Colorants and colorant modifiers
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United States of America Patent
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Jan 29, 2002
Grant Date -
N/A
app pub date -
Dec 28, 1999
filing date -
Sep 10, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a substrate having therein or thereon a composition containing, at least one molecular includant. In one embodiment, the molecular includant comprises a cyclodextrin. The present invention also relates to the substrate further comprising at least one ultraviolet radiation transorber and also to the substrate further comprising a colorant. Additionally, the present invention relates to a method of making the substrate in which a composition comprising a molecular includant is incorporated into or onto the substrate. In one embodiment of this invention, the substrate has thereon or therein a colored composition comprising a colorant and a molecular includant. In another embodiment, the colorant is a mutable colorant which, upon irradiation in the present of an ultraviolet radiation transorber, can be mutated.
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