White safelight handleable photographic film containing a filter dye layer
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United States of America Patent
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-
Apr 20, 1993
Grant Date -
N/A
app pub date -
Mar 31, 1992
filing date -
Mar 31, 1992
priority date (Note) -
Expired
status (Latency Note)
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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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