Cationic dyes

Details Cationic dyes Cationic dyes

2011-04-26

2011-04-26

Elhio, Eisa B (Department: 1761)

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

C008S455000, C008S462000, C132S202000, C132S208000, C549S053000

Reexamination Certificate

active

07931696

ABSTRACT:
Disclosed are dyes of formulawhereinD is the radical of anthraquinone, acridine, azo, azomethine, hydrazomethine, benzodifuranone, coumarine, diketopyrrolopyrrol, dioxaxine, diphenylmethane, formazane, indigoid, indophenol, naphtalimide, naphthaquinone, nitroaryl, merocyanine, methine, oxazine, perinone, perylene, pyrenequinone, phtalocyanine, phenazine, quinoneimine, quinacridone, quinophtalone, stilbene, styryl, triphenylmethane, xanthene, thiazine dye and thioxanthene dye;and Q is defined herein.

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STIC Search Report dated Dec. 22, 2010.

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