Compositions: coating or plastic – Coating or plastic compositions – Marking
Reexamination Certificate
2007-07-24
2007-07-24
Lorengo, J. A. (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Marking
C106S031580, C106S031860, C106S031270, C347S100000
Reexamination Certificate
active
10391694
ABSTRACT:
A water base ink for ink-jet recording to be used for an ink-jet recording apparatus having an ink-jet head comprises a self-dispersing type coloring agent, water, and a water-soluble organic solvent. The surface tension of the ink is 30 to 50 mN/M, the advancing contact angle with respect to the jetting surface of the ink-jet head is not less than 65°, the receding contact angle is not less than 55°, and the difference between the advancing contact angle and the receding contact angle is not more than 20°. It is possible to jet the ink stably, it is possible to form a sharp recorded image with less blur, and it is possible to obtain the recorded image excellent in water resistance.
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Fujioka Masaya
Higashiyama Shunichi
Taniguchi Akihiko
Faison-Gee Veronica
Lorengo J. A.
Reed Smith LLP
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