Disazo and trisazo dyes having a 1,3-diamino-, dihydroxy- or ami

Details Disazo and trisazo dyes having a 1,3-diamino-, dihydroxy- or ami Disazo and trisazo dyes having a 1,3-diamino-, dihydroxy- or ami

1976-09-27

1978-10-17

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260145R, 260145A, 260148, 260169, 260173, 260184, C09B 3302, C09B 3320, C09B 4524, C09B 4534

Patent

active

041208544

ABSTRACT:
Compounds of the formula ##STR1## in which R.sub.1 is hydrogen or nitro,

REFERENCES:
patent: 2045090 (1936-06-01), Lange et al.
patent: 2175187 (1939-10-01), Fellmer
patent: 2200445 (1940-05-01), Fellmer
patent: 3406160 (1968-10-01), Wicki

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