Pigment dispersions that exhibit variable particle size or...

Details Pigment dispersions that exhibit variable particle size or... Pigment dispersions that exhibit variable particle size or...

2005-02-28

2008-12-02

Cain, Edward J (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S161000

Reexamination Certificate

active

07459491

ABSTRACT:
An inkjet ink including a polymer-attached pigment formulated to exhibit a compact configuration and an elongated configuration, which provides the polymer-attached pigment with a variable particle size. The polymer-attached pigment may include a pigment having at least one polymer attached to its surface. The at least one polymer may be formed from a hydrophobic segment and a hydrophilic segment, where the hydrophilic segment is soluble in an aqueous environment and the hydrophobic segment is insoluble in the aqueous environment. The polymer-attached pigment may be dispersed in an ink vehicle to provide a low viscosity inkjet ink. The inkjet ink may optionally include at least one binder formed from a hydrophobic segment and two hydrophilic segments. A method of producing a printed image having good durability and gloss is also disclosed.

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patent: 2003/0225185 (2003-12-01), Akers et al.
patent: 1 333 068 (2003-08-01), None

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