Double benzimidazoles

Details Double benzimidazoles Double benzimidazoles

1994-11-17

1995-12-26

Ramsner, Robert W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

546 85, 5483024, C07D47104, C07D48704

Patent

active

054789400

ABSTRACT:
Benzimidazoles of the formula ##STR1## where n and q are each 1 or 2, the radicals R are each hydrogen, chlorine or methyl,
L is a bridge member and An.sup..crclbar. is one equivalent of an anion, are used as charge stabilizers in electrostatic toners.

REFERENCES:
patent: 4212644 (1980-07-01), Degen et al.
patent: 4265990 (1981-05-01), Stolka et al.
patent: 4912006 (1990-03-01), Breitschaft et al.

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