Backside protective overcoat compositions for silver halide phot

Details Backside protective overcoat compositions for silver halide phot Backside protective overcoat compositions for silver halide phot

1998-02-05

1999-12-07

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430527, 430536, 430961, G03C 189, G03C 193, G03C 176

Patent

active

059981180

ABSTRACT:
The present invention is a photographic element which includes a support having a frontside and a backside, at least one silver halide emulsion layer superposed on the frontside of the support; and a protective overcoat layer superposed on the backside of the support. The protective overcoat layer is a mixture of a first vinyl polymer having an acid number of from 5 to 100 and a second vinyl polymer having an acid number of from 70 to 250 wherein the acid number of the second polymer is greater than the acid number of the first polymer.

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patent: 5597681 (1997-01-01), Anderson et al.
patent: 5695919 (1997-12-01), Wang et al.
patent: 5786135 (1998-07-01), Anderson et al.

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