Black eradicable ink, methods of eradication of the same,...

Details Black eradicable ink, methods of eradication of the same,... Black eradicable ink, methods of eradication of the same,...

2005-06-14

2005-06-14

Bell, Mark L. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031640, C106S031580, C106S031860, C401S017000, C401S021000

Reexamination Certificate

active

06905539

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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