Stripping layer consisting of a mixture of cellulose acetate hyd

Details Stripping layer consisting of a mixture of cellulose acetate hyd Stripping layer consisting of a mixture of cellulose acetate hyd

1982-05-24

1983-08-30

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...

430236, 430262, G03C 140, G03C 190

Patent

active

044017464

ABSTRACT:
This invention relates to diffusion transfer photographic processes and to products useful therein which employ a stripping layer consisting of a mixture of cellulose acetate hydrogen phthalate and a straight chain saturated polyester of adipic acid to facilitate separation of a dyeable stratum from a contiguous gelatin layer, e.g., a gelatino silver halide emulsion layer or a gelatin layer containing an image dye-providing material.

REFERENCES:
patent: 2759825 (1956-08-01), Land
patent: 2983606 (1961-05-01), Rogers
patent: 3227550 (1966-01-01), Whitmore et al.
patent: 3658524 (1972-04-01), Piesach
patent: 4009031 (1977-02-01), Carlson et al.
patent: 4359518 (1982-11-01), Hanselman et al.

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