METHOD FOR PRODUCING AQUEOUS METHYL VIOLET LAKE PIGMENT DISPERSION COMPOSITION

PROBLEM TO BE SOLVED: To provide a method for producing an aqueous methyl violet lake pigment dispersion composition in higher efficiency, through finding a resin capable of making a flushing treatment of a methyl violet lake pigment as a hard-to-disperse pigment. SOLUTION: The method for producing...

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Hauptverfasser: ICHIMURA TOSHIAKI, HIGASHINAKA FUSAO, ADACHI YASUYUKI
Format: Patent
Sprache:eng
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