Metallized monoazo dyes

Details Metallized monoazo dyes Metallized monoazo dyes

1977-09-12

1978-11-14

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 1XB, 260150, 260151, C09B 4500, C09B 4518

Patent

active

041253680

ABSTRACT:
Metallized azo dyes of the formula ##STR1## wherein A is a sulfonyl, sulfonamido or carboxamido group, D is the residue of a phenol or naphthol, E is the residue of acetoacetanilide, a phenyl or naphthyl pyrazolone or the residue of a naphthol and M is a cation. The dyes are suitable for dyeing natural and synthetic polyamides, demonstrating good all-around fastness properties.

REFERENCES:
patent: 1677534 (1928-07-01), Straub et al.
patent: 3135730 (1964-06-01), Heyna et al.
patent: 3600377 (1971-08-01), Stingl
patent: 4058515 (1977-11-01), Stingl et al.

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