Solid thermoplastic surfacing material
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United States of America Patent
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Jan 5, 1999
Issued Date -
N/A
app pub date -
Dec 20, 1996
filing date -
Dec 21, 1995
priority date (Note) -
Expired
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Abstract
A solid thermoplastic filler-filled surfacing material having a deep semi-translucent appearance, in the form of a thin, rigid sheet contains 19-25% polymethyl methacrylate, 19-25% styrene acrylonitrile copolymer, 5-20% styrene maleic anhydride copolymer, and 30-60% finely divided filler of barium sulfate, kaolin, basic aluminum oxalate and/or wollastonite.
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