Cyanine dyes with chain sulfone substituent photographic materia

Details Cyanine dyes with chain sulfone substituent photographic materia Cyanine dyes with chain sulfone substituent photographic materia

1996-04-02

1997-12-09

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430583, 430584, 430585, 430588, G03C 106

Patent

active

056959184

ABSTRACT:
A dye of the formula (I) below, and photographic elements having a light sensitive layer and which element contains such a dye: ##STR1## X.sub.1 and X.sub.2 each independently represent the atoms necessary to complete a 5- or 6-membered heterocyclic nucleus;

REFERENCES:
patent: 3460947 (1969-08-01), Ficken
patent: 3486897 (1969-12-01), Oliver
patent: 3574630 (1971-04-01), Heseltine et al.
patent: 5260178 (1993-11-01), Harada et al.

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