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,wherein the non-eradicable dye is selected from the group consisting of reactive dyes and direct dyes.
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Accused Products
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.
107 Citations
34 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, wherein the non-eradicable dye is selected from the group consisting of reactive dyes and direct dyes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 22, 24)
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20. A highlighting ink kit comprising:
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a first marking instrument comprising 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; a second marking instrument comprising an eradicator; and a third marking instrument comprising an agent capable of substantially converting an eradicated dye back to its original form. - View Dependent Claims (21)
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23. A method of reversibly highlighting, comprising:
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making a marking with 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, applying an eradicator to at least a portion of said marking to form a highlighted marking, and applying an agent capable of substantially converting the highlighted marking back to its original form.
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25. 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 dye 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, wherein the non-eradicable dye is selected from the group consisting of reactive dyes and direct dyes. - View Dependent Claims (26, 27, 28, 29, 30, 31, 33, 34)
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32. A method of reversibly highlighting, comprising:
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making a marking with the highlighting composition comprising 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, applying an eradicator to at least a portion of said marking to form a highlighted marking, and applying an agent capable of substantially converting the highlighted marking back to its original form.
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Specification