Rapidly drying impulse ink jet ink compositions
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United States of America Patent
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Nov 3, 1992
Grant Date -
N/A
app pub date -
Jan 11, 1991
filing date -
Jan 11, 1991
priority date (Note) -
Expired
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Abstract
Impulse-type ink jet ink compositions and processes for recording information therewith are provided. The ink compositions dry to the touch more rapidly than the impulse-type inks known in the art. The rapid-drying characteristics are believed to be attributable to their relatively low viscosities. The ink compositions preferably comprise from about 80 to about 99 percent by weight of a liquid vehicle which consists essentially of an organic solvent having a viscosity less than about 7.0 centipoise at 20.degree. C. and from about 1 to about 15 percent by weight of a colorant. The ink compositions are suitable for printing alphanumeric text or bar codes on highly calendared paper or other non-absorbent surfaces.
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