Photographic sulfonamido compounds and elements and processes us

Details Photographic sulfonamido compounds and elements and processes us Photographic sulfonamido compounds and elements and processes us

1977-09-09

1979-01-23

Schilling, Richard C.

Gas separation: apparatus

Electric field separation apparatus

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

96 3, 96 566, 96 73, 96 74, 96 76R, 96 77, 96 95, 96 96, 96 99, 96101, 96109, 96120, 96100R, G03C 140, G03C 554, G03C 148, G03C 110

Patent

active

041359291

ABSTRACT:
A novel class of redox releasing compounds contains an N,N-disubstituted carbamoyl ballast group. These compounds can be used in photographic elements and processes to release a dye or other photographically useful group as a function of silver halide development.

REFERENCES:
patent: B351673 (1975-01-01), Fleckenstein et al.
patent: 3458315 (1969-07-01), Loria
patent: 3591383 (1971-07-01), Yoshida et al.
patent: 3932380 (1976-01-01), Krutak et al.
patent: 4053312 (1977-10-01), Fleckenstein
Research Disclosure No. 15654, 4/1977, pp. 32-39.
Research Disclosure No. 15157, 11/1976, pp. 68-74.

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