Trisazo black dyes

Details Trisazo black dyes Trisazo black dyes

1981-09-09

1984-04-17

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8639, 8641, 260173, 260198, C09B 3537, D06P 139, D06P 332

Patent

active

044433719

ABSTRACT:
New trisazo dyes, having the structure ##STR1## in which M represents H, Na, K, Li, or N(R.sub.3)H wherein R represents --H, --CH.sub.3, --C.sub.2 H.sub.5, --C.sub.3 H.sub.7, --CH.sub.2 CH.sub.2 OH, --CH.sub.2 CH(OH)CH.sub.3 or --CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 OH;

REFERENCES:
patent: 1877800 (1932-09-01), Brightman
patent: 2112919 (1938-04-01), Mendoza et al.
patent: 2885391 (1959-05-01), Huss et al.
patent: 2892827 (1959-06-01), Nickel et al.
patent: 4097476 (1978-06-01), Wicki

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