CATIONIC OLIGOMERIC AZO DYES
Disclosed are oligomeric cationic azo dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein n, R1, R2, X, Y− and Z+ are defined in claims and disclosure. Furthermore, the present invention relates to novel cationic oligomeric azo dyes of formula (1), compositions, thereof,...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
10.08.2016
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Subjects | |
Online Access | Get full text |
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Summary: | Disclosed are oligomeric cationic azo dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein n, R1, R2, X, Y− and Z+ are defined in claims and disclosure. Furthermore, the present invention relates to novel cationic oligomeric azo dyes of formula (1), compositions, thereof, especially comprising other dyes, and to application for hair dyeing. |
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Bibliography: | Application Number: EP20060763564 |