Water base ink for ink-jet recording

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

2007-07-24

2007-07-24

Brunsman, David (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031600, C106S031580, C106S031860

Reexamination Certificate

active

10645197

ABSTRACT:
A water base ink for ink-jet recording is provided, which makes it possible to secure a high recording quality with a sharp image area edge by avoiding any blurring even when recording is performed on regular paper and which has satisfactory purge restoration performance. Therefore, no bubble remains in an ink flow passage, and no discharge failure is caused. Further, the discharge operation never becomes unstable. In the water base ink for ink-jet recording, the surface tension is not less than 40 mN/m, and the amount of dissolved oxygen is not more than 4 mg/L.

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