Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wilfried Hedderich0
Christophe Lefaux0
Keith D. Weiss0
Date of Patent
August 11, 2009
0Patent Application Number
114455070
Date Filed
June 2, 2006
0Patent Primary Examiner
Patent abstract
A window assembly having photochromatic properties is described. The window assembly includes a substrate being adjacent to a coating. A photochromatic film is located between the substrate and the coating, whereby the photochromatic film darkens when the window assembly is exposed to ultraviolet light.
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