1,4-Bis-[azol-2'-yl]-naphthalenes and process of using the same

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25230128, 252543, 427158, 428 90, 428265, 428290, 548224, B32B 2736, D06L 312, C11D 944

Patent

active

042450071

ABSTRACT:
New 1,4-bis-[azol-2'-yl]-naphthalene compounds, a process for their preparation as well as a process for optically brightening organic materials on using said compounds are disclosed.

REFERENCES:
patent: 3336330 (1967-08-01), Schinzel et al.
patent: 3575996 (1971-04-01), Liechti et al.
patent: 3641051 (1972-02-01), Frischkorn et al.
patent: 3709896 (1973-01-01), Frischkorn et al.
patent: 3993659 (1976-11-01), Meyer
patent: 4048185 (1977-09-01), Pintschovious et al.

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