Secure thermal ink jet printing composition and substrate and method and apparatus utilizing same
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United States of America Patent
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Aug 22, 2000
Grant Date -
N/A
app pub date -
Oct 9, 1996
filing date -
Oct 9, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A composition and a method and an apparatus for using the composition for secure thermal ink jet printing on a substrate. The thermal ink jet ink composition is clear and is invisible to an unaided human eye in visible light when printed on the substrate.
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