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)
01/1993
01/12/1993US5179212 Process for the preparation of 3-pyrrolidinols and intermediates therefor
01/12/1993CA1312606C Preparation of sulfatobetaines
01/11/1993CA2071596A1 Perfluoroalkyl halides and derivatives
01/07/1993WO1993000328A1 Method for obtaining aromatic sulphochlorides
01/07/1993EP0521827A1 Pharmacological active hydrazin derivatives and process for their preparation
01/07/1993EP0374166B1 Amine salts of alkane-1,n-dicarboxylic acid mono-(2-sulfato-ethyl)amides
01/05/1993US5177255 Bis-stilbene compounds
01/05/1993US5176844 Alkali metal N-halo-alkanesulfonamides bleaching agents
12/1992
12/30/1992EP0520808A1 Treatment of organic sulfonic acid
12/30/1992CN1067431A Amidinophenylalanine derivatives, process for their preparation, their use and compositions containing them
12/29/1992CA2072202A1 Treatment of organic sulfonic acid
12/23/1992EP0519246A1 Process for the preparation of N,N'-bis-[7-(4-hydroxy-2-sulfo)naphthyl]-urea
12/23/1992EP0519235A1 Preparation of alkanesulfonamides
12/23/1992CN1019572B Benzophenone derivatives
12/23/1992CN1019538B Application for 2-(2'-nitrobenzoyl) -1,3-cyclohexanediones
12/21/1992CA2069253A1 Preparation of alkanesulfonamides
12/16/1992EP0518819A2 Amidino compounds, their manufacture and use as medicament
12/16/1992EP0518818A2 Arylethers, their manufacture and use as medicament
12/16/1992CN1067051A Process for preparing hydroxy alkyl sulfonic acid
12/16/1992CN1067050A Preparation of overbased magnesium sulphonates
12/15/1992US5171641 Alpha-olefin and alpha, beta unsaturated acid copolymer; electronic packaging
12/15/1992US5171448 Solvent extraction with saturated aliphatic and cycloaliphatic liquid hydrocarbon from the mixture of water and sulfuric acid
12/12/1992CA2070796A1 Arylethers, their manufacture and methods of treatment
12/12/1992CA2070795A1 Amidino compounds, their manufacture and methods of treatment
12/09/1992CN1019388B Process for preparing n-alkylsulfurylanilline derivatives
12/08/1992US5169430 Benzenesulfonamide derivatives and methods for their production
12/04/1992WO1992021652A1 Process for the preparation of a purified acrylamido sulfonic acid monomer derivative
12/04/1992CA2087715A1 Process for the preparation of a purified acrylamido sulfonic acid monomer derivative
12/01/1992CA1310975C Process for aryl-diazide sulfonic acids
11/1992
11/26/1992WO1992020711A2 Lhrh antagonists and intermediate products
11/26/1992WO1992020694A1 Preparation of overbased magnesium sulphonates
11/26/1992DE4117507A1 Verfahren zur herstellung von n(pfeil hoch)6(pfeil hoch)-substituierten lysin-derivaten Process for the preparation of n (arrow up) 6 (arrow up) -substituted lysine derivatives
11/26/1992CA2109842A1 Preparation of overbased magnesium sulphonates
11/25/1992CN1066446A Synthesis of orthanilic acid
11/24/1992US5166431 Preparation of alkanesulfonamides
11/24/1992CA1310657C Process for the manufacture of higher fatty monoglyceride monosulfate deterents
11/17/1992US5164502 Preparation of fluorohalophenols and N-acylfluorohaloanilines
11/17/1992CA1310327C Process for the preparation of hydroxyalkylation agents, new agents thus obtained and their use
11/12/1992WO1992019590A1 Methode of preparation of glycerin ether sulphates
11/12/1992WO1992019577A1 Process for producing epoxy open ring products with a defined residual epoxy oxygen content
11/12/1992DE4115146A1 Verfahren zur herstellung von epoxid-ringoeffnungsprodukten mit einem definierten rest-epoxidsauerstoffgehalt A process for preparing epoxy ringoeffnungsprodukten having a defined residual epoxide oxygen
11/11/1992EP0512953A1 Process for the preparation of benzene sulfonamides
11/11/1992EP0512926A1 Self-doped conductive polyanilines and process for their preparation
11/11/1992EP0512715A2 Verfahren zur Herstellung einer in 3-Stellung fluorierten aromatischen Verbindung
11/10/1992US5162590 Chemical intermediates, surfactants
11/10/1992US5162555 Process and apparatus for preparing a solution of a non-ferrous metal sulphonate
11/08/1992WO1992019666A1 Self-doped conductive polyanilines and method of preparation
11/05/1992DE4114243A1 Verfahren zur herstellung von glycerinethersulfaten A process for the production of glycerol ether
10/1992
10/29/1992WO1992018467A1 Cyanophenoxynaphthyl oxycarboxylic acid derivatives
10/28/1992EP0510446A1 Negative-working radiation-sensitive composition and radiation-sensitive recording material produced therewith
10/27/1992US5159112 Process of the production of alkanesulfonamides
10/27/1992US5158612 Sulfonated alkoxylated alcohols
10/22/1992DE4112692A1 Pure 3,4-di:chloro-orthanilic acid prodn. in high yield - by heating 3,4-di:chloroaniline with amidosulphonic acid, dissolving in alkali and precipitating with acid
10/21/1992EP0509431A1 Process for preparing radiation sensitive compound and positive resist composition
10/21/1992CA2066147A1 Negative-working radiation-sensitive mixture, and radiation-sensitive recording material produced with this mixture
10/20/1992US5157156 Process for preparing an intermediate useful in the syntheis of probucol
10/18/1992CA2065468A1 Process for preparing radiation sensitive compound and positive resist composition
10/15/1992DE4111657A1 Arylation of olefin(s)
10/15/1992DE4111653A1 Arylation of olefin(s)
10/15/1992DE4111620A1 Arylation of olefin(s)
10/15/1992DE4111618A1 Cyanophenoxynaphthyloxycarbonsaeurederivate Cyanophenoxynaphthyloxycarbonsaeurederivate
10/14/1992EP0508296A1 Process for the preparation of phosphorus containing L-amino acids, their derivatives and intermediates for this process
10/14/1992EP0508264A1 Process for the arylation of olefines
10/14/1992EP0508220A1 Derivatives of amindinophenylalanine, procedure for their preparation, their utilisation and compositions comprising them
10/13/1992US5155253 Reacting vinyl derivative of first Bronsted acid with labile Bronsted acid in presence of ruthenium catalyst, maintaining concentration below certain level and removing product as formed
10/10/1992CA2065585A1 Amidinophenylalanine derivatives, process for their preparation, their use and compositions containing them
10/07/1992EP0507402A1 Process for preparing detergent compositions
10/06/1992US5153348 Transesterification route to quaternary ammonium substituted carbonate esters
10/06/1992US5153341 Process for preparing benzenesulfonate salts
10/06/1992US5153075 Multilayer mixture
10/06/1992CA1308418C Process for the production of alcanesulfonic acids
10/01/1992WO1992016606A1 Process for producing highly concentrated fatty alcohol sulphate pastes
10/01/1992WO1992016503A1 New sulphonamides, process for preparing the same and medicaments containing these compounds
10/01/1992WO1992016502A1 Improved process for preparing benzenesulfonate salts
10/01/1992DE4109735A1 Neue sulfonamide, verfahren zu ihrer herstellung und arzneimittel, die diese verbindungen enthalten New sulfonamides, process for their production and pharmaceuticals containing these compounds
10/01/1992CA2106993A1 Improved process for preparing benzenesulfonate salts
10/01/1992CA2106772A1 New sulphonamides, processes for their preparation and medicaments containing these compounds
09/1992
09/30/1992EP0506308A1 Method for sulfonating acyloxybenzenes and neutralization of resulting product
09/30/1992EP0506070A2 Transvinylation process for the preparation of thermally labile vinyl compounds and vinyl compounds prepared from thermally labile acids
09/30/1992EP0505692A1 A method of preparing purified alkanesulfonic acid
09/30/1992EP0505582A1 Sulfonating agent and process
09/29/1992CA2064376A1 Transvinylation process for the preparation of thermally labile vinyl compounds and vinyl compounds prepared from thermally labile acids
09/28/1992CA2060022A1 Method of preparing purified alkanesulfonic acid
09/24/1992DE4109250A1 Verfahren zur herstellung von hochkonzentrierten fettalkoholsulfat-pasten A process for the preparation of highly concentrated fatty alcohol sulfate pastes
09/23/1992EP0504986A2 A liquid, aqueous concentrated alkylsulphate composition
09/23/1992EP0504873A1 Process for the preparation of N-alkyl sulfonamides
09/23/1992EP0504285A1 Fluorocarbon compounds and processes for preparation thereof.
09/22/1992CA2106595A1 Process for the production of highly concentrated fatty alcohol sulfate pastes
09/22/1992CA2063648A1 Process for the preparation of n-alkylsulfonamides
09/20/1992CA2063213A1 Liquid, aqueous concentrated alkylsulphate composition
09/17/1992WO1992015556A1 Method of preparation of benzoyloxybenzenesulphonates
09/16/1992CN1064481A Hydrazone compounds, processes for their production, intermediates useful for their production and pesticidal compositions containing them
09/10/1992DE4106843A1 Verfahren zur herstellung von benzoyloxybenzolsulfonaten A process for preparing benzoyloxybenzolsulfonaten
09/09/1992EP0502820A1 New semicarbazides and their use for the stabilization of polyamide fibres and their colours
09/09/1992CN1064267A Process for purifying santomerse d from black sulfonic acid
09/08/1992CA1307295C Process for the synthesis of arylsulfonylalkylamide
09/08/1992CA1307289C2 Peptidylaminodiols
09/03/1992WO1992014738A1 Catalytic process for converting hydrocarbonaceous feeds, particularly lower alkanes to esters, alcohols, and optionally to hydrocarbons
09/02/1992EP0501369A1 Process for the preparation of sulphonyl isocyanates
09/02/1992EP0500660A1 Process for the hydrolysis of alpha-naphthalene sulphonic acid in a naphthalene-sulphonating mixture
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