Polymeric hydroxamic acid polyvalent metal salt interlayer for p

Details Polymeric hydroxamic acid polyvalent metal salt interlayer for p Polymeric hydroxamic acid polyvalent metal salt interlayer for p

1980-12-17

1982-10-05

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430215, 430502, G03C 554, G03C 142

Patent

active

043528716

ABSTRACT:
Photosensitive elements for color diffusion transfer film units comprising a support layer, at least two selectively-sensitized silver halide layers having image-dye forming materials associated therewith, and a novel interlayer, separating the silver halide layers, comprising a polymeric hydroxamic acid polyvalent metal salt which serves as a barrier to the migration of solubilized image-dye forming material until it is rendered permeable to the image-dye forming material subsequent to contact with a sequestering agent for the polyvalent metal of the salt barrier.

REFERENCES:
patent: 3384483 (1968-05-01), Becker
patent: 3421892 (1969-01-01), Taylor
patent: 3477849 (1969-11-01), Becker

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