Photographic silver halide element with opaque backing layer

Details Photographic silver halide element with opaque backing layer Photographic silver halide element with opaque backing layer

1976-10-01

1980-07-08

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

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

430510, 430530, G03C 176, G03C 184

Patent

active

042118379

ABSTRACT:
Removable opaque backing layers for photographic silver halide elements are described. The opaque backing layer contains carbon black and a scavenging agent for impurities of the carbon black selected from fine-rain photosensitive silver halides, silver nitrate, and halides of iron, zinc and mercury. The scavenger prevents the impurities from fogging the photographic silver halide emulsion layers of the elements.

REFERENCES:
patent: 1434453 (1922-11-01), Steel
patent: 3269252 (1956-08-01), Keyser et al.
patent: 3511660 (1970-05-01), Stevens et al.
patent: 3793029 (1974-02-01), Parker
patent: 3881952 (1975-05-01), Young
patent: 3900323 (1975-08-01), MacLeish et al.

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