G - Physics – 03 – C
Patent
G - Physics
03
C
96/264, 96/58
G03C 5/30 (2006.01) G03C 5/305 (2006.01)
Patent
CA 1110483
ABSTRACT OF THE DISCLOSURE A photographic developer containing hydroquinone, an auxiliary developer such as phenidone, and high sulfite is formulated using an organic base such as diethanolamine. This is useful for processing litho film in rapid access machine processor to produce high contrast line and half-tone dot images from films processed therein,
315019
Pangratz William R.
Sincius Joseph A.
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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