Ink formulations, print systems, and methods thereof

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

Reexamination Certificate

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C106S031650, C106S031750

Reexamination Certificate

active

11082680

ABSTRACT:
Ink formulations, ink jet sets, methods of stabilizing an ink formulation, printer systems, and methods thereof, are disclosed. One exemplary ink formulation, among others, includes a pigment and a borate buffer. The ink formulation has an ink stability characteristic of a pH drift of less than 1.0 pH over a one year time period. The ink formulation has a size stability characteristic of a diameter of the pigment increasing less than 20% over a one year time period.

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patent: 2005/0005817 (2005-01-01), Kusakata et al.
patent: 2005/0204954 (2005-09-01), Pistagna et al.
patent: 2006/0109323 (2006-05-01), Pallen et al.
patent: 1 457 533 (2004-09-01), None

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