发明名称 |
Security paper with shrinking polymer security feature |
摘要 |
A security paper with a thermoshrinking polymer layer as a security feature wherein the layer of thermoshrinking polymer shrinks and distorts the security paper when heated, demonstrating its authenticity.
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申请公布号 |
US6132854(A) |
申请公布日期 |
2000.10.17 |
申请号 |
US19980107369 |
申请日期 |
1998.06.30 |
申请人 |
NCR CORPORATION |
发明人 |
KENNY, FRANK J. |
分类号 |
B32B27/08;B41M3/14;B41M5/36;D21H19/20;D21H19/58;D21H19/66;D21H19/82;(IPC1-7):B32B3/10;B32B23/06;B32B27/10;B32B27/34 |
主分类号 |
B32B27/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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