Correcting fluid with drying indicator
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United States of America Patent
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May 22, 2012
Grant Date -
Jul 1, 2010
app pub date -
Dec 11, 2007
filing date -
Dec 11, 2006
priority date (Note) -
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Abstract
A correcting fluid with a colored drying indicator that includes as fluorescent dye, sodium 8-hydroxy-1,3,6-pyrenetrisulfonate and a good solvent for the fluorescent dye, in which the solubility of the fluorescent dye at 20° C. is at least equal to 0.1 g/l, and, a poor solvent for the fluorescent dye, in which the solubility of the fluorescent dye is less than or equal to 0.01 g/l at 20° C., the poor solvent being miscible with the good solvent for the fluorescent dye.
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