High chloride [100] tabular grain emulsions improved emulsions a

Details High chloride [100] tabular grain emulsions improved emulsions a High chloride [100] tabular grain emulsions improved emulsions a

1994-06-03

1995-05-09

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430567, G03C 1015

Patent

active

054139040

ABSTRACT:
An improved preparation of high chloride {100} tabular grain emulsions that relies on iodide ions to produce tabular grain growth is disclosed. By delaying iodide ion introduction until after the initiation of grain nucleation the proportion of total grain projected area accounted for by high chloride {100} tabular grains is increased. The projected areas of the {100} tabular grains can exceed 95 percent of total grain projected area.

REFERENCES:
patent: 5264337 (1993-11-01), Maskasky
patent: 5292632 (1994-03-01), Maskasky
patent: 5314798 (1994-05-01), Brust et al.
patent: 5320938 (1994-06-01), House et al.

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