Silver halide photographic light sensitive material and light se

Details Silver halide photographic light sensitive material and light se Silver halide photographic light sensitive material and light se

1988-08-01

1990-08-14

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430229, 430230, 430434, 430264, 430570, 430572, 430573, 430576, 430578, 430584, 430592, 430595, 430627, 430944, G03C 554, G03C 120, G03C 128, G03C 516

Patent

active

049486993

ABSTRACT:
This invention provides a silver halide photographic light sensitive material and a light sensitive lithographic printing plate material which are enhanced in sensitivity to semiconductor laser beam and improved in storage stability and printing endurance. The former comprises a support and a silver halide emulsion layer containing a sensitizing dye having a spectral sensitivity maximum in a wavelength region longer than 700 nm wherein said emulsion layer contains a water-soluble polymer containing a carboxyl group and having a number-average molecular weight of 20,000 or less and the latter comprises a support and, provided thereon, a silver halide emulsion layer containing a sensitizing dye having a spectral sensitivity maximum in a wavelength region longer than 700 nm and a physical development nuclei layer and said emulsion layer contains the above mentioned water-soluble polymer.

REFERENCES:
patent: 4172732 (1979-10-01), Miyazaka et al.
patent: 4501811 (1985-02-01), Saikawa et al.
patent: 4686170 (1987-08-01), Vermeulen et al.
patent: 4770961 (1988-09-01), Tanaka et al.
patent: 4784933 (1988-11-01), Kanada et al.

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