Modified peptizer twinned grain silver halide emulsions and proc

Details Modified peptizer twinned grain silver halide emulsions and proc Modified peptizer twinned grain silver halide emulsions and proc

1989-04-28

1990-07-17

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430642, G03C 102

Patent

active

049421204

ABSTRACT:
The present invention is directed to a process of precipitating for use in photography a silver halide emulsion employing a gelatino-peptizer containing alkylated methionine and to an emulsion produced by this process. A variety of advantages can be realized, including an increase in the population of twinned grains and a higher yield of thin tabular grains.

REFERENCES:
patent: 4713320 (1987-12-01), Maskasky
patent: 4713323 (1987-12-01), Maskasky
Research Disclosure, vol. 176, Dec., 1978, Item 17643, Section IX, Vehicles and Vehicle Extenders.
Research Disclosure, vol. 225, Jan., 1983, Item 22534.
E. Klein et al, Fotografische Korrespondenz, 99 (7), 99-102 (1963).

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