Method for obtaining a color contrast photographic image by colo

Details Method for obtaining a color contrast photographic image by colo Method for obtaining a color contrast photographic image by colo

1973-11-08

1976-01-20

Klein, David

Gas separation: apparatus

Electric field separation apparatus

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

96 55, 96 76R, 96 77, G03C 554, G03C 700, G03C 148, G03C 140

Patent

active

039334945

ABSTRACT:
Color contrast photographic images may be produced in a photographic element comprising:

REFERENCES:
patent: 2698237 (1954-12-01), Land
patent: 2712995 (1955-07-01), Weyde
patent: 3227550 (1966-01-01), Whitmore et al.
patent: 3585028 (1971-06-01), Stephens
patent: 3689272 (1972-09-01), Schwan et al.
patent: 3787209 (1974-01-01), Land

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