Polymeric films
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 30, 2001
Grant Date -
N/A
app pub date -
Jun 15, 2000
filing date -
Dec 19, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Polypropylene films having a base layer of a propylene polymer with at least one matte outer layer of a blend of a polyether block polyamide, polypropylene, and polybutene-1, the polybutene-1 representing from 40 to 60 wt. % of the blend. Such films have shown good antistatic properties combined with particularly low heat seal thresholds compared with similar films without the polybutene-1 in the outer layer or layers.
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