Basic azo dyes, their manufacture and use

C - Chemistry – Metallurgy – 09 – B

Patent

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260/171, 260/170

C09B 29/00 (2006.01) C09B 44/10 (2006.01)

Patent

CA 1070679

Abstract of the Disclosure Cationic azo dyes of formula Image (1) wherein R1 represents a substituted or unsubstituted alkyl radical, n is 0 or 1, Z represents a divalent radical which completes the ring A to form an azine or azole ring that can contain a fused benzene ring, R represents a substituted or unsubstituted alkyl or aryl radical and X? represents an anion.

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