Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1991-11-06
1993-08-03
Buffalow, Edith
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428 366, 428 3692, 4284752, 4284758, 4284763, 428483, 428516, 428910, B29D 2200
Patent
active
052327540
ABSTRACT:
This invention relates to a gas barrier properties imparted label for polyethylene terephthalate bottles. In accordance with the present invention there is provided a barrier label for PET beverage bottles comprising an outer protective layer of a thermoplastic polymer, a barrier layer selected from the group consisting of polyvinyl alcohol and ethylene vinyl alcohol copolymers, an inner protective layer of a thermoplastic polymer, and an optional, opaque thermoplastic layer, wherein the label reduces the carbon dioxide permeability of the section of the beverage bottles enveloped by the label to below 1 cc/100 in.sup.2 /24 hr.
REFERENCES:
patent: 3733309 (1973-05-01), Wyeth et al.
patent: 4254169 (1981-03-01), Schroeder
patent: 4323416 (1982-04-01), Malthouse et al.
patent: 4601926 (1986-07-01), Jabarin et al.
patent: 4643925 (1987-02-01), Smith et al.
patent: 4869963 (1989-09-01), Gallucci et al.
patent: 4898784 (1990-02-01), Sanders et al.
patent: 4999229 (1991-03-01), Moritani et al.
"Modern Plastics Encyclopedia", vol. 57, No. 10A, pp. 345-348, McGraw Hill, Oct. 1980.
Allied Signal Inc.
Buffalow Edith
Criss Roger H.
Lee Michael U.
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