C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
400/1354
C08B 31/00 (2006.01) C08B 31/12 (2006.01) D21H 17/28 (2006.01)
Patent
CA 1084187
ABSTRACT OF THE DISCLOSURE A granular starch base is reacted with a selected propiolate ester in aqueous medium to produce a granular, acetal cross-linked starch, the cross-linkages of which are substantially removable in acidic medium. The cross-linked starch product thus prepared is useful in producing highly-substituted granular starch derivatives from which the cross- linkages may be readily and substantially removed as desired.
295193
Borden Ladner Gervais Llp
National Starch And Chemical Corporation
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