Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1995-10-24
1997-02-04
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430502, 430506, 430567, 430523, G03C 146
Patent
active
055996574
ABSTRACT:
A colour photographic silver halide material with a support, at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler, at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, at least one interlayer Z-1 beneath the lowermost red-sensitive silver halide emulsion layer and/or at least one interlayer Z-2 beneath the lowermost green-sensitive silver halide emulsion layer, in which Z-1 and/or Z-2 contains a silver halide emulsion which contains tabular grains with an aspect ratio of>2, an average diameter of a sphere of equal volume of.gtoreq.0.3 .mu.m and a diameter of a circle of equal projected surface area of the tabular grains of at least 0.3 .mu.m, is distinguished by improved red and/or green sensitivity.
REFERENCES:
patent: 4614707 (1986-09-01), Fujita et al.
patent: 4751174 (1988-06-01), Toya
B uscher Ralf
Bell Peter
Borst Hans-Ulrich
Brennecke Detlef
Endres Lothar
Agfa-Gevaert AG
Letscher Geraldine
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