Azo dyes having 2,6-diaminopyridine derivatives as coupling comp

Details Azo dyes having 2,6-diaminopyridine derivatives as coupling comp Azo dyes having 2,6-diaminopyridine derivatives as coupling comp

1973-03-07

1977-08-16

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260154, 2602948C, 2602948G, 2602949, 260295R, 260295CA, C09B 2936

Patent

active

040425789

ABSTRACT:
Azo dyes having 2,6-diaminopyridine derivatives as coupling components which preferably bear cyano or carbamoyl as substituents in the 3-position. The dyes give brilliant yellow to blue colorations, particularly on synthetic polyesters, which are distinguished by outstanding fastness properties.

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
patent: 3531457 (1970-09-01), Ackermann et al.
patent: 3531458 (1970-09-01), Ackermann et al.

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