Water-based ink set for ink-jet recording

Details Water-based ink set for ink-jet recording Water-based ink set for ink-jet recording

2005-12-08

2008-08-26

Lorengo, Jerry A. (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031600

Reexamination Certificate

active

07416590

ABSTRACT:
A water-based ink set for ink-jet recording includes at least a yellow ink, a magenta ink and a cyan ink. At least one color ink of the yellow, magenta and cyan inks includes a first ink and a second ink which have different hue angles h having therebetween the color range of the normal color of the color ink. Preferably, the yellow ink includes a greenish yellow ink having a hue angle h of about 95° to about 110° and a reddish yellow ink having a hue angle h of about 70° to about 85°; the magenta ink includes a reddish magenta ink having a hue angle h of about 0° to about 10° and a violetish magenta ink having a hue angle h of about 340° to about 350°; and the cyan ink includes a bluish cyan ink having a hue angle h of about 250° to about 260° and a greenish cyan ink having a hue angle h of about 230° to about 240°.

REFERENCES:
patent: 5609671 (1997-03-01), Nagasawa
patent: 5837045 (1998-11-01), Johnson et al.
patent: 2006/0203058 (2006-09-01), Nerad et al.
patent: 8 3498 (1996-01-01), None
patent: 2000 248217 (2000-09-01), None
patent: 2000 513396 (2000-10-01), None

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