Ink set for ink-jet recording
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United States of America Patent
Stats
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Jul 27, 2004
Grant Date -
May 29, 2003
app pub date -
Feb 4, 2002
filing date -
Jun 7, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ink jet recording ink set including a plurality of inks, each ink including at least a colorant encapsulating a pigment with a polymer, a penetrating agent and water, wherein the ink set includes a combination of black, yellow, magenta and cyan inks, and wherein the polymer in each of the black, yellow, magenta and cyan inks is a polymer of a polymerizable surface active agent and a monomer, which gives high color density printed image, satisfactory color reproducibility, excellent ejection stability and storage stability.
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