Method for forming photographic images

Details Method for forming photographic images Method for forming photographic images

1977-08-17

1979-10-30

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

And serially arranged nonelectrical separator

96 22, 96 60R, 96 66R, G03C 700, G03C 532, G03C 530

Patent

active

041727266

ABSTRACT:
A method for forming images which comprises image-amplifying an image-wise exposed photographic element comprising a support having thereon at least one silver halide photographic layer containing an image-wise distributed material having a catalytic action by processing the photographic element with a solution containing (1) at least one cobalt (III) complex and (2) at least one organic phosphonic acid compound in the presence of a reducing agent.

REFERENCES:
patent: 3767401 (1973-10-01), Newman
patent: 3923511 (1975-12-01), Bissonette
patent: 3928040 (1975-12-01), Shimamura et al.

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