Water base pigment ink for ink-jet recording

Details Water base pigment ink for ink-jet recording Water base pigment ink for ink-jet recording

2007-10-23

2007-10-23

Koslow, Melissa (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

Reexamination Certificate

active

10624989

ABSTRACT:
A water base pigment ink for ink-jet recording contains a pigment, water, and at least one of polyethylene glycol and diglycerol. The ink is solidified into a solid matter when the water is evaporated. Further, the solid matter is redissolved in the unsolidified water base pigment ink for ink-jet recording. When the ink is used, then neither clog-up of a nozzle nor discharge failure is caused, no load is imposed by the solidified ink on the maintenance system such as the wiping equipment, and the sticking performance on the paper is satisfactory.

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