Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,...
Reexamination Certificate
2005-04-12
2005-04-12
Pyon, Harold (Department: 1772)
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
C428S036700, C428S036800, C428S480000
Reexamination Certificate
active
06878442
ABSTRACT:
A polyester film which shows, upon preparation of a film-laminated metal plate by laminating the film of one side of the metal plate made of a tin free steel, a coefficient of kinetic friction at 80 degrees Celsius at the surface thereof of not more than 0.45 and an ethylene terephthalate cyclic trimer content of not more than 0.7 wt %, and a dimensional change of not more than 2.0% after a heat treatment at 210 degrees Celsius for 2 minutes of the film laminated metal plate. This polyester film is superior in heat resistance, barrier property and corrosion resistance, and is preferably used as a material forming a metal container for food.
REFERENCES:
patent: 5230935 (1993-07-01), Delimoy et al.
patent: 5776616 (1998-07-01), Kosuga et al.
patent: 5922424 (1999-07-01), Igushi et al.
patent: 0 638 412 (1995-02-01), None
Igushi Hideki
Nagano Hiroshi
Shimizu Hideki
Morrison & Foerster / LLP
Patterson Marc
Pyon Harold
Toyo Boseki Kabushiki Kaisha
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