Silver halide photographic emulsions for use in flash exposure

Details Silver halide photographic emulsions for use in flash exposure Silver halide photographic emulsions for use in flash exposure

1976-05-25

1979-11-06

Brown, Travis

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430 1, 430 5, 430945, 430374, 430603, 430605, 430550, 430574, 430576, 430577, G03C 108, G03C 114

Patent

active

041734831

ABSTRACT:
A silver halide photographic material for use in flash exposure of less than 1/10000 second comprising 10.sup.-8 to 5.times.10.sup.-7 moles/moles of silver halide of at least one compound belonging to Group VIII of the Periodic Table and at least one of the sensitizing dyes of the following formulas (I) or (II) and which is capable of sensitizing silver halide at less than 550 nm: ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3, Q, X.sup.(-), Z, Z.sub.1, Z.sub.2, n, n.sub.1, n.sub.2 and n.sub.3 are as defined in the specification.

REFERENCES:
patent: 2977229 (1961-03-01), Jones
patent: 3782957 (1974-01-01), Ohkubo et al.
patent: 3790390 (1974-02-01), Shiba et al.
patent: 3804634 (1974-04-01), Shiba et al.
patent: 3915715 (1975-10-01), Millikan et al.
patent: 3969116 (1976-07-01), Shiba et al.
patent: 3982950 (1976-09-01), Shiba et al.

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