Iron complex azo dyestuffs

Details Iron complex azo dyestuffs Iron complex azo dyestuffs

1979-02-16

1981-03-17

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 4514

Patent

active

042566347

ABSTRACT:
Iron complexes of azo dyestuffs of the formula ##STR1## wherein R.sub.1 and R.sub.2 have the meaning indicated in the description,
and their use for dyeing or printing various fibre materials, for example wool, silk and synthetic materials such as Perlon, but especially leather. The dyeings obtained are distinguished by good fastness properties.

REFERENCES:
patent: 2843580 (1958-07-01), Straley et al.
patent: 4120854 (1978-10-01), Wicki
patent: 4123428 (1978-10-01), Holliger et al.
Georgievics et al., "A Textbook of Dye Chemistry", Scott Greenwood and Son, 1920, p. 111.

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