Opaque laminate sheet structure

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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428516, 428520, 428408, 428913, 206455, 383109, 493189, 493217, B32B 1508, B32B 2708, B65D 6540

Patent

active

044448279

ABSTRACT:
An improved, tough, opaque laminate structure, particularly useful for incorporation into packaging for light-sensitive photographic products. The laminate comprises a polyisobutylene-modified, high-density polyethylene layer which is sandwiched between two layers of linear low density or linear medium density polyethylene.

REFERENCES:
patent: 4086383 (1978-04-01), Yamano et al.
patent: 4151318 (1979-04-01), Marshall
patent: 4258848 (1981-03-01), Akao et al.
patent: 4356221 (1982-10-01), Anthony et al.

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