C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
400/1300, 260/22
C08B 30/12 (2006.01) A61K 9/48 (2006.01) B29D 1/00 (2006.01) C08L 3/00 (2006.01) C08L 3/02 (2006.01)
Patent
CA 1311237
WARNER-LAMBERT COMPANY PD-7010-11-SIL Morris Plains/U.S.A. Abstract The invention refers to a process for obtaining a melt of destructurized starch containing a finite amount of electrolytes comprising: A. providing a starch material containing free electrolytes and/or bound phosphate salts, B. removing partially or wholly the free electrolytes and/or the metallic cations from the phosphate groups of the starch, C. optionally replacing a part or all of the free H+-ions of the free phosphate groups with metallic monovalent and/or polyvalent cations, D. conditioning the obtained starch material to a water content of 10 to 25% by weight calculated on the basis of starch and water, E. heating said starch/water composition at elevated pressure to a temperature sufficient to essentially destructure the starch while maintaining said water content until a melt of destructurized starch is formed. The invention further refers to the process of F. cooling said melt has obtained under E.) optionally after forming the melt into a shaped article, to a temperature below the glass transition temperature of said composition to form a solid shaped article.
570904
Sachetto Jean-Pierre
Stepto Robert F. T.
Zeller Heinz
Macrae & Co.
Sachetto Jean-Pierre
Stepto Robert F. T.
Warner-Lambert Company
Zeller Heinz
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