Photographic film units containing aza heterocyclic...

Details Photographic film units containing aza heterocyclic... Photographic film units containing aza heterocyclic...

G - Physics

03

C

96/130, 96/26, 9

G03C 1/40 (2006.01) G03C 8/56 (2006.01)

Patent

CA 1134661

PHOTOGRAPHIC FILM UNITS CONTAINING AZA HETEROCYCLIC POLYMERIC MORDANTS Abstract of the Disclosure A photographic element comprising a support, a layer containing certain photographically useful fragments and a layer containing a dye mordant composition com- prising a polymer having recurring units of the formula: Image wherein: A comprises polymerized units of ethylenically unsatur- ated monomers; R is H or alkyl; R1 is H, alkyl or is a group containing at least one atomatic nucleus; Q is a linking group; Y is H or an inert group; X is a leaving group; E and F are the atoms necessary to complete a 5-7 membered heterocyclic ring; n is O to 2; m is 1 to 3; p is O or l; x is O to 90 weight percent; and y is 10 to 100 weight percent of the polymer. The polymeric mordants covalently bond with dyes or dye precursors and are especially useful in diffusion transfer processes. -1-

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