Aqueous ink composition
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United States of America Patent
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-
Aug 12, 1986
Grant Date -
N/A
app pub date -
Jun 7, 1985
filing date -
Jun 14, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aqueous ink composition comprising an dyestuff, a wetting agent and water, characterized in that said dyestuff is a compound of the formula: ##STR1## wherein M.sub.1 and M.sub.2 are, the same or different, each a hydrogen atom, an alkali metal atom, an ammonium group or an organic ammonium group and X is an alkylamine or alkoxyalkylamine residue having 6 to 18 carbon atoms. Said ink composition is improved in storage stability, jet stability, image clarity, water resistance, etc.
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