Heat-sealable packaging film producing a peelable seal

Details Heat-sealable packaging film producing a peelable seal Heat-sealable packaging film producing a peelable seal

1980-08-07

1983-01-04

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

15624423, 264 22, 428520, 525 98, 525212, 525240, C08L 5302

Patent

active

043673120

ABSTRACT:
Heat-sealable packaging film producing a peelable seal, process for the preparation thereof and packages made therefrom or comprising such a film. This film produces such a seal on a wide range of packaging films, including polyester, polyvinyl chloride, polyamide and polyacrylonitrile films owing to:

REFERENCES:
patent: 2859480 (1958-11-01), Berthold
patent: 3017339 (1962-01-01), Dewey
patent: 3703569 (1972-11-01), Wolkowicz
patent: 3894117 (1975-07-01), Agouri
patent: 4151159 (1979-04-01), Geall

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