Polystyrene adhering heat-sealable plastic film

Details Polystyrene adhering heat-sealable plastic film Polystyrene adhering heat-sealable plastic film

1992-12-17

1994-09-06

Jagannathan, Vasu S.

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

Synthetic resins

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

525297, 525305, 525310, 525479, 428 357, 428515, C08F25506, C08F26304, C08F26506, C08F27902, C08F28312, B32B 2708, B32B 108

Patent

active

053448898

ABSTRACT:
The invention relates to a heat-sealable plastic film PF with an at least two-stage construction ranging in thickness up to 400 micrometer, that is suitable for tightly sealing plastic containers, 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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