Color photographic materials having red color saturation and imp

Details Color photographic materials having red color saturation and imp Color photographic materials having red color saturation and imp

1985-07-05

1987-11-10

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430362, 430504, 430506, 430554, 430957, G03C 146, G03C 700

Patent

active

047057440

ABSTRACT:
Silver halide color photographic materials comprising a support having thereon at least one blue-sensitive silver halide emulsion layer comprising a yellow dye-forming coupler, at least one green-sensitive silver halide emulsion layer comprising a magenta dye-forming coupler, and at least one red-sensitive silver halide emulsion layer comprising a cyan dye-forming coupler, characterized in that the wavelength weight-averaged between 500 nm and 600 nm (.lambda..sub.G) of spectral sensitivity distribution of all green-sensitive layers is in the range of 520 nm to 580 nm, the wavelength weight-averaged between 500 nm and 600 nm (.lambda..sub.-R) of spectral sensitivity distribution of one or more donor layers which exert an interlayer effect to at least one red-sensitive emulsion layer comprising a cyan dye-forming coupler is located in the range of 500 nm to 560 nm, and the difference of (.lambda..sub.G -.lambda..sub.-R) is greater than 5 nm.
The silver halide color photographic materials provide excellent saturation of red colors and improved discrimination of various green colors.

REFERENCES:
patent: 3811890 (1974-05-01), Ohta et al.
patent: 3990899 (1976-11-01), Shiba et al.
patent: 4306015 (1981-12-01), Haylett
patent: 4477563 (1984-10-01), Ichijima et al.
patent: 4500634 (1985-02-01), Sakanoue et al.
patent: 4564587 (1986-01-01), Watanabe et al.

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