Direct positive photographic light-sensitive material

Details Direct positive photographic light-sensitive material Direct positive photographic light-sensitive material

1988-09-12

1990-11-13

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

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

430409, 430410, 430506, 430509, 430547, 430567, 430569, G03C 146, G03C 1485

Patent

active

049701401

ABSTRACT:
A direct positive photographic light-sensitive material is disclosed which comprises at least two direct positive emulsion layers having the same color sensitivity, wherein at least one hydrophilic colloid layer is provided between the direct positive emulsion layers. A direct positive photographic light-sensitive material having a high graininess, a soft tone, and a high picture quality can be obtained.

REFERENCES:
patent: 2350380 (1940-08-01), White
patent: 2397452 (1943-11-01), White
patent: 3501305 (1970-03-01), Illingsworth
patent: 3843369 (1974-10-01), Kamai et al.
patent: 4045228 (1977-08-01), Vanassche et al.
patent: 4186016 (1980-01-01), Lohmann et al.
patent: 4608334 (1986-08-01), Shuto et al.
patent: 4613563 (1986-09-01), Murai
patent: 4643965 (1987-02-01), Kubota et al.

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