Ink composition for ink-jet recording
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United States of America Patent
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May 3, 1983
Grant Date -
N/A
app pub date -
Feb 24, 1981
filing date -
Feb 25, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to an ink composition for ink-jet recording. The ink is an aqueous solution comprising a water soluble acid or direct dye or mixtures thereof and a compound selected from the class of polyhydric alcohols having 1-4 carbon atoms, hexylene glycol, triethylene glycol, di-propylene glycol and 1,2,6-hexanetriol. The composition of this invention has a viscosity of from 4-20 c.p.s., a surface tension of from 40-60 dyn/cm and a specific resistance of from 5.times.10.sup.3 -1.times.10.sup.5 ohm cm.
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