Photographic elements containing indoaniline dummy dyes

Details Photographic elements containing indoaniline dummy dyes Photographic elements containing indoaniline dummy dyes

1993-12-17

1995-08-15

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430507, 430510, 430517, 430522, 430559, G03C 146

Patent

active

054418569

ABSTRACT:
A photographic element, and a method of making such an element, comprising a cyan dummy dye present in the element prior to exposure and development. The particular cyan dummy dye has a high extinction coefficient, low density losses in seasoned bleach, while maintaining the desired hue and resisting density losses on cold storage. The dye has the formula:
wherein: ##STR1## n is 1, 2 or 3; each R.sub.1 is an electron-withdrawing group which may be the same or different when n is 2 or 3;

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