A1 Certain benzothiazine dioxide endothelin antagonists and processes for their preparation
03/17/1999EP0902013A1 Novel amidine derivatives, their preparation and their use as medicaments with LTB-4 antagonistic effect
03/17/1999EP0901996A1 Process for producing optically active amines
03/16/1999US5883253 Process for the preparation of aromatic O-sulfocarboxylic acids and sulfonylureas
03/16/1999US5883129 Hydroxylated anthranilic acid derivatives
03/16/1999US5883056 Overbased salts with high molecular weight sulfonic acids
03/16/1999US5882729 Casing which shields its interior from electromagnetic radiation
03/10/1999EP0900784A1 Sulphonated distyryl-biphenyl compounds
03/10/1999EP0900783A1 Fluorescent whitening agent
03/10/1999EP0900181A1 Branched surfactant manufacture
03/10/1999CN1210102A Fluorescent whitening agent
03/09/1999US5880155 Treatment of cardiovascular disorders
03/04/1999WO1999010319A1 Method for producing fatty acid polyglycol ester sulphates
03/04/1999DE19736906A1 Verfahren zur Herstellung von sulfatierten Fettsäurealkylenglykolestern Process for the preparation of sulfated Fettsäurealkylenglykolestern
03/03/1999EP0898610A1 Detergent compositions containing selected mid-chain branched surfactants
03/03/1999EP0898609A1 Mid-chain branched primary alkyl sulphates as surfactants
03/03/1999EP0898608A1 Mid-chain branched surfactants
03/03/1999EP0898607A1 Liquid cleaning compositions containing selected mid-chain branched surfactants
03/03/1999EP0898606A1 Mid-chain branched primary alkyl alkoxylated sulphate surfactants
03/03/1999EP0898554A1 Process for the manufacture of surfactants containing branch chain alkyl groups
02/1999
02/25/1999WO1999009004A2 Process for preparing and/or purifying amido acid phenyl ester sulfonates
02/25/1999CA2300943A1 Process for preparing and/or purifying amido acid phenyl ester sulfonates
02/24/1999EP0897910A1 Process for the preparation of 2-carboxy-5-nitrobenzene sulphonic acid and its salts by oxidation
02/24/1999CN1208728A Improved process for prodn. of 1-amino-8 naphthol-3,6-disulfonate of mono-sodium
02/23/1999US5874616 Preparation of bis (fluoroalkylenesulfonyl) imides and (fluoroalkysulfony) (fluorosulfonyl) imides
02/23/1999US5873981 Mixing excess phenolic azeotrope with aqueous alkanesulfonic acid, boiling off water and recycling solution to reactor in which a phenol and an alpha-haloketone react to form a dihydroxy-alpha-alkylstilbene
02/18/1999WO1999007793A1 Dye intermediate and method to manufacture dyes
02/18/1999WO1999007656A2 Improved processes for making surfactants via adsorptive separation and products thereof
02/18/1999CA2297215A1 Dye intermediate and method
02/17/1999EP0896590A1 Rapid purification by polymer supported quench
02/16/1999US5872280 Respiratory system disorders
02/16/1999US5872137 Dihalopropene compounds, insecticidal/acaricidal agents containing same, and intermediates for their production
02/16/1999US5872024 Method for manufacturing a mechanical force sensing semiconductor device
02/11/1999WO1999006363A1 Improved method for producing parabase esters
02/10/1999CN1207362A Purification of hydrochloric acid as by-product in synthesis of methylsulfonic acid
02/10/1999CN1041996C Process for preparation of surfactant composition comprising secondary alkyl sulfate
02/09/1999US5869740 Herbicide intermediates
02/09/1999US5869725 Derivatives of aminosulfonic acids, utilization of the same in the synthesis of pseudopeptides and process for their preparation
02/09/1999US5869532 Taurine derivatives for use in cleanser compositions
02/04/1999WO1999005241A1 Cleaning products comprising improved alkylarylsulfonate surfactants prepared via vinylidene olefins and processes for preparation thereof
02/04/1999WO1999005098A1 Method for the production of n-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides and new intermediate products
02/04/1999WO1999005087A1 Nitration process for diphenyl ethers
02/04/1999WO1999005084A1 Process for making alkylbenzenesulfonate surfactants from alcohols and products thereof
02/04/1999WO1999005082A1 Improved processes for making alkylbenzenesulfonate surfactants and products thereof
02/04/1999DE19732814A1 Production of parabase ester from aniline
02/03/1999EP0894765A1 Purification of hydrochloric acid, by-product of the methanesulphonic acid synthesis
02/02/1999US5866536 Compounds and compositions for delivering active agents
01/1999
01/28/1999WO1999003823A2 Novel polyamine analogues as therapeutic and diagnostic agents
01/28/1999DE19732030A1 Preparation of chloromethane sulphonylhalide intermediates
01/28/1999DE19731783A1 Verfahren zur Herstellung von N-(5-Amino-2-cyano-4-fluor-phenyl)-sulfonamiden und neue Zwischenprodukte A process for preparing N- (5-amino-2-cyano-4-fluoro-phenyl) -sulfonamiden and novel intermediates
01/28/1999CA2297413A1 Novel polyamine analogues as therapeutic and diagnostic agents
01/27/1999CN1206001A Substituted diaminocarboxylic acids
01/27/1999CN1041825C Process for isolation of z-naphthylamine-1,5-disulphoni acid
01/26/1999CA1340332C Process for producing optically active benzene-sulfonamide derivatives
01/20/1999EP0729452B1 Isethionate esters of alkyl alkoxy carboxylic acids as mild surfactants
01/20/1999CN1041722C Process for the prepn. of alkanesulphonic acids
01/13/1999EP0731787B1 Crystalline, polymorphic form of (s,s,s)-n-(1-[2-carboxy-3-(n2-mesyllysylamino)propyl]-1-cyclopentylcarbonyl)tyrosine
01/12/1999US5859288 Reagent and process for the synthesis of oxysulphide-containing fluorine-containing organic derivatives
01/12/1999US5859281 Catalytic asymmetric aminohydroxylation of olefins with sulfonamides
01/12/1999US5858961 Sufactants are stabilized before bleaching by addition of antioxidants
01/12/1999US5857269 Process for manufacturing fatty alcohol sulfate products
01/07/1999WO1999000358A1 Procedure to prepare n,n-dimethylaminoethanol 2-chlor-4-dimethyl-amidosulfonyl-fenoxyacetate hydrochloride
01/07/1999EP0888297A1 N-arylsulfilimine compounds and their use as catalysts in the preparation of n-arylarylsulfonamide compounds
01/07/1999EP0888295A1 Synthesis of anionic cleaning agents
01/07/1999EP0888294A1 Process for the stabilisation of alkylbenzenesulphonates
01/07/1999EP0746631B1 Use of sulphured substances for stuffing leather
01/06/1999CN1203909A Method for preparing 3,5-phthalic dimethyl ester sulfonate sodium
01/06/1999CN1041514C Preparation of benzoquinones by oxidation of phenols
01/05/1999US5856538 Preparation of N-acylamino carboxylic acids and N-acylamino sulfonic acids and their alkali metal salts
01/05/1999US5856344 Sulfonylamino-substituted benzoylguanidines, a process for their preparation, their use as a medicament or diagnostic aid, and medicament containing them
12/1998
12/29/1998CA2086820C Self-doped conductive polyanilines and method of preparation
12/23/1998EP0813518B1 Process for preparing alpha,beta-diaminoacrylnitriles
12/23/1998EP0754174B1 Process for producing carboxy arene sulphonic acids and their carboxylic acid derivatives
12/23/1998CN1202883A Method for preparing 2-trifluoromethoxy benzene sulphonamide
12/23/1998CN1041307C Method and equipment for preparing sulfate by burning brimstone in dry air
12/16/1998EP0884306A2 Synthesis of amido acids from Carboxylic acids and lactams
12/16/1998EP0883604A1 Fatty alcohol (ether) sulphates with improved low-temperature behaviour
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