Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1981-02-04
1982-06-22
Louie, Jr., Won H.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430581, 430583, 430585, 430270, 430271, 430273, 430569, 430566, 430611, 430614, G03C 148, G03C 134
Patent
active
043363210
ABSTRACT:
In a silver halide photographic material, at least one mercapto complexing agent for silver salt is contained in at least one photographic constituting layer and at least one anion or betaine type cyanine sensitizing dye is contained in silver halide emulsion layer to improve photographic defects such as reduction of sensitivity, softening in tone, etc.
REFERENCES:
patent: 2377375 (1945-06-01), Russell
patent: 3020155 (1962-02-01), Yackel et al.
patent: 3226231 (1965-12-01), Dersch et al.
patent: 3438776 (1969-04-01), Yudelson
patent: 3507658 (1970-04-01), Dersch et al.
patent: 3932186 (1976-01-01), Borror et al.
Kanada Eiji
Senga Takao
Takaya Yoshikazu
Tsubai Yasuo
Yamada Shoji
Louie, Jr. Won H.
Mitsubishi Paper Mills Ltd.
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