Esterified starch composition
AssigneeNational Starch and Chemical Investment Holding Corporation
InventorsGerd Borchers, Ingo Dake, Albrecht Dinkelaker, Jean-Pierre Sachetto, Richard Zdrahala, Stephen Rimsa, Gary Loomis, Paul Tatarka, Olivier Mauzac
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Abstract
According to the present invention there is provided a composition as obtained from a melt comprising esterified starch, preferably having an amylose content of at least about 50% by weight with respect to that of the starch, and being substituted to a degree of at least about 1.5, preferably from about 1.8 to about 2.9. The starch ester may be of the kind obtained by reaction of a mixed acid anhydride with starch.
Claims15
A composition obtained from a melt comprising esterified starch having a degree of substitution of from about 1.8 to about 2.9, wherein the ester group of the esterified starch is selected from the group consisting of C.sub.2 to C.sub.8 ester residues and mixtures thereof.
Dependencies are inferred from the claim text.