Ink jet ink composition
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United States of America Patent
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Jan 20, 2009
Grant Date -
Oct 23, 2003
app pub date -
May 27, 2003
filing date -
Mar 30, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ink jet ink composition comprising water, a humectant, and composite colorant polymer particles, wherein the composite colorant polymer particles having a colorant phase and a polymer phase, the polymer phase of the particles being formed in situ in the presence of the colorant, the composite colorant polymer particles not increasing in mean particle size more than about 50% when said ink is incubated for one week at 60° C.
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