Highlightable and highlighted mixtures, marking instruments, and methods of using the same
First Claim
1. A mixture, comprising water, a colored pigment, a non-eradicable dye, and an eradicable dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, methine dyes, and combinations thereof.
1 Assignment
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Accused Products
Abstract
A highlightable mixture, such as an ink, including a colored pigment, an eradicable colorant, and a non-eradicable colorant; a kit including the highlightable mixture and an eradicator solution; colorant complex including a colorless or substantially colorless eradicable dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, and methine dyes, and a colored pigment; and methods of applying an eradicator to at least a portion of a marking made with a highlightable mixture, are described herein.
94 Citations
38 Claims
- 1. A mixture, comprising water, a colored pigment, a non-eradicable dye, and an eradicable dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, methine dyes, and combinations thereof.
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24. A mixture, comprising water, a colored pigment in an amount at least about 0.01% and up to about 50% by weight based on the total weight of the mixture, a non-eradicable dye, an eradicable dye in an amount at least about 0.01% and up to about 40% by weight based on the total weight of the mixture, said eradicable dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, methine dyes, and combinations thereof, and a binder resin, wherein the color of said colored pigment is substantially unaffected by one or more of an oxidizing agent, a reducing agent, and a change in pH.
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38. A highlighted complex, comprising a mixture of a colorless or substantially colorless eradicable dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, methine dyes, and combinations thereof, a non-eradicable dye, and a colored pigment.
Specification