Diffusion transfer material and process

Details Diffusion transfer material and process Diffusion transfer material and process

1983-02-14

1984-05-22

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430218, 430219, 430227, 430543, 430559, 430566, 430570, 430598, 430599, 430606, 430621, 430564, 430955, 430957, 430958, 430960, G03C 140, G03C 110, G03C 554, G03C 148

Patent

active

044502230

ABSTRACT:
A photographic silver halide material comprising a compound which is capable of being reduced by a silver halide developing agent at a rate slower than that of image-wise developable silver halide and in reduced state is capable of releasing a photographically useful group, characterized in that said compound corresponds to the following formula: ##STR1## wherein: R.sup.10 and R.sup.20 (same or different)

REFERENCES:
patent: 4139379 (1979-02-01), Chasman et al.
patent: 4139389 (1979-02-01), Hinshaw et al.
patent: 4369243 (1983-01-01), Credner et al.
patent: 4381339 (1983-04-01), Renner et al.

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