Decoloring ink for ink jet printing and ink jet printing method using it
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United States of America Patent
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N/A
Issued Date -
Aug 5, 2004
app pub date -
Mar 30, 2004
filing date -
Apr 27, 2001
priority date (Note) -
Abandoned
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Abstract
A decoloring ink for ink jet printing containing an Monascus pigment. An inclusion of an Monascus pigment enables printed characters and/or images to be preserved as long as they are kept in the dark, but they are quickly decolored on exposure to visible light and/or ultraviolet light when they are no longer needed.
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