STARCH DERIVATIVES

STARCH DERIVATIVES

1,224,905. Starch derivatives. COOPERATIEVE VERKOOP - EN PRODUCTIEVERENIGING VAN AARDAPPELMEEL EN DERIVATEN "AVEBE" G.A. 5 Aug., 1969 [15 Aug., 1968], No. 39177/68. Heading C3U. Starch derivatives of the general formula wherein S is the residue of a starch molecule, and R 1 and R 2 are the...

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Bibliographische Detailangaben
Hauptverfasser: K.F. GOTLIEB, K.G. DE NOORD
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
POLYSACCHARIDES
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Zusammenfassung:1,224,905. Starch derivatives. COOPERATIEVE VERKOOP - EN PRODUCTIEVERENIGING VAN AARDAPPELMEEL EN DERIVATEN "AVEBE" G.A. 5 Aug., 1969 [15 Aug., 1968], No. 39177/68. Heading C3U. Starch derivatives of the general formula wherein S is the residue of a starch molecule, and R 1 and R 2 are the same or different and are alkyl, substituted alkyl, alkenyl, aralkyl or aryl groups, or R 1 and R 2 taken together represent a cyclic group or a C 1 -C 3 alkylene group; are prepared by reacting a starch, in the presence of at least 10% of water, based on the dry weight of starch with a compound of formula