1:2 chromium complex dyes

Details 1:2 chromium complex dyes 1:2 chromium complex dyes

2005-08-16

2005-08-16

Powers, Fiona T. (Department: 1626)

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

Organic compounds

Azo

C534S699000, C008S466000, C008S681000, C008S685000

Reexamination Certificate

active

06930178

ABSTRACT:
The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.The present invention relates to a 1:2 chromium complex dye of formula (I):wherein all substituents are as defined in the claims, a process for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.

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