Photographic developer composition

Details Photographic developer composition Photographic developer composition

1975-09-12

1977-05-10

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 66R, G03C 530

Patent

active

040226212

ABSTRACT:
A photographic developer composition containing (1) a developing agent, (2) a carbonyl-bisulfite, (3) a carbonate and (4) a primary or secondary alkanolamine, the alkanolamine being present in a molar amount less than the amount of said carbonylbisulfite.

REFERENCES:
patent: 3232761 (1966-02-01), Allen et al.
patent: 3573914 (1971-04-01), Masseth
patent: 3615488 (1971-10-01), Drago
patent: 3708303 (1973-01-01), Salesin
patent: 3793027 (1974-02-01), Okutsu et al.
patent: 3833378 (1974-09-01), Hayashi

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