Readily peelable, sterilizable packages

Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source

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Details

428 40, 428344, 428349, 4284769, 428483, 428507, 428515, B32B 2708

Patent

active

047660180

ABSTRACT:
Readily peelable and sterilizable packages composed of two multi-layer sheets which are attached to one another by sealing in the zone regions and in which one sealing layer comprises an ethylene/1-butene copolymer and the other polypropylene or a propylene/ethylene copolymer.

REFERENCES:
patent: 3879492 (1975-04-01), Bontinick
patent: 3926311 (1975-12-01), Laske
patent: 4125662 (1978-11-01), Weiner et al.
patent: 4269321 (1981-05-01), Ichinose et al.
patent: 4521467 (1985-06-01), Berger
patent: 4652489 (1987-03-01), Crass et al.

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