Stripping layer consisting of a mixture of cellulose acetate hydrogen phthalate and straight chain saturated polyester of adipic acid

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...

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Bibliographische Detailangaben
Hauptverfasser: PFINGSTON, WILLIAM J
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung: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.