Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1998-12-23
2000-04-11
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430384, 430385, 430434, 430435, 430441, 430442, 430502, 430503, 430504, 430543, G03C 746
Patent
active
060486740
ABSTRACT:
The invention provides photographic element comprising a first light sensitive silver halide emulsion layer having associated therewith a cyan dye-forming coupler, a second light sensitive silver halide emulsion layer having associated therewith a magenta dye-forming coupler, and a third light sensitive silver halide emulsion layer having associated therewith a yellow dye-forming coupler,
wherein the normalized spectral transmission density distribution curve of the dye formed by the cyan coupler upon development with a p-phenylenediamine developer has a density between 0.7 and 0.78 at 600 nm and a density between 0.8 and 0.91 at 610 nm. Such an element enables an increase in the color gamut for imaging.
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patent: 5378596 (1995-01-01), Naruse et al.
patent: 5514527 (1996-05-01), Abe et al.
The Reproduction of Color, Hunt 5th Ed. pp. 177-192.
The Color Gamut Obtainable by the Combination of Subtractive Color Dyes. Optimum Absorption Bands as Defined by Nonlinear Optimization Technique, J. Imaging Science, 30, 9-12; by N. Ohta.
Brightness and Hue of Present Day Dyes in Relation to Colour Photography, by ME Clarkson and T. Vickerstaff, Photo J. 88b, 26 (1948).
Bushnell Patti L.
McInerney Elizabeth
Eastman Kodak Company
Kluegel Arthur E.
Letscher Geraldine
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