Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1982-07-30
1985-02-05
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430567, G03C 102
Patent
active
044978952
ABSTRACT:
There is disclosed a method for preparing a silver halide photographic emulsion by use of an ammoniacal silver nitrate solution in a double-jet manner, characterized in that the method comprises the step of maintaining the ratio between the maximum and minimum solubility of the silver halide in a silver halide photographic emulsion at 3 or less after 1/10 of the total amount of the solution containing silver halide has been used.
The method according to the present invention provides a monodispersed silver halide photographic emulsion which has a high sensitivity, i.e., which comprises silver halide having a relatively large crystal size.
REFERENCES:
patent: 3650757 (1972-03-01), Irie
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patent: 3821002 (1974-06-01), Culhane et al.
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patent: 4242445 (1980-12-01), Saito
patent: 4298683 (1981-11-01), Becker et al.
patent: 4309501 (1982-01-01), Huguenard et al.
Claes et al., "Quantitative Kinetic Study of Crystal Growth" I Photo Korr 101, pp. 37-42, 1965.
Claes et al., "Quantitative Kinetic Study of Crystal Growth" II Photo Korr 102, pp. 90-95, 1966.
Haga Yoshihiro
Koitabashi Takeo
Matsuzaka Syoji
Shiozawa Hiroaki
Suzuki Akio
Downey Mary F.
Konishiroku Photo Industry Co,., Ltd.
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