Thermographic elements

B - Operations – Transporting – 41 – M

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B41M 5/40 (2006.01) B41M 5/41 (2006.01) B41M 5/44 (2006.01) B41M 5/52 (2006.01)

Patent

CA 2093003

2093003 9207721 PCTABS00013 Thermographic elements comprising at least two layers, wherein: at least one of the layers comprises polymer, the polymer consisting essentially of, repeating, interpolymerized units derived from 9,9-bis-(4-hydroxyphenyl)-fluorene and isophthalic acid, terephthalic acid or blends thereof, the polymer being sufficiently low in oligomer content to allow formation of uniform film; and at least one of the layers is an imaging layer, selected from the group consisting of dye-donor layers, image-receiving layers or heat-activatable imaging layers, and a method of thermal imaging using receptor films comprising the polymer described above.

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