Patent ID: 6391403
Filing Date: 2002-05-21
Classification: A61L,B32B,C08G,C08K,C08L,Y10T

Abstract:
A film having at least one layer, said layer comprising:a) a zeolite; and b) an oxygen scavenger comprising a material selected from the group consisting of: i) oxidizable compound and a transition metal catalyst, ii) ethylenically unsaturated hydrocarbon and a transition metal catalyst, iii) ascorbate, iv)isoascorbate, v) a reduced form of a quinone, a photoreducible dye, or a carbonyl compound which has absorbence in the UV spectrum, and vi) tannin; wherein the zeolite is selected from the group consisting of microporous crystalline aluminosilicates and microporous crystalline aluminophosphates, and wherein the film comprises an oxygen barrier layer.