High-contrast light-sensitive silver halide photographic materia

Details High-contrast light-sensitive silver halide photographic materia High-contrast light-sensitive silver halide photographic materia

1980-09-04

1983-11-22

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430264, 430438, 430440, 430564, 430949, 430496, G03C 106

Patent

active

044169809

ABSTRACT:
High-contrast light-sensitive silver halide photographic material which comprises a support, a silver halide emulsion layer containing silver halide and another hydrophilic colloidal layer coated on the support, at least one of said silver halide emulsion layer and another hydrophilic colloidal layer containing a substantially non-diffusible compound having oxidizing power on a hydroquinone developing agent, and the thickness, in an aqueous solution having the composition described as in the specification kept at 23.degree. C., of said at least one layer being from 1.2-4.5 times that of said layer dried in an atmosphere at 23.degree. C. at a relative humidity of 55%.

REFERENCES:
patent: 3061436 (1962-10-01), Himmelmann
patent: 3071465 (1963-01-01), Dersch et al.
patent: 3185567 (1965-05-01), Rogers
patent: 3420664 (1969-01-01), Dersch et al.
patent: 3597213 (1971-08-01), Dersch et al.
patent: 3740226 (1973-06-01), Dappen et al.
patent: 3847619 (1974-11-01), Bissonette
patent: 3891442 (1975-06-01), Beavers
patent: 3909268 (1975-09-01), Baldassarri et al.
patent: 3928043 (1975-12-01), Ciurca
patent: 3957491 (1976-05-01), Ohi
patent: 4175966 (1979-11-01), Fujiwhara et al.
patent: 4233400 (1980-11-01), Fujiwhara et al.
Making & Coating Emulsions by Zelikman & Levi, pp. 277, 13, 1965.

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