Photographic dye image stabilization

Details Photographic dye image stabilization Photographic dye image stabilization

1975-02-03

1977-08-16

Louie, Jr., Won H.

Gas separation: apparatus

Electric field separation apparatus

And serially arranged nonelectrical separator

96100R, 96 77, 428207, G03C 700

Patent

active

040423948

ABSTRACT:
A photographic element is disclosed comprised of a support and at least one layer containing a photographic imaging dye or its precursor. The imaging dye is chosen to have an absorption peak below 590 nm. An azomethine dye having an absorption peak above 700 nm is associated with the imaging dye or its precursor within the photographic layer. The azomethine dye reduces the rate of fading of the imaging dye upon exposure to visible light. A process for stabilizing a photographic dye image is also disclosed.

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patent: 3642485 (1972-02-01), Oishi et al.
patent: 3790379 (1974-02-01), Oishi et al.

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