Forming security thread for currency and bank notes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 26, 1991
Issued Date -
N/A
app pub date -
Oct 29, 1990
filing date -
Nov 9, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A metallized plastic strip containing security indicia is incorporated within currency paper to deter counterfeiting. The plastic strip is made difficult to detect under reflected light by selective pigmentation to match the currency inks. The presence of the security indicia is verified by detection under transmitted light.
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