Expanded articles of biodegradable plastic materials
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United States of America Patent
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Nov 1, 1994
Issued Date -
N/A
app pub date -
Feb 18, 1994
filing date -
Aug 3, 1989
priority date (Note) -
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Abstract
Expanded articles of biodegradable plastic material having a closed pore structure and a density of from 0.01 to less than 0.1 g/cm.sup.3 are produced by extrusion of a composition including starch and a synthetic polymer selected from ethylene-vinyl alcohol, ethylene-acrylic acid, and mixture thereof.
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Cited Art Landscape
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