Method for obtaining a color contrast photographic image, photog

Details Method for obtaining a color contrast photographic image, photog Method for obtaining a color contrast photographic image, photog

1975-06-20

1976-03-02

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 22, 96 66R, 96 66HD, G03C 530, G03C 716

Patent

active

039415996

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

REFERENCES:
patent: 3627530 (1971-12-01), Umberger
patent: 3658525 (1972-04-01), Bent et al.
patent: 3883354 (1975-05-01), Molenda
Mason, Journal of Photo. Science, Vol. 11, 1963, pp. 136-139, "Superadditivity of Phenidone & Metal with Color Developing Agents".

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