.beta.-Elimination polymers useful for providing diffusion contr

Details .beta.-Elimination polymers useful for providing diffusion contr .beta.-Elimination polymers useful for providing diffusion contr

1984-07-10

1986-12-23

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526263, 526286, 526288, 5262922, 52629295, 5263031, 526304, C08F 2802, C08F 2806, C08F 2238

Patent

active

046313273

ABSTRACT:
Polymers comprising recurring units having cyclic .beta.-elimination moieties capable of undergoing .beta.-elimination in an alkaline environment and are disclosed for use in diffusion control layers in diffusion transfer photographic products.

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patent: 4297431 (1981-10-01), Sullivan
patent: 4436874 (1984-03-01), Aspisi et al.
patent: 4455368 (1984-06-01), Kojima et al.
patent: 4458001 (1984-07-01), Taylor
patent: 4522996 (1985-06-01), Taylor
patent: 4546159 (1985-10-01), Taylor

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