Bisazo dyestuffs of the 2,6-diaminopyridine series

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

1974-10-30

1976-06-01

Derrington, James H.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 41C, 8 41D, 8 50, 8 62, 101426, 260 39P, 260 40R, 260 40P, 260 4221, 260156, 427258, C09B 200

Patent

active

039604802

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: 3817975 (1974-06-01), Berrie et al.
patent: 3853895 (1974-12-01), Lamm et al.

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