Assembly or set of different color inks and an assembly of writing instruments
First Claim
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1. A set of inks for forming polychromatic markings, comprising:
- a first reservoir,a first ink, disposed in said first reservoir, comprising a reducible colorant provided in oxidized form, in which form said colorant produces a marking of a first color when applied to white paper, said reducible colorant producing, when applied to white paper and reduced, a visible marking having a second color different from said first color,a second reservoir, anda second ink, disposed in said second reservoir, comprising a reducing agent selected to reduce said reducible colorant, and a second, non-reducible colorant that, when applied to white paper, produces a marking having a third color that is different from said first and second colors.
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Abstract
An assembly or set of different color inks (10), capable of changing their color by reduction, comprising at least one ink (12) including a reducing agent for the mentioned inks. When one of said reducible inks (10) is contacted with that ink (12) bearing the reducing agent, the reducible ink (10) is reduced, changing its color, and juxtaposition or combination (11b) of the reduced ink color with the reducing ink color generates a different color for each ink. These inks are useful for composing polychromatic figures, designs, etc. for didactic and artistic purposes and the like, with writing or drawing instruments, such as fiber pens.
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Citations
14 Claims
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1. A set of inks for forming polychromatic markings, comprising:
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a first reservoir, a first ink, disposed in said first reservoir, comprising a reducible colorant provided in oxidized form, in which form said colorant produces a marking of a first color when applied to white paper, said reducible colorant producing, when applied to white paper and reduced, a visible marking having a second color different from said first color, a second reservoir, and a second ink, disposed in said second reservoir, comprising a reducing agent selected to reduce said reducible colorant, and a second, non-reducible colorant that, when applied to white paper, produces a marking having a third color that is different from said first and second colors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification