Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1992-05-04
1993-11-30
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430506, 430507, 430505, 430504, G03C 108
Patent
active
052664511
ABSTRACT:
A color photographic recording material with a reflective support which contains a spectrally sensitized silver halide emulsion containing at least one sensitizer for the spectral region B in a layer free from color coupler adjacent at least one dye-producing silver halide emulsion layer sensitized for the spectral region A, the sensitivity of the spectrally sensitized silver halide emulsion of the layer free from color coupler being lower by 0.6 to 2.5 log H units than the sensitivity of the sensitized silver halide emulsion of the dye-producing silver halide emulsion layer, is distinguished by an extended gradation range in the region of the maximum densities and, hence, by distinctly improved fine detail resolution at high densities.
REFERENCES:
patent: 4751174 (1988-06-01), Toya
patent: 4752558 (1988-06-01), Shimura et al.
patent: 4806460 (1989-02-01), Ogawa et al.
patent: 4902609 (1990-02-01), Hahm
patent: 4946765 (1990-08-01), Hahm
Kampfer Helmut
Peters Manfred
Schmidt Wolfgang
Schmuck Arno
AGFA -Gevaert Aktiengesellschaft
Bowers Jr. Charles L.
Neville Thomas R.
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