Ultraviolet absorber in photographic elements

Details Ultraviolet absorber in photographic elements Ultraviolet absorber in photographic elements

1984-06-08

1986-03-18

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430523, 430931, 430961, G03C 184

Patent

active

045769087

ABSTRACT:
3-Aminoallylidenemalononitrile is useful for absorbing ultraviolet radiation near 400 nm, with no absorption near 420 nm, when directly dispersed in a photographic gelatin layer.

REFERENCES:
patent: 3004896 (1961-10-01), Heller et al.
patent: 3253921 (1966-05-01), Sawdey
patent: 3649276 (1972-03-01), Sano et al.
patent: 4045229 (1977-08-01), Weber et al.
patent: 4195999 (1980-04-01), Adachi et al.
patent: 4307184 (1981-12-01), Beretta et al.
patent: 4323633 (1982-04-01), Beretta
patent: 4443534 (1984-04-01), Kojima et al.

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