Photographic silver halide emulsion

Details Photographic silver halide emulsion Photographic silver halide emulsion

1976-09-14

1977-06-21

Brammer, Jack P.

Gas separation: apparatus

Solid sorbent apparatus

With control means responsive to sensed condition

G03C 172

Patent

active

040309290

ABSTRACT:
The sensitivity of silver halide emulsions is increased if the silver halide is precipitated in the presence of a peptization agent which consists partially or wholly of a copolymer comprising 0.1 to 20 mol% of recurring structural units of the formula ##STR1## in which X is hydrogen or alkyl having 1 to 4 carbon atoms and Y is a 8-hydroxyquinoline group attached through its 5- or 7-position.

REFERENCES:
patent: 3709690 (1973-01-01), Cohen et al.
patent: 3713834 (1973-01-01), Fitzgerald et al.
patent: 3829369 (1974-08-01), Feinberg
patent: 3847620 (1974-11-01), Iguchi et al.
patent: 3852073 (1974-12-01), Fitzgerald et al.
patent: 3868252 (1975-02-01), Campbell et al.

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