Easy to open package and a method of making same

Details Easy to open package and a method of making same Easy to open package and a method of making same

1985-11-29

1987-07-14

Martin, Roland E.

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

Synthetic resins

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

525201, 525222, 428 35, 428500, C08L 5104, C08L 3302, C08L 3304

Patent

active

046803408

ABSTRACT:
A seal layer for an easy open package consisting essentially of 40% or less, by weight, of a first polymer having a melt flow index of less than 5 selected from the group consisting of ionomers and ethylene-vinyl acetate copolymers, and 60% or more by weight of a second polymer having a melt flow index greater than 20 being selected from the group consisting of low density polyethylene, ethylene-vinyl acetate copolymers, and modified ethylene-vinyl acetate copolymers, whereby the second polymer is a low density polyethylene if the first polymer is an ethylene-vinyl acetate copolymer.

REFERENCES:
patent: 3001689 (1961-09-01), Burton
patent: 4251584 (1981-02-01), Van Engelen et al.
patent: 4299745 (1981-11-01), Godfrey
patent: 4311808 (1982-01-01), Su
patent: 4376845 (1983-03-01), Metzger
patent: 4537305 (1985-08-01), Takanashi
patent: 4567219 (1986-01-01), Tominaga et al.

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