Washable dye-containing composition
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United States of America Patent
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May 26, 1992
Issued Date -
N/A
app pub date -
Nov 5, 1990
filing date -
Apr 10, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In one form, the invention is a washable dye-containing composition comprising an acid dye, a dye vehicle, and an organic sulfonate in an amount of at least about 10% by weight of the composition. More specifically, the invention is, in one preferred embodiment, a washable marker ink, comprising an acid dye, water, and an aromatic sulfonate in an amount of at least about 10% by weight of the composition. In another embodiment, the composition of the invention is in the form of a water-soluble tempera paint comprising an acid dye, water, fillers, thickeners, opacifiers, and an organic sulfonate in an amount of at least about 10% by weight of the composition. Other water-soluble dye-containing compositions having enhanced skin and fabric fugitivity are within the scope of the invention as well.
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