Silver halide photographic emulsions

Details Silver halide photographic emulsions Silver halide photographic emulsions

1975-12-18

1977-10-11

Brown, J. Travis

Gas separation: apparatus

Solid sorbent apparatus

Plural diverse separating means

96140, G03C 110, G03C 122

Patent

active

040533182

ABSTRACT:
A silver halide photographic emulsion containing at least one spectral sensitizing dye represented by formula (I) ##STR1## wherein Z is an atomic group necessary for completing a 5- or 6-membered heterocyclic ring, R.sub.1 is an aliphatic group, R.sub.2 is an aliphatic group having an alkylthio group or an aliphatic group having two alkoxy groups on the same carbon atom, R.sub.3 is an aryl group, an alkyl group or an alkenyl group, R.sub.4 is a hydrogen atom, an alkyl group or an aryl group, and m and n are 1 or 2.

REFERENCES:
patent: 3698910 (1972-10-01), Sakazume et al.
patent: 3822136 (1974-07-01), Sakazume et al.
patent: 3951666 (1976-04-01), Hinata et al.

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