Fluorinated cyclic olefin electret film

Stock material or miscellaneous articles – Composite – Of fluorinated addition polymer from unsaturated monomers

Reexamination Certificate

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Details

C428S500000, C428S900000, C307S400000, C526S280000, C526S281000

Reexamination Certificate

active

07879446

ABSTRACT:
The present invention provides a fluorinated cyclic olefin electret film including a fluorinated cyclic olefin polymer film characterized by having a cyclic olefin polymer grafted with a fluorocarbon alkyl group, and a parylene film over the fluorinated cyclic olefin polymer film.

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patent: 2005/0107555 (2005-05-01), Chiang et al.
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patent: 2009/0018269 (2009-01-01), Chen et al.
patent: 63-238111 (1988-10-01), None
patent: 63-238115 (1988-10-01), None

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