Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1998-09-17
2000-01-25
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430506, 430543, 430502, 430503, G03C 146
Patent
active
06017689&
ABSTRACT:
A color photographic silver halide material having at least two blue-sensitive, yellow coupler containing silver halide emulsion layers, at least two green-sensitive, magenta coupler containing silver halide emulsion layers and at least two red-sensitive, cyan coupler containing silver halide emulsion layers together with conventional interlayers and protective layers, wherein photosensitive layers of identical color sensitivity differ with regard to the photographic sensitivity thereof and the more highly sensitive layers are arranged further away from the support than the less sensitive layers of identical color sensitivity, which material contains, in a layer which is arranged further from the support than the most highly sensitive, blue-sensitive layer, both at least one yellow coupler and at least one magenta or cyan coupler, is distinguished by improved grain and sensitivity combined with very good color reproduction.
REFERENCES:
patent: 4184876 (1980-01-01), Eeles et al.
patent: 4526863 (1985-07-01), Mihayashi et al.
patent: 4652515 (1987-03-01), Ogawa et al.
patent: 4977069 (1990-12-01), Iijima et al.
patent: 5830628 (1998-11-01), Borst et al.
Bell Peter
Buscher Ralf
Endres Lothar
Rosenhahn Lothar
Scheerer Rainer
Agfa-Gevaert AG
Letscher Geraldine
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