Process for preparing silver halide emulsion

Details Process for preparing silver halide emulsion Process for preparing silver halide emulsion

1982-12-30

1984-09-18

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430603, 430543, G03C 128

Patent

active

044724969

ABSTRACT:
There is disclosed a process for producing a silver halide emulsion comprising sulfur sensitizing a silver halide emulsion for photography containing a chloride rich silver halide comprising 80 mole % or more of silver chloride under the conditions of pAg and/or temperature during the sulfur sensitization which are constituted of at least two different steps with lapse of time.
According to this invention, there is provided a silver halide emulsion which can give a good image without any change, can exhibit advantages of silver chloride, and is improved in the drawbacks of high fog and poor shelf-stability of silver chloride.

REFERENCES:
patent: 2222264 (1940-11-01), Nietz et al.
patent: 2521926 (1950-09-01), Lowe et al.
patent: 4088494 (1978-05-01), Tani
patent: 4097284 (1978-06-01), Tani

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