Multi-colored images viewable under non-visible radiation

Details Multi-colored images viewable under non-visible radiation Multi-colored images viewable under non-visible radiation

2011-04-19

2011-04-19

Lorengo, Jerry (Department: 1731)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031600, C106S031640

Reexamination Certificate

active

07927409

ABSTRACT:
A set of colorants for printing a multi-colored image when viewed under non-visible radiation outside of the visible spectrum can include a first colorant and a second colorant. The first colorant can be capable of absorbing non-visible radiation and shifting the wavelength of the non-visible radiation to a visible wavelength, thus producing a visible color. Likewise, the second colorant can be capable of absorbing the non-visible radiation and shifting the wavelength to a second visible wavelength, thus producing a different visible color.

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