Security medium and secure articles and methods of making same
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United States of America Patent
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Mar 26, 1985
Grant Date -
N/A
app pub date -
May 16, 1983
filing date -
May 16, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A security medium, secure articles made therefrom and methods of making same. Articles are disclosed which are resistant to counterfeiting and unauthorized alteration and which are suitable for use as currency, securities, security passes, identification cards, and analogous items now usually manufactured on paper. The novel articles comprise two synthetic material layers with a barrier layer therebetween and an image formed from sublimatable dye within at least one of the synthetic layers.
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