Radiation imagery chemistry: process – composition – or product th – Silver halide colloid tanning process – composition – or product
Patent
1987-03-02
1988-05-24
Louie, Won H.
Radiation imagery chemistry: process, composition, or product th
Silver halide colloid tanning process, composition, or product
430265, 430949, 430961, 430639, 430631, 430642, G03C 102, G03C 542
Patent
active
047465948
ABSTRACT:
A silver halide photographic material for a photomechanical process is disclosed. The material comprises a support having provided thereon at least one light-sensitive silver halide emulsion layer and at least one light-insensitive upper layer disposed on the upper side of the emulsion layer. The light-sensitive upper layer has a greater melting time than the light-sensitive emulsion layer. The emulsion layer contains starch, modified starch and/or macromolecular polysaccharides produced from starch using a microbial fermentation process. The material has greatly improved reduction processability.
REFERENCES:
patent: 3105762 (1963-10-01), Byrne et al.
patent: 3222177 (1965-12-01), Lemmerling
patent: 3253926 (1966-05-01), Van Pee et al.
patent: 4367284 (1983-01-01), Cellone et al.
patent: 4450230 (1984-05-01), Delfino et al.
patent: 4455365 (1984-06-01), Urata et al.
patent: 4460680 (1984-07-01), Ogawa et al.
Research Disclosure, vol. 176, Dec. 1978, pp. 22-31, Disclosure #17643.
Kasama Yasuo
Kuwabara Ken-ichi
Nobuaki Inoue
Fuji Photo Film Co. , Ltd.
Louie Won H.
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