Yellow dyes for ink jet inks

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

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0


C106S031480, C106S031580

Reexamination Certificate



This invention relates to a yellow ink composition for ink jet printing comprising a dye represented by Formula I, water and a humectant:wherein:R1and R5independently are hydrogen or a substituted or unsubstituted alkyl, aromatic or heterocyclic group;R2and R4independently are hydrogen or a non-metallic substituent;R3is hydrogen or a substituted or unsubstituted alkyl, acyl, sulfonyl, aromatic or heterocyclic group;and X is an electron withdrawing group;with the proviso at least one of R1, R2, R3, R4and R5comprises a group capable of imparting water solubility to the dye.

patent: 4425162 (1984-01-01), Sugiyama et al.
patent: 4685934 (1987-08-01), Benguerel et al.
patent: 5144015 (1992-09-01), Chapman
patent: 5391720 (1995-02-01), Mikoshiba et al.
patent: 6331204 (2001-12-01), Carr et al.
patent: 6464767 (2002-10-01), Evans et al.
patent: 6468338 (2002-10-01), Evans et al.
patent: 6552008 (2003-04-01), Duffy et al.
patent: 6582502 (2003-06-01), Fujiwara
patent: 6739715 (2004-05-01), Harada et al.
patent: 2001/0029869 (2001-10-01), Fujiwara
patent: 2003/0089274 (2003-05-01), Nishita et al.
patent: 2004/0020408 (2004-02-01), Yabuki
patent: 2004/0050291 (2004-03-01), Taguchi et al.
patent: 2004/0094064 (2004-05-01), Taguchi et al.
patent: 2004/0129172 (2004-07-01), Harada et al.
patent: 2005/0126431 (2005-06-01), Potenza et al.
patent: 2005/0229810 (2005-10-01), Blease et al.
“Filtration and Reciprocity Effects on the Fade Rate of Inkjet Photographic Prints,” proceedings of IS&T NIP16: International Conference on Digital Printing Technologies, Vancouver, BC, D.E. Bugner and C. Suminski, Oct. 2000.


Say what you really think

Search for the USA inventors and patents. Rate them and share your experience with other people.


Yellow dyes for ink jet inks does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Yellow dyes for ink jet inks, we encourage you to share that experience with our community. Your opinion is very important and Yellow dyes for ink jet inks will most certainly appreciate the feedback.

Rate now


Profile ID: LFUS-PAI-O-3674792

All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.