Photographic products and processes

Details Photographic products and processes Photographic products and processes

C - Chemistry, Metallurgy

08

F

400/1345, 400/20

C08F 291/00 (2006.01)

Patent

CA 1052026

Abstract of the Disclosure A graft copolymer represented by the formula Image wherein Z is an organic polymeric backbone selected from the group consisting of cellulosic and vinyl polymers; -C(R)2-CR- represents the residue of a graft- able vinyl group wherein each R is the same or different substituent which will not hinder grafting of the residue to the backbone; M is a moiety that can provide a mordant capability and X is a positive integer. These graft copolymers through their mordant capability find use in elements for photo- graphic diffusion colour processes as an alkaline solution permeable and dye- able layer within which the dye image is formed.

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