Ink for jet recording and ink set

Details Ink for jet recording and ink set Ink for jet recording and ink set

2006-04-04

2006-04-04

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031480, C106S031500

Reexamination Certificate

active

07022170

ABSTRACT:
An ink for ink jet recording which provides high-quality images excellent in weather fastnesses is provides, which is an ink for ink jet recording, comprising a yellow dye having a specific characteristic wherein the total amount of a cation other than a monovalent metal ion, a hydrogen ion, an ammonium ion, an organic quaternary nitrogen ion and an ion formed by proton addition to the nitrogen atom in basic organic material is not more than 0.5 wt % based on the amount of the ink.

REFERENCES:
patent: 2003/0213405 (2003-11-01), Harada et al.
patent: 2004/0020408 (2004-02-01), Yabuki
patent: 2004/0050291 (2004-03-01), Taguchi et al.
patent: 2004/0053988 (2004-03-01), Taguchi et al.
patent: 2004/0094064 (2004-05-01), Taguchi et al.
patent: 2004/0194660 (2004-10-01), Taguchi et al.
patent: 2003-128953 (2003-08-01), None

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