Protective overcoats for photographic elements containing a...

Details Protective overcoats for photographic elements containing a... Protective overcoats for photographic elements containing a...

G - Physics

03

C

96/188

G03C 1/76 (2006.01)

Patent

CA 1182677

-0- PROTECTIVE OVERCOATS FOR PHOTOGRAPHIC ELEMENTS Abstract of the Disclosure Protective layers for photographic elements comprise a compatible blend of: (a) cellulose nitrate and (b) a hydrophobic polymer wherein the blend has a sufficient mount of the hydrophobic polymer so as to have a glass transition temperature of at least about 50°C and a sufficient amount of cellulose nitrate so as to be resistant to chlorinated hydrocarbon solvents and photographic processing compositions. The overcoat is particu- larly useful with motion-picture elements containing silver halide which are subjected to chlorinated hydrocarbon n solvents during a cleaning process or during wet gate printing.

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