Water base ink for inkjet recording

Details Water base ink for inkjet recording Water base ink for inkjet recording

2006-08-10

2011-11-01

Wu, David W (Department: 1762)

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

08048939

ABSTRACT:
The present invention relates to a water-based ink for ink-jet printing which is excellent in rubbing resistance upon printing on coated papers such as photographic papers, and also exhibits a high optical density upon printing on plain papers. The water-based ink for ink-jet printing according to the present invention includes a dispersion of a pigment wherein the number of pigment-containing polymer particles in the pigment dispersion which have a particle size of 0.57 μm or more among the pigment-containing polymer particles contained in the pigment dispersion in the ink is 1.2×107/mL or less.

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Chinese Office Action dated Oct. 12, 2010 in corresponding Chinese Application No. 200680029450.7 (with English Translation).
Office Action issued Mar. 8, 2011, in Chinese Patent Application No. 200680029450.7 (English Translation Only).

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