Lid stock using oriented fluoropolymers

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

Reexamination Certificate

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Details

C428S034100, C428S035400, C428S035500, C428S035700, C428S036920, C053S478000, C053S485000, C156S069000

Reexamination Certificate

active

07939150

ABSTRACT:
Fluoropolymer-containing lidding films for food, non-food and medical packages, including a two-piece sealed package having container and lid portions that are readily separable from each other. Thin, transparent films may be formed having excellent barrier properties suitable for packaging applications, particularly blister packaging.

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patent: 5945221 (1999-08-01), Tsai et al.
patent: 6306503 (2001-10-01), Tsai
patent: 6432542 (2002-08-01), Tsai
patent: 6465103 (2002-10-01), Tsai et al.
patent: 6555190 (2003-04-01), Tsai
patent: 2005/0072783 (2005-04-01), Choi
patent: WO 99/24256 (1999-05-01), None
patent: WO 2004/069533 (2004-08-01), None

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