Electret made of branched alpha-olefin polymer
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United States of America Patent
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Sep 8, 1981
Grant Date -
N/A
app pub date -
Oct 30, 1978
filing date -
Aug 10, 1978
priority date (Note) -
Expired
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Abstract
A stable electret made of a resinous polymer of a branched alpha-olefin [e.g., poly(4-methyl-1-pentene)] having a degree of crystallinity of at least 20%.
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