Photographic film units containing a polymeric mordant which...

Details Photographic film units containing a polymeric mordant which... Photographic film units containing a polymeric mordant which...

G - Physics

03

C

96/100, 96/147,

G03C 8/56 (2006.01)

Patent

CA 1117348

Abstract of the Disclosure A photographic element comprising a support, a layer containing certain photoographically useful and/or active fragments and a layer containing a dye mordant composition comprising a polymer having recurring units Or the formula selected from the group consisting Or: and Image Image wherein: R2 13 hydrogen or alkyl; R1 is hydrogen> alkyl or aryl; L is a linking group; W is an electron-withdrawing group; X is a leaving group; and n is 0 or 1. The polymeric mordants covalently bond with dyes or dye precursors and are especially useful in d?ffusion transrer processes.

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