Bis-benzonazoledicarbonitriles

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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Details

260 458N, 260465D, 260465E, 427158, C07D26362

Patent

active

039404102

ABSTRACT:
Disclosed are compounds of formula I ##SPC1##
in which n signifies 2 or 3,
Their production and use as optical brighteners, particularly for polymeric and textile substrates.

REFERENCES:
patent: 3798231 (1974-03-01), Fleck et al.

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