Radiation imagery chemistry: process – composition – or product th – Erasable imaging
Reexamination Certificate
2007-06-13
2009-06-02
Walke, Amanda C. (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Erasable imaging
C430S270100, C430S905000
Reexamination Certificate
active
07541119
ABSTRACT:
An image forming medium includes a substrate and an imaging layer coated on or impregnated into said substrate, where the imaging layer includes a photochromic material dispersed in an ionomer, optionally with an additional polymeric binder, and where the photochromic material exhibits a reversible transition between a colorless state and a colored state in response to heat and optional light.
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Iftime Gabriel
Kazmaier Peter M.
Norsten Tyler B.
Oliff & Berridge Plc
Walke Amanda C.
Xerox Corporation
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