Black pigmented ink-jet inks with improved frequency response

Details Black pigmented ink-jet inks with improved frequency response Black pigmented ink-jet inks with improved frequency response

2007-01-16

2007-01-16

Lorengo, J. A. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031650, C106S031750, C347S100000

Reexamination Certificate

active

10791007

ABSTRACT:
Compositions, systems, and methods method of rapidly printing a black ink-jet image are provided. The composition can include a liquid vehicle including water, and from 15 wt % to 30 wt % organic solvent, wherein from 3 wt % to 10 wt % of the organic solvent is a methylated pentanetriol co-solvent; and from 1 wt % to 6 wt % of a dispersant-functionalized black carbon pigment. Obtaining firing frequencies from 15 kHz to 25 kHz are feasible with such compositions, provided the ink-jet architecture used with these pens is capable of firing at these very rapid rates.

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