Cationic dyestuffs, a process for their preparation, and their u

Details Cationic dyestuffs, a process for their preparation, and their u Cationic dyestuffs, a process for their preparation, and their u

1982-11-15

1986-07-01

Hollrah, Glennon H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546165, 546166, 548436, 548438, 548437, 548374, 544142, C07D20990

Patent

active

045981515

ABSTRACT:
Dyestuffs of the formula ##STR1## wherein R represents hydrogen or optionally substituted alkyl,

REFERENCES:
patent: Re29834 (1978-11-01), Brack et al.
patent: 3347865 (1967-10-01), Brack et al.
patent: 3687972 (1972-08-01), Padmanathan
patent: 3969346 (1976-07-01), Koller et al.
patent: 4000141 (1976-12-01), Kuhlthau
patent: 4185151 (1980-01-01), Kuhlthau
patent: 4283540 (1981-08-01), Brack
patent: 4446326 (1984-05-01), Brack

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