Image-receiving element for diffusion transfer photographic prod

Details Image-receiving element for diffusion transfer photographic prod Image-receiving element for diffusion transfer photographic prod

1988-05-02

1989-10-10

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430215, G03C 554

Patent

active

048731714

ABSTRACT:
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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