Silver halide photographic materials containing the addition pro

Details Silver halide photographic materials containing the addition pro Silver halide photographic materials containing the addition pro

1974-07-31

1976-09-21

Louie, Jr., Won H.

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 76R, 96109, 96 665, G03C 134

Patent

active

039817334

ABSTRACT:
Anti-fog compounds for silver halide photographic emulsions are disclosed. These compounds comprise the addition products of lower alkylene oxides and organic polyamines. The addition products of ethylene diamine and propylene oxide-ethylene oxide are especially useful in this application.

REFERENCES:
patent: 2400532 (1946-05-01), Blake et al.
patent: 2976150 (1961-03-01), Smith
patent: 3307948 (1967-03-01), Thiers et al.
patent: 3833378 (1974-09-01), Hayashi et al.

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