Diphenylimidazole type dyes

Details Diphenylimidazole type dyes Diphenylimidazole type dyes

1987-08-10

1988-11-29

Schwartz, Richard A.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544370, 546210, 548301, 548315, 548316, C07D40312, C07D40112, C07D23396

Patent

active

047882840

ABSTRACT:
A diphenylimidazole type cyan dye represented by the following Formula [I] or [II] is disclosed. The dye is capable of displaying relatively more preferable absorption characteristics so as to serve as a cyan dye, and suitable to be use in photographic, thermal transfer, ink-jet, printing or other printing media. ##STR1##

REFERENCES:
patent: 4492709 (1985-01-01), Purcell

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