Fugitive colorant and washable ink compositions
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United States of America Patent
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Oct 22, 1991
Grant Date -
N/A
app pub date -
Jul 18, 1990
filing date -
Jul 18, 1990
priority date (Note) -
Expired
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Abstract
An aqueous solution of a chromophore having at least one sulfonic acid or carboxylic acid functionality and a triethanolamine ethoxylate is provided for a fugitive colorant useful in ink formulations or to temporarily tint textile fibers. Preferably the triethanolamine ethoxylate contains at least nine moles of --CH.sub.2 CH.sub.2 O-- units and is present in a molar excess per acid functionality of the chromophore.
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