Film and sheet capable of forming retortable and easy-open packa

Details Film and sheet capable of forming retortable and easy-open packa Film and sheet capable of forming retortable and easy-open packa

1987-05-15

1990-04-10

Lieberman, Allan M.

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

Synthetic resins

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

525191, 525222, 525240, C08L 2306, C08L 2308, C08L 2312, C08L 2314

Patent

active

049161903

ABSTRACT:
Films or sheets are fabricated from blends of an ethylenic homopolymer or copolymer, a butene-1 homopolymer or copolymer, and a propylene homopolymer or copolymer wherein the weight percent of the homopolymer or copolymer is equal or greater than 25 w % and is less that of the butene-1 homopolymer or copolymer which result in good peel seal characteristics.

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patent: 4075290 (1978-02-01), Denzel et al.
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patent: 4336212 (1982-06-01), Yoshimura et al.
patent: 4339507 (1982-07-01), Kurtz et al.
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patent: 4528220 (1985-07-01), Hwo
patent: 4539263 (1985-09-01), Hoh
patent: 4665130 (1987-05-01), Hwo
patent: 4666778 (1987-05-01), Hwo

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