Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1978-10-30
1980-07-22
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
426126, 428209, 428213, 428343, 428344, 428347, 428913, B32B 710, B32B 1502
Patent
active
042140293
ABSTRACT:
A unitary packaging laminate comprising a foil substrate, a polypropylene outer layer, an intermediate layer of polyethylene or ethylene-acrylic acid copolymer located between and adhered to said substrate and said outer layer, a printed adhesive pattern of low temperature heat sealable material on the exterior surface of said outer layer, and a coating of low temperature heat sealable material on the inner surface of said substrate.
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patent: 3503831 (1970-03-01), Oyama
patent: 3582452 (1971-06-01), Britton
patent: 3770122 (1973-11-01), Thiele
patent: 3785911 (1974-01-01), Ungar et al.
patent: 4009312 (1977-02-01), Hayashi et al.
patent: 4045607 (1977-08-01), Swearingen et al.
patent: 4058632 (1977-11-01), Evans et al.
patent: 4101698 (1978-07-01), Dunning et al.
Champion International Corporation
Herbert, Jr. Thomas J.
Sommer Evelyn M.
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