Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1991-06-12
1992-06-02
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430569, 430570, G03C 1035, G03C 110
Patent
active
051186004
ABSTRACT:
A chemically sensitized silver halide photographic emulsion comprising silver halide grains, at least 70% of the projected surface area of all the silver halide grains being constituted by tabular grains having an aspect ration of at least 3, wherein at least 0.5 millimoles of a sensitizing dye and 0.5 to 5.0 millimoles of at least one silver halide adsorbing substance other than a sensitizing dye per mole of the silver halide are introduced in the emulsion preparation stage and are present during chemical sensization of the silver halide.
REFERENCES:
patent: 3628960 (1971-12-01), Philippaerts et al.
patent: 4225666 (1980-09-01), Locker et al.
patent: 4434226 (1984-02-01), Wilgus et al.
patent: 4542094 (1985-09-01), Koshizuka et al.
patent: 4610958 (1986-09-01), Matsuzaka et al.
patent: 4791053 (1988-12-01), Ogawa
Kuwabara Mikizou
Yamada Sumito
Baxter Janet C.
Fuji Photo Film Co. , Ltd.
Schilling Richard L.
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