Photographic products employing nondiffusible N',N'-diaromatic c

Details Photographic products employing nondiffusible N',N'-diaromatic c Photographic products employing nondiffusible N',N'-diaromatic c

1985-07-29

1986-10-28

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...

430212, 430217, 430218, 430219, 430542, 430543, 430559, 430562, 430564, 430566, 430591, 430598, 430600, 430603, 430606, 430611, 430621, 430955, 430957, 430959, G03C 140, G03C 554, G03C 134, G03C 142

Patent

active

046198849

ABSTRACT:
Photographic elements and assemblages are described which employ nondiffusible N',N'-diaromatic carbocyclic--or diaromatic heterocyclic--sulfonohydrazide compounds which are capable of releasing photographically useful groups in an imagewise manner as a function of silver halide development.

REFERENCES:
patent: 4278748 (1981-07-01), Sidhu et al.
patent: 4369243 (1983-01-01), Credner et al.
patent: 4430420 (1984-02-01), Adin
Research Disclosure, May 1977, #15776, pp. 67-68.
Research Disclosure, Oct. 1978, #17465, p. 64.
Research Disclosure, vol. 128, Dec. 1974, Item No. 12823, pp. 22 to 25 (Application p. 1, lines 25-26).

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