Photographic system

Details Photographic system Photographic system

C - Chemistry, Metallurgy

07

D

96/138, 260/290.

C07D 213/24 (2006.01) C07D 213/30 (2006.01) G03C 1/42 (2006.01) G03C 7/392 (2006.01) G03C 8/00 (2006.01) G03C 8/16 (2006.01)

Patent

CA 1284151

ABSTRACT OF THE DISCLOSURE There is described a photographic system wherein development of an exposed photosensitive element with an aqueous alkaline photographic developing composition is effected in the presence of a compound which releases a quaternary in alkaline environment. Photographic products and processes utlizing such compounds are also disclosed.

509040

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