Heat sealable plastic film

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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Details

525297, 525310, 525479, 428 357, 428515, C08F25502, C08F26506, C08F27902, C08F28312

Patent

active

053490258

ABSTRACT:
This invention relates to heat-sealable plastic films PF with at least two-phased structure in the thickness range up to 400 .mu.m that are suitable for tightly sealing plastic comprising

REFERENCES:
patent: 3645838 (1972-02-01), Newman, Jr. et al.
patent: 4291090 (1981-09-01), Kenji et al.
patent: 4513118 (1985-04-01), Suetterlin et al.
patent: 4542171 (1985-09-01), Elser et al.
patent: 5178293 (1993-01-01), Suzuki et al.
Derwent Abstract of DE-A 3,531,036.

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