Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1991-08-27
1993-07-13
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430546, 430554, 430555, 430556, 430557, 430558, G03C 146, G03C 732
Patent
active
052272826
ABSTRACT:
Disclosed is a light-sensitive silver halide color photographic material having at least three kinds of silver halide emulsion layers with different color sensitivities on a reflective support and also having yellow, magenta and cyan color forming couplers for forming colors related to developing of said silver halide emulsions, characterized in that when the coupler for forming color related to said color sensitive silver halide emulsion bearing primarily cyan color image is color formed to a cyan image density of 0.4, the color difference (color difference .DELTA.E in the CEI 1976 L*a*b* color space) from the minimum density is .DELTA.E.gtoreq.23.
REFERENCES:
patent: 4921783 (1990-05-01), Nakayama et al.
patent: 4994362 (1991-02-01), Okumura et al.
patent: 5019493 (1991-05-01), Sato et al.
patent: 5023169 (1991-06-01), Hirabayashi et al.
European Patent 320,778, Jun., 1989, pp. 3, 33, 36, 39.
Sato Hirokazu
Tanaka Shigeo
Baxter Janet C.
Konica Corporation
Le Hoa Van
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