发明名称 Coextruded laminar thermoplastic bags
摘要 A thermoplastic bag particularly adapted for the containment and storage of foods comprising a laminar bag structure having an interior layer of a high density polyethylene copolymer and an exterior layer of polypropylene. The layers are intimately and continuously bonded together at their interface. Such bag structures are suitable for the containment of foodstuffs while they are being heated or reheated following storage.
申请公布号 US4303709(A) 申请公布日期 1981.12.01
申请号 US19790103318 申请日期 1979.12.14
申请人 MOBIL OIL CORPORATION 发明人 OLSON, ROBERT H.
分类号 B32B27/32;B65D30/08;(IPC1-7):B32B27/08 主分类号 B32B27/32
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