Photographic element for tanning development and method for obta

Details Photographic element for tanning development and method for obta Photographic element for tanning development and method for obta

1981-09-08

1983-01-18

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430306, 430405, 430495, 430517, 430539, 430566, 430961, G03C 176, G03C 106

Patent

active

043692451

ABSTRACT:
A photographic element for tanning development which comprises a support, a layer of silver halide emulsion in non-hardened gelatin including a tanning developer dispersed therein, and over said emulsion layer, a layer of non-hardened gelatin comprising at least one colored pigment dispersed therein, characterized by the silver in said silver halide emulsion layer being present in a quantity of less than 0.6 g/m.sup.2 with a silver/gelatin ratio of less than 0.4. A method for obtaining a colored relief image in such an element is shown.

REFERENCES:
patent: 3276871 (1966-10-01), Abbott
patent: 3364024 (1968-01-01), Yackel et al.
patent: 3864129 (1975-02-01), Schober
patent: 3989522 (1976-11-01), Poot et al.
patent: 4029509 (1977-06-01), Blake
patent: 4233392 (1980-11-01), Friedel

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