C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
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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