White safelight handleable photographic film containing a filter

Details White safelight handleable photographic film containing a filter White safelight handleable photographic film containing a filter

1992-03-31

1993-04-20

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430517, 430520, G03C 146

Patent

active

052042316

ABSTRACT:
A film containing a filter layer comprised of a combination of a green dye and a yellow dye, which prevents the blue wavelength of white safelight from exposing the film. The filter layer permits handling of the film under white safelight for longer periods of time.

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patent: 4801525 (1989-01-01), Mihara et al.
patent: 4855220 (1989-08-01), Szajewski
patent: 4952485 (1990-08-01), Shibahara et al.
patent: 4988611 (1991-01-01), Anderson et al.

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