Black eradicable ink, methods of eradication of the same, eradicable ink kit, and eradicated ink complex
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United States of America Patent
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Jun 14, 2005
Grant Date -
Jan 20, 2005
app pub date -
Jul 15, 2003
filing date -
Jul 15, 2003
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Abstract
A shear-thinning eradicable ink including water, a dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, methine dyes, and a solvent, wherein the ink has a shear-thinning index in the range of about 0.35 to about 1.0; a kit including the ink and an eradicator solution; an ink complex including a colorless or substantially colorless dye selected from the group consisting of oxidized diarylmethane derivatives, oxidized triarylmethane derivatives, and oxidized methine dyes, and at least one or a gelling agent and thickener; and methods of using the ink as part of an eradicable ink system, are disclosed herein.
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