Image receiving element for diffusion transfer photographic...

Details Image receiving element for diffusion transfer photographic... Image receiving element for diffusion transfer photographic...

G - Physics

03

C

96/26

G03C 8/26 (2006.01) G03C 8/52 (2006.01)

Patent

CA 1332795

An image-receiving element for use in photographic diffusion transfer film units of the "peel-apart" type is disclosed, comprising a support material; a polymeric acid- reacting layer; a water-permeable, water-absorbing polymeric layer for the gathering of processing moisture and image-degrading salt species; a thin, polymeric latex-deposited, water-impermeable and non-absorbing timing layer which is substantially impermeable to alkali for a predetermined period until the occurrence of a predetermined chemical reaction and conversion of said layer to a condition of permeability to alkali; and an alkali-permeable and dyeable image-receiving layer.

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