Bisazo dyestuffs of the 2,6-diaminopyridine

Details Bisazo dyestuffs of the 2,6-diaminopyridine Bisazo dyestuffs of the 2,6-diaminopyridine

1974-02-01

1976-05-25

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 3114

Patent

active

039592502

ABSTRACT:
Bisazo dyestuffs of the 2,6-diaminopyridine series, wherein the azo moieties are interconnected by an aromatic moiety preparation thereof and their utility in textile printing lacquers, printing dyes and in bulk dyeing of synthetics.

REFERENCES:
patent: 2068353 (1937-01-01), Schneiderwirth
patent: 2145579 (1939-01-01), Binz et al.
patent: 2148705 (1939-02-01), Mietzsch et al.
patent: 2681906 (1954-06-01), Granatek et al.
patent: 3042648 (1962-07-01), Lewis
patent: 3531457 (1970-07-01), Ackermann et al.
patent: 3531458 (1970-07-01), Ackermann et al.
patent: 3817975 (1974-06-01), Berrie et al.
patent: 3853895 (1974-12-01), Lamm et al.

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