Process for stabilizing a color developing solution

Details Process for stabilizing a color developing solution Process for stabilizing a color developing solution

1976-08-27

1977-10-25

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 56, G03C 700, G03C 530

Patent

active

040554260

ABSTRACT:
A process for stabilizing a color developing solution which comprises adding one or more hydroxamic acid compounds represented by the following formula to the color developing solution: ##STR1## wherein X represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an unsubstituted or substituted aryl group having 6 to 10 carbon atoms, an amino group, an alkylamino group having 1 to 4 carbon atoms or an arylamino group.

REFERENCES:
patent: 1663959 (1928-03-01), Schestakoff
patent: 3751252 (1973-08-01), Smith et al.
patent: 3751255 (1973-08-01), Wilson et al.
patent: 3794488 (1974-02-01), Henn et al.
Mason, Photographic Processing Chemistry, pp. 14-45, 1966.

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