Ultraviolet absorbing compounds and photographic elements contai

Details Ultraviolet absorbing compounds and photographic elements contai Ultraviolet absorbing compounds and photographic elements contai

1995-08-28

1997-06-03

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430591, 430931, G03C 1815

Patent

active

056353430

ABSTRACT:
A substantially inert ultraviolet absorbing compound, and photographic elements containing them, which compound has a peak absorption at less than 400 nm and being of formula (I): ##STR1## wherein: X is O or NR.sub.8, Z represents the atoms necessary to complete a 5-membered or 6-membered heterocyclic ring which includes X and N, and the 3-position of the pyrazolone ring may independently be substituted or unsubstituted;

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