Filled Polystyrene Compositions and Uses Thereof
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United States of America Patent
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Issued Date -
Apr 30, 2009
app pub date -
Oct 30, 2007
filing date -
Oct 30, 2007
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Abandoned
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Abstract
The present invention provides polymer formulations containing 20 to about 40 weight percent of a filler, such as calcium carbonate. Multilayer polymer structures containing a filler in at least one layer of the multilayer structure, and methods of making these multilayer structures, are also disclosed. Articles of manufacture, such as food service articles, including cups, lids, plates, trays, containers, cutlery, and the like, derived from these formulations and multilayer structures are also provided in the present invention.
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