Colored water immiscible organic liquid

Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing

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8 6, 208 12, 252 9, 252 50, 252 51, 252 515R, 252364, 252408, 260191, 260576, C10L 110, C10L 122, D06P 108

Patent

active

040090086

ABSTRACT:
Novel disazo colorants or dyes for marking organic liquids, the colorants having the general formula ##STR1## where R.sub.1 is H, CF.sub.3, or alkyl having from 1 to 4 carbon atoms,

REFERENCES:
patent: 1914549 (1933-06-01), Woodward
patent: 1986116 (1935-01-01), Payne
patent: 2059094 (1936-10-01), Eistert et al.
patent: 2925333 (1960-02-01), Thompson
patent: 3004821 (1961-10-01), Gano
patent: 3049532 (1962-08-01), Gaetani
patent: 3690809 (1972-09-01), Orelup
patent: 3704106 (1972-11-01), Orelup

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