Pigment-based inks with improved jetting latency

Details Pigment-based inks with improved jetting latency Pigment-based inks with improved jetting latency

2008-09-22

2011-10-25

Niland, Patrick (Department: 1762)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S161000, C523S200000, C523S205000, C523S206000, C524S086000, C524S104000, C524S105000, C524S186000, C524S211000, C524S213000, C524S215000, C524S216000, C524S591000, C524S839000, C524S840000

Reexamination Certificate

active

08044115

ABSTRACT:
An inkjet ink composition comprising water, pigment particles dispersed with a polymeric dispersant, at least one water-dispersible polyurethane, at least one pyrrolidinone compound, glycerol, and a 1,2-alkanediol having from four to eight carbon atoms.

REFERENCES:
patent: 5969740 (1999-10-01), Maeda et al.
patent: 6063834 (2000-05-01), Kappele et al.
patent: 6794425 (2004-09-01), Ellis et al.
patent: 2003/0166742 (2003-09-01), Hirasa et al.
patent: 2004/0229976 (2004-11-01), Kakiuchi et al.
patent: 2004/0242726 (2004-12-01), Waki et al.
patent: 2007/0225401 (2007-09-01), Sarkisian et al.

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