发明名称 Polypropylene card construction
摘要 An image retaining card is disclosed. An image retaining card in accordance with the present invention may be utilized as an identification card, a driver's license, a passport, and the like. An image retaining card in accordance with the present invention comprises a substrate structure, a cover, and an image receptive material disposed between the substrate structure and the cover. The substrate structure comprises a substrate layer and a substrate tie layer.
申请公布号 US6555213(B1) 申请公布日期 2003.04.29
申请号 US20000591601 申请日期 2000.06.09
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 KONERIPALLI NAGRAJ;SCHULZ MARK F.;ENGLE LORI P.;JONZA JAMES M.
分类号 B32B27/00;B32B27/32;B32B37/15;B41M5/00;B41M5/50;B41M5/52;B41M7/00;B42D15/10;(IPC1-7):B32B3/26 主分类号 B32B27/00
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