Security features in paper
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United States of America Patent
Stats
-
Nov 12, 1985
Grant Date -
N/A
app pub date -
Jun 13, 1984
filing date -
Jun 13, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Security features for authentification of currency paper are incorporated within the paper during the paper making process. Various codes are incorporated within the paper for viewing by means of transmitted light. In one embodiment the identifying indicia is microprinted on thin strips of a carrier material which dissolves during the dewatering and drying stage of the paper making process. The microprinted indicia remains intact and is readable by means of transmitted light yet is neither legible nor reproductible with reflected light.
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