Cold seal release films and methods of making same

Details Cold seal release films and methods of making same Cold seal release films and methods of making same

2006-08-04

2009-08-04

Ahmed, Sheeba (Department: 1794)

Stock material or miscellaneous articles

Composite

Of silicon containing

C428S500000

Reexamination Certificate

active

07569279

ABSTRACT:
A cold seal release film including a cold seal release layer employing a silicone oil slip agent therein. The release layer is oxidatively treated to a level to reduce the cold seal release force by at least 25%, as compared to the cold seal release force without oxidative treatment of the release layer. A method of forming the cold seal release film with an improved cold seal release layer as described above also forms a part of the present invention.

REFERENCES:
patent: 5482780 (1996-01-01), Wilkie
patent: 5792549 (1998-08-01), Wilkie
patent: 5981047 (1999-11-01), Wilkie
patent: 6022612 (2000-02-01), Wilkie
patent: 6074731 (2000-06-01), Wilkie
patent: 6602609 (2003-08-01), Kong

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