Concentrated solution of a phosphate of a dyestuff of the Aurami

Details Concentrated solution of a phosphate of a dyestuff of the Aurami Concentrated solution of a phosphate of a dyestuff of the Aurami

1974-08-06

1976-05-04

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C11900

Patent

active

039548643

ABSTRACT:
A concentrated phosphate solution of the base of a dyestuff of the Auramine series in a hydrophilic solvent (I), which solution is stable to storage and anhydrous; processes for the preparation of such a solution and use of such a solution for colouring paper or inks for flexography.

REFERENCES:
patent: 3209027 (1965-09-01), Grosklos et al.

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