Inkjet color ink

Details Inkjet color ink Inkjet color ink

2006-08-01

2006-08-01

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031480, C106S031500, C106S031510, C106S031520

Reexamination Certificate

active

07083664

ABSTRACT:
An inkjet color ink comprising: an aqueous medium; at least one yellow dye having a λmax of from 390 nm to 470 nm and an [I(λmax+70 nm)/I(λmax)] ratio of an absorbance I(λmax+70 nm) at λmax+70 nm to an absorbance I(λmax) at λmax of not more than 0.4; and at least one dye having a λmax of longer than 470 nm and not longer than 750 nm, the at least one yellow dye and the at least one dye being at least dissolved or dispersed in the aqueous medium, wherein both of the rate constants defined herein are not more than 5.0×10−2hour−1.

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Abstract of Japan, XP002270246 & JP 2001 115072 A (Fuji Xerox Co LTD). Apr. 24, 2001.
U.S. Appl. No. 10/671,729, filed Sep. 29, 2003, Toshiki Taguchi and Toshiaki Ono.
U.S. Appl. No. 10/671,736, filed Sep. 29, 2003, Toshiki Taguchi and Naotaka Wachi.

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