Liquid dye preparations anionic dyes and polyalkylene-oxy naphthalene derivatives
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United States of America Patent
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Oct 27, 1987
Grant Date -
N/A
app pub date -
May 5, 1986
filing date -
May 16, 1985
priority date (Note) -
Expired
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Abstract
A liquid dye preparation comprising an aqueous solution containing at least 0.5% by weight of a water-soluble anionic dye and at least 0.1% by weight of a surfactant of the formula: ##STR1## wherein R represents a non-ionic substituent, m represents an integer from 0 to 3, X represents a divalent bridging atom or group, Y represents a C.sub.2-4 alkylene radical, n represents an integer of at least 2, and Z represents hydrogen, akyl, sulpho or phosphino.
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