Laundry treatment compositions containing a fabric softener and a blue or violet dye
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United States of America Patent
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Nov 16, 2010
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app pub date -
Jul 1, 2009
filing date -
Jun 18, 2003
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Abstract
A laundry treatment composition which comprises a surfactant and from 0.0001 to 0.1 wt % of a combination of dyes which together have a visual effect on the human eye as a single dye having a peak absorption wavelength on cotton of from 540 nm to 650 nm, preferably from 570 mn to 630 mn, the combination comprising a photostable dye which is substantive to cotton.
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