Aqueous fluorescent inks for free ink writing instruments
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United States of America Patent
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Issued Date -
Mar 20, 2003
app pub date -
Jul 9, 2001
filing date -
Jul 9, 2001
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Abstract
A fluorescent ink composition suitable for use in free ink writing instruments is described comprising a fluorescent pigment dispersion, a water miscible organic solvent, a defoaming agent, and water. The ink composition may also include additives such as an additive to increase cap-off stability. The ink composition flows smoothly and continuously from a free ink writing instrument.
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