.beta.-Eliminating polymers for diffusion control in photographi

Details .beta.-Eliminating polymers for diffusion control in photographi .beta.-Eliminating polymers for diffusion control in photographi

1982-12-29

1984-07-03

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...

430227, 430505, 430536, G03C 554, G03C 140, G03C 720

Patent

active

044580010

ABSTRACT:
Polymerizable monomeric carbamates are disclosed. Polymers comprising recurring units from such carbamates undergo .beta.-elimination in an alkaline environment and are useful in diffusion control layers in diffusion transfer photographic products.

REFERENCES:
patent: 3852073 (1974-12-01), Fitzgerald
patent: 4288523 (1981-09-01), Taylor
patent: 4297431 (1981-10-01), Sullivan
patent: 4323644 (1982-04-01), Nakamura et al.
patent: 4391895 (1983-07-01), Schwarzel et al.

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