Image-receiving element including noble metal...

Details Image-receiving element including noble metal... Image-receiving element including noble metal...

G - Physics

03

C

96/27

G03C 1/48 (1980.01)

Patent

CA 1141223

ABSTRACT OF THE INVENTION A receiving element for use in a photographic diffusion transfer process which comprises a transparent support carrying a layer comprising noble metal silver- precipitating nuclei in a polymeric binder composition of hydroxyethyl cellulose and gelatin or polyvinyl alcohol and gelatin; wherein the nuclei are present in a level of from about 0.1-0.4 mgs/ft2 (1.1-4.3 mgs/m2). In the embodiment employing hydroxyethyl cellulose in the polymeric binder, the hydroxyethyl cellulose is present at a level of about 0.1 to 7 mgs/ft2 (1.1 to 75.3 mgs/m2); and in the embodiment employing polyvinyl alcohol in the polymeric binder, the polyvinyl alcohol is present at a level of about 0.1 to 5 mgs/ft2 (1.1 to 53.8 mgs/m2). In either of the embodiments, the gelatin is present at a level of from about 0.05 to 1.5 mgs/ft2 (0.54 to 16.1 mgs/m2). Preferably the noble metal is palladium. The receiving element is particularly useful in an additive color diffusion transfer process.

324894

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