Anhydrous bases and salts of dyestuffs of the auramine series, p

Details Anhydrous bases and salts of dyestuffs of the auramine series, p Anhydrous bases and salts of dyestuffs of the auramine series, p

1974-08-06

1976-06-01

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C11900

Patent

active

039609529

ABSTRACT:
Process for the preparation of an anhydrous base or salt of a dyestuff of the Auramine series, which comprises isolating the base or salt in acetone, methylethylketone or diethylketone; products prepared by such a process; the hydrofluoride of the base of Auramine O; the phosphate of the base of Auramine O; the hydrobromide of the base of ethylauramine; the phosphate of the base of ethylauramine; the hydrofluoride and phosphate of the base of Auramine G and paper, inks, textile fibers, leather or plastics materials colored by the hydrofluoride of the base of Auramine O; the phosphate of the base of Auramine O; the hydrobromide of the base of ethylauramine; the phosphate of the base of ethylauramine.

REFERENCES:
patent: 3209027 (1965-09-01), Groshtos

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