Patent ID: 6117538
Filing Date: 2000-09-12
Classification: A23L,B32B,B65D,Y10S,Y10T

Abstract:
An oxygen-absorbing multilayered body, comprising a multilayered body with a plurality of resin layers laminated over one another to form at least one laminated side, said laminated side of this multilayered body being constructed as an oxygen-absorbing surface and, if there is a surface which is not an oxygen-absorbing surface said multilayered body being constructed as having a gas-permeation-resistant layer on said surface,said multilayered body including:a porous oxygen-absorbing layer including an oxygen-absorbing component in a thermoplastic resin;a non-porous oxygen-permeable layer which is permeable to oxygen; anda porous oxygen-permeable layer which serves as a protection layer for the non-porous oxygen-permeable layer,wherein on at least one side of said porous oxygen-absorbing layer one or more of said non-porous oxygen-permeable layer and one or more of said porous oxygen-permeable layer are combined and laminated over one another to form a laminate, and said resulting laminate is drawn to enlarge pores in said porous layers.