Dye sets and ink sets for ink-jet ink imaging

Details Dye sets and ink sets for ink-jet ink imaging Dye sets and ink sets for ink-jet ink imaging

2006-01-31

2006-01-31

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031490, C106S031500, C106S031510, C106S031520, C008S639000, C008S641000, C008S658000, C008S661000, C008S673000, C008S682000, C008S684000, C008S685000, C008S686000, C008S687000, C008S681000

Reexamination Certificate

active

06991676

ABSTRACT:
The present invention is drawn to dye sets for formulating ink-jet ink sets, and to specific ink sets. The dye set can comprise cyan colorant including a phthalocyanine dye; magenta colorant including a copper- or nickel-containing azo dye; and yellow colorant including at least one of Yellow 1189 dye and Yellow 104 dye yellow colorant having the structure Formula 1:wherein R1is H, SO3M, COOM, or SO2NH2; and wherein R2is H, SO3M, COOM, or SO2NH2; and wherein R3is H or CH3; and wherein n and m are 2, 3, 4, 5 or 6; and wherein M is H, Na, Li, K, ammonium, ammonium substituted with alkyl or combinations thereof. Optionally, a cyan triarylmethine dye such as Acid Blue 9, or another similar cyan dye, can be blended with the phthalocyanine dye; a rhodamine dye can be blended with the copper- or nickel-containing azo dye; and/or Acid Yellow 17 or Acid Yellow 23 can be blended with Formula 1.

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