Cationic dyes

Details Cationic dyes Cationic dyes

1979-06-20

1981-09-08

Demers, Arthur P.

Harness for working animal

542401, C07D41306

Patent

active

042885892

ABSTRACT:
There are described novel greenish-yellow cationic dyes of the formula ##STR1## wherein R.sub.1 is hydrogen, halogen, lower alkyl, lower alkoxy or NO.sub.2,

REFERENCES:
patent: 3514453 (1970-05-01), Spatz et al.
patent: 3597424 (1971-08-01), Hunter
patent: 3758466 (1973-09-01), Fisher et al.
patent: 3853859 (1974-12-01), Hunter
patent: 3855209 (1974-12-01), Hoyle
patent: 3975379 (1976-08-01), Schmitt

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