Process for the preparation of cationic dyestuffs

Details Process for the preparation of cationic dyestuffs Process for the preparation of cationic dyestuffs

1980-07-17

1982-09-14

Demers, Arthur P.

Harness for working animal

542419, C07D21172, C07D21506, C09B 5500

Patent

active

043496709

ABSTRACT:
To prepare dyestuffs of the general formula ##STR1## in which R.sup.1 and R.sup.2 represent methyl or ethyl,

REFERENCES:
patent: 3635955 (1972-01-01), Hansen et al.
patent: 3973903 (1976-08-01), Clarke
patent: 4026885 (1977-05-01), Frey et al.

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