Basic mono- and bisazo compounds

Details Basic mono- and bisazo compounds Basic mono- and bisazo compounds

2007-02-27

2007-02-27

McKane, Joseph K. (Department: 1626)

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C534S604000, C534S803000, C008S662000

Reexamination Certificate

active

10479779

ABSTRACT:
The invention relates to basic mono- and bisazo compounds according to formula (I)wherein all substituents are defined as in Claim 1, their production, their use as dyestuffs as well as material dyed with these dyestuffs.

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