Ink stock solution and ink composition

Compositions: coating or plastic – Coating or plastic compositions – Marking

Reexamination Certificate

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C106S031490, C106S031600, C106S031780

Reexamination Certificate

active

07404850

ABSTRACT:
An ink stock solution contains at least a dye and a colorless planar compound having more than ten delocalization π electrons in one molecule, and an ink composition is manufactured with the same ink stock solution.

REFERENCES:
patent: 7052535 (2006-05-01), Uhlir-Tsang et al.
patent: 7052537 (2006-05-01), Uhlir-Tsang
patent: 2002/0025412 (2002-02-01), Hanmura et al.
patent: 2004/0003755 (2004-01-01), Fukumoto et al.
patent: 2005/0025915 (2005-02-01), Uhlir-Tsang et al.
patent: 2005/0109236 (2005-05-01), Yabuki et al.
patent: 2005/0233097 (2005-10-01), Tojo et al.
patent: 1514913 (2005-03-01), None
patent: 8-100141 (1996-04-01), None
patent: 2003-321630 (2003-11-01), None
patent: 2004-75825 (2004-03-01), None
Derwent Abstract of JP 08/100141, Apr. 1996.

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