Security paper for currency and banknotes
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United States of America Patent
Stats
-
Mar 24, 1987
Grant Date -
N/A
app pub date -
Dec 5, 1985
filing date -
Dec 5, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Security devices in the form of metalized plastic films are incorporated within a security paper such as banknotes and other valuable documents during the papermaking process for viewing solely by means of transmitted light. The devices comprise printing of extreme fine line clarity and high opacity such that legibility is possible by means of transmitted light while remaining completely indiscernable under reflected light.
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Cited Art Landscape
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