Monoazoic hydrosoluble cationic dyes

Details Monoazoic hydrosoluble cationic dyes Monoazoic hydrosoluble cationic dyes

1978-11-28

1981-04-21

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260156, C09B 4500, C09B 2922

Patent

active

042632048

ABSTRACT:
A new class of hydrosoluble monoazoic cationic dyes free of sulphonic or carboxylic groups and derived from 1-phenyl-3-aminopyrazoles is disclosed, as are, also, processes for preparing the new dyes and use thereof in the dyeing and printing of synthetic fibers.

REFERENCES:
patent: 3657213 (1972-04-01), Ramanathan
patent: 3843622 (1974-10-01), Ramanathan et al.
patent: 4032532 (1977-06-01), Burkhard et al.

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