Highlighting marking compositions, highlighting kits, and highlighted complexes
First Claim
Patent Images
1. A highlighting composition comprising:
- at least one eradicable dye capable of becoming substantially colorless or of changing color;
at least one non-eradicable dye incapable of becoming substantially colorless or of changing color; and
at least one solvent.
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Abstract
A highlighting (or marking) composition, such as an ink, including a non-eradicable colorant, an eradicable colorant; a kit including a first marking instrument comprising the highlighting mixture and a second marking instrument comprising an eradicator fluid; a colorant complex including a colorless or substantially colorless eradicable dye, a non-eradicable dye, and an eradicator; and methods of applying an eradicator to at least a portion of a marking made with a highlighting composition, are described herein.
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Citations
41 Claims
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1. A highlighting composition comprising:
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at least one eradicable dye capable of becoming substantially colorless or of changing color;
at least one non-eradicable dye incapable of becoming substantially colorless or of changing color; and
at least one solvent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A highlighted complex, comprising a mixture of an eradicated dye, a non-eradicable dye, and an eradicator selected from the group consisting of a base, an acid, an oxidizing agent, a reducing agent, and combinations thereof.
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28. A highlighting composition, comprising:
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at least one eradicable colorant capable of becoming substantially colorless or of changing color;
at least one non-eradicable colorant incapable of becoming substantially colorless or of changing color;
at least one substantially colorless pH indicator or at least one pH indicator having substantially the same color as the combination of the eradicable colorant(s) and the non-eradicable colorant(s) in the mixture; and
at least one solvent. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A highlighted complex, comprising a mixture of an eradicated colorant, at least one non-eradicable colorant, at least one substantially colorless pH indicator or at least one pH indicator having substantially the same color as that of the non-eradicable colorant(s) in the mixture, and at least one eradicator.
Specification