Polymer and wood flour composite extrusion
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United States of America Patent
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Dec 8, 1998
Grant Date -
N/A
app pub date -
Nov 12, 1996
filing date -
May 16, 1996
priority date (Note) -
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Abstract
An extrusion profile is formed of foamed plastic, which includes a filler of wood flour or wood fiber. The foamed plastic may include polyvinyl chloride, chlorinated polyvinyl chloride or polystyrene in combination with the wood flour filler.
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