Semi-crystalline cycloolefin copolymer film
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United States of America Patent
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Sep 3, 1996
Grant Date -
N/A
app pub date -
Feb 14, 1994
filing date -
Feb 12, 1993
priority date (Note) -
Expired
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Abstract
A film including semi-crystalline cycloolefin copolymers which have a content of catalyst residues of <100 ppm and their use as capacitor films, reproduction films, film keyboards and film switches, substrates for liquid crystal displays and packaging films.
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