Use of copper complexes of disazo dyes for dyeing natural...

Details Use of copper complexes of disazo dyes for dyeing natural... Use of copper complexes of disazo dyes for dyeing natural...

2006-01-10

2006-01-10

Powers, Fiona T. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Azoxy

C534S701000, C534S718000, C534S719000, C008S527000, C008S641000, C008S681000, C008S685000, C008S919000

Reexamination Certificate

active

06984723

ABSTRACT:
Use of the mono-copper complex of a dye of formula (1) wherein Z1, Z2, R1, R2, R3, R4, X, n and m are as defined in the claims, and mixtures thereof with the bis-copper complex of such a dye, for dyeing natural and synthetic material.

REFERENCES:
patent: 2620331 (1952-12-01), Wehrli
patent: 2927917 (1960-03-01), Dürig et al.
patent: 3399187 (1968-08-01), Dürig et al.
patent: 3894836 (1975-07-01), Frei
patent: 4514188 (1985-04-01), Michna et al.
patent: 2138791 (1972-02-01), None
patent: 1161475 (1958-09-01), None
patent: 352956 (1931-07-01), None
patent: 00/55259 (2000-09-01), None

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