Photographic material containing TiO.sub.2, soluble Cu(II) salt,

Details Photographic material containing TiO.sub.2, soluble Cu(II) salt, Photographic material containing TiO.sub.2, soluble Cu(II) salt,

1977-07-07

1978-10-24

Louie, Jr., Won H.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 88, G03C 100, G03C 524

Patent

active

041219384

ABSTRACT:
A photographic material comprising a support having thereon a light-sensitive layer containing powdered titanium dioxide, a soluble silver salt, a soluble copper (II) salt and a hydrophilic binder and a method of forming a black copper image comprising dipping the imagewise exposed photographic material into an aqueous solution containing a reducing agent.

REFERENCES:
patent: 3512972 (1970-05-01), Case
patent: 3634083 (1972-01-01), Berman et al.
patent: 3655383 (1972-04-01), Shepard et al.
patent: 3663225 (1972-05-01), McLeod
patent: 3674489 (1972-07-01), Wyman
patent: 3839038 (1974-10-01), Gracia et al.

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