G - Physics – 03 – C
Patent
G - Physics
03
C
96/26, 96/84
G03C 1/40 (2006.01) G03C 8/24 (2006.01) G03C 8/56 (2006.01)
Patent
CA 1190427
- 1 - ABSTRACT PHOTOGRAPHIC MATERIAL COMPRISING A LAYER CAPABLE OF BEING COLORED BY ORGANIC DYES In a photographic material suitable for use as image receptor element for the dye diffusion transfer process, a dyeable layer arranged on ? layer support contains nickel chelates of a 2,2'-bisphenol corresponding to one of the general formulae I and II as metallizing agents for the formation of colored complexes of organic colorless or colored complex formers. The chelatizable image dyes which are transferred image-wise into the dye absorbent layer in the process of development give rise to the corresponding nickel complexes which have improved light stability. Image I Image II Image R1 = a hydrocarbon group optionally attached through -O- or a halogen or R4; R2 = hydrogen, halogen, alkyl or alkoxy, alkenyl a condensed benzene ring or R4 if R1 does not denote AG 1804 - 2 - a group R4; R3 = R2 or Image Image -NH-CO-R2 or -NH-SO2-R ; R5 = alkyl, aralkyl or cycloalkyl; R6, R7 = hydrogen, alkyl, aralkyl, aryl, cycloalkyl or together denote a residue for completing a cyclic amino group; R8 = alkyl, aralkyl, aryl, Image R9 = alkyl, aryl or Image AG 1804
409439
Bergthaller Peter
Strauss Jurgen
Agfa-Gevaert Aktiengesellschaft
Fetherstonhaugh & Co.
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