Polysaccharide derivatives and preparation thereof

A m- or p-sulphobenzoyl ester of a polysaccharide or a polysaccharide derivative containing free hydroxyl groups is made by reaction of the polysaccharide, in presence of a tertiary organic base, with a m- or p-halogenosulphonylbenzoic acid. The benzene nucleus of the acid may be substituted by grou...

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Bibliographische Detailangaben

Hauptverfasser:	VERELST JOHAN LODEWIJK, LEMMERLING JOSE THERESE
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF ELECTROGRAPHY HOLOGRAPHY METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS POLYSACCHARIDES THEIR PREPARATION OR CHEMICAL WORKING-UP
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