Construction for transparency film for plain paper copiers

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...

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428412, 428413, 428448, 428451, 428458, 428461, 428469, 428483, 428522, 428523, 428463, 428913, 430126, B32B 302, B05D 512, G03G 700

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044800037

ABSTRACT:
Transparency film for use in a plain paper electrostatic copier. The transparency film comprises (a) a flexible, transparent, heat resistant, polymeric film base, (b) an image receiving layer carried upon a first major surface of the film base, and (c) a layer of electrically conductive material carried on a second major surface of the film base. Where necessary a primer coat is interposed between the image receiving layer and the film base and/or between the layer of electrically conductive material and the film base. A protective coating is preferably applied over the layer of conductive material. This film can be used in either powder-toned or liquid-toned plain paper copiers for making transparencies.

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patent: 4306996 (1981-12-01), Windhager

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