Compositions – Electrically conductive or emissive compositions
Reexamination Certificate
2008-01-08
2008-01-08
Kopec, Mark (Department: 1751)
Compositions
Electrically conductive or emissive compositions
C399S302000, C430S048000, C428S473500
Reexamination Certificate
active
07316791
ABSTRACT:
The present invention relates to electrically conductive polyimide films having dispersed in them electrically conductive polymer particles having an average particle size from 0.5 to 5.0 microns. These films are suitable as image transfer belts in high-speed color copying machines and possess a surface smoothness, Ra factor (microns), between 0.5 and 1.5 and a gloss factor between 70 and 120.
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Gary Min, “Conducting Polymers and Their Applications in the Film Industry—Polyaniline/Polyimide Blended Films,” Synthetic Metals, 1999, pp. 1163-1166, vol. 2, Elsevier Science S.A.
Auman Brian C.
Meloni Paul Arthur
Wessling Bernhard
E.I. Du Pont de Nemours and Company
Kopec Mark
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