Container closures, sealed containers and sealing compositions f

Details Container closures, sealed containers and sealing compositions f Container closures, sealed containers and sealing compositions f

1992-10-23

1994-11-08

Seccuro, Jr., Carman J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 64, 428516, 215316, 525 57, B65D 4100

Patent

active

053625315

ABSTRACT:
A sealing composition for a container closure comprises a polymeric matrix material and its oxygen permeability is reduced by incorporating ethylene vinyl alcohol polymer into the composition. The composition can be in fluid or meltable form ready for application to a closure or it can be present as a deposit on the closure, for instance a gasket around the closure.

REFERENCES:
patent: 3857754 (1974-12-01), Hirata et al.
patent: 3975463 (1976-08-01), Hirata et al.
patent: 4293473 (1981-10-01), Eastman
patent: 4568529 (1986-02-01), Leconte
patent: 5045594 (1991-09-01), Samuel et al.
patent: 5183848 (1993-02-01), Samuel et al.
patent: 5186991 (1993-02-01), Samuel et al.

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