Negative silver halide photographic light-sensitive material cap

Details Negative silver halide photographic light-sensitive material cap Negative silver halide photographic light-sensitive material cap

1990-04-24

1990-12-25

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430510, 430517, 430519, 430522, 430598, G03C 136

Patent

active

049802763

ABSTRACT:
A silver halide light-sensitive photographic material having an improved safe-light insensitivity and, therefore, capability of being easily handled in the light room is disclosed. The material comprises a support; at least one silver halide emulsion layer being provided on one side of the support and containing silver halide grains containing at least 50 mol % of silver chloride, 10.sup.-4 to 10.sup.-8 mol per 1 mol of silver halide of a rhodium salt and a desensitizing dye; and at least one hydrophilic colloidal layer being provided on the other side of the support and containing at least one dye so that the absorbancy of the dye at the maximum spectral sensitivity wavelength (.lambda.max) of the densenitizing dye is not less than 0.3 and the absorbance ratio at the maximum spectral sensitivity wavelength against that at 450 nm is not less than 0.2.

REFERENCES:
patent: 3201249 (1965-08-01), Pierce et al.
patent: 3431111 (1969-03-01), Brooker et al.
patent: 3767651 (1973-10-01), Chapman
patent: 4221864 (1980-10-01), Iytaka et al.
patent: 4666827 (1987-05-01), Sumi et al.
patent: 4737452 (1988-04-01), Kameoka et al.

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