Compositions for resilient biodegradable packaging material products
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United States of America Patent
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Apr 30, 1996
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N/A
app pub date -
Sep 12, 1994
filing date -
Jun 24, 1993
priority date (Note) -
Expired
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Abstract
A resilient, low density, biodegradable, packaging material which is formed by the extrusion through a twin-screw extruder of a base mixture of vegetable oil, polyvinyl alcohol, glycerine, a proteinaceous grain meal, glycerol monostearate, a non-modified starch and water.
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