Direct positive emulsions containing fogged, monodispersed silve

Details Direct positive emulsions containing fogged, monodispersed silve Direct positive emulsions containing fogged, monodispersed silve

1973-11-20

1977-08-30

Louie, Jr., Won H.

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96107, 96108, 96 661, 96120, G03C 524, G03C 128

Patent

active

040452280

ABSTRACT:
Direct positive silver halide emulsions are provided which contain fogged homodisperse silver halide grains having a silver iodide content of more than 10 mole % and at most 20 mole % relative to the total amount of silver halide. These emulsions have higher sensitivity than corresponding fogged emulsions with less silver iodide content.

REFERENCES:
patent: 3320069 (1967-05-01), Illingsworth
patent: 3367778 (1968-02-01), Berriman
patent: 3531290 (1970-09-01), Litzerman
patent: 3647455 (1972-03-01), Burt et al.
patent: 3740226 (1973-06-01), Dappen
patent: 3759713 (1973-09-01), Florens

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