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US5697984A Dye preparations with ethylene oxide-castor oil reaction products 失效
染料制剂用环氧乙烷 - 蓖麻油反应产物

Dye preparations with ethylene oxide-castor oil reaction products
Abstract:
Dye preparations comprising one or more dyes with no water-solubilizing groups in the molecule from the class of the metal complex azo dyes or the metal phthalocyanines and reaction products between from 1 to 50 mol of ethylene oxide and 1 mol of castor oil are useful for coloring granular or pulverulent substrates and for preparing aqueous dye preparations useful in printing inks.
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