Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gabriel Iftime0
Tyler B. Norsten0
Peter M. Kazmaier0
Date of Patent
May 18, 2010
0Patent Application Number
117623070
Date Filed
June 13, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An image forming medium includes a substrate and an imaging layer coated on or impregnated into said substrate, where the imaging layer includes as a photochromic material a spiropyran compound having a conjugated pathway, dispersed in a polymeric binder, wherein the photochromic material exhibits a reversible transition between a colorless state and a colored state in response to heat and light.
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