Color photographic material containing new 2-equivalent...

Details Color photographic material containing new 2-equivalent... Color photographic material containing new 2-equivalent...

C - Chemistry, Metallurgy

07

D

96/135, 260/314

C07D 233/70 (2006.01) C07D 233/90 (2006.01) C07D 235/26 (2006.01) G03C 1/10 (2006.01) G03C 7/305 (2006.01)

Patent

CA 1058191

Abstract of the Disclosure Color photographic materials containing as a 2-equivalent yellow coupler having a 1,3-diazolone-2 ring as splittable group attached by the nitrogen in the 1-position of the diazolone ring to the coupling position of the 2-equivalent yellow coupler and carrying a C=C double bond adjacent to its nitrogen atom in the 1-position have improved photographic properties in particular with respect to improved reactivity of the yellow coupler on chromogenic development of the photographic material and improved stability of the couplers as well as the dyes produced from them on chromogenic development in the photographic material which have been subjected to storage under moist and/or warm conditions.

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