Fluorescent image-printed article and fluorescent ink

Details Fluorescent image-printed article and fluorescent ink Fluorescent image-printed article and fluorescent ink

2005-09-09

2009-08-18

Shosho, Callie E (Department: 1794)

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

C428S195100, C428S913000, C428S916000, C106S031150, C534S015000

Reexamination Certificate

active

07575253

ABSTRACT:
A fluorescent image-printed article including a substrate, and an image formed on the substrate, wherein the image is formed from a fluorescent ink containing a binder, and a fluorescent substance which is dispersed in the binder, is capable of emitting fluorescence when irradiated with ultraviolet rays, and is substantially transparent to visible light, the fluorescent substance being formed of a rare earth complex containing, as a ligand, a compound represented by the following formula (1):

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STIC search of formula 1-3 in applicant's claims. performed Jan. 31, 2008 Imported as compoundsearch.pdf.
Koide, Yasuhiro et al., New Chiral Lanthanide Complexes with Optically Pure ethanediylbis(t-butylphenylphosphine oxide), Journal of Alloys and Compounds, 192(1993), 211-216 imported as koideref.pdf.
Hiroki Iwanaga, et al., “Development of Ultraviolet LED Devices Containing Europium (III) Complexes in Fluorescence Layer”, Abstracts of Rare Earths '04, FP-77, p. 193.

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