Photographic element containing a UV-filter layer

Details Photographic element containing a UV-filter layer Photographic element containing a UV-filter layer

1981-08-10

1982-11-16

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430931, 523135, G03C 178

Patent

active

043595227

ABSTRACT:
Light-sensitive photographic material which contains as a uv-filter layer a non-light sensitive layer comprising a compound of the formula ##STR1## wherein W is the residue of an oxazolone, isoxazolone or pyrazolone ring, R.sub.1, R.sub.2 and R.sub.5 are each hydrogen or halogen or --OCOR.sub.10 wherein R.sub.10 is an optionally substituted alkyl or alkoxy, alkaryl or aryl, and R.sub.3 and R.sub.4 are each hydrogen or alkoxy.
These compounds exhibit a very sharp cut-off point at about 400 nm.

REFERENCES:
patent: 4052216 (1977-10-01), Sobel et al.
patent: 4245018 (1981-01-01), Hara et al.
patent: 4309500 (1982-01-01), Shishido

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