Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Leo M. Garcia0
Date of Patent
September 25, 2007
0Patent Application Number
107402370
Date Filed
December 18, 2003
0Patent Primary Examiner
Patent abstract
The invention is directed to a photochromic material that filters, from solar radiation, near infrared radiation and sufficient portions of ultraviolet radiation while transmitting actinic radiation in the wavelength range of about 341±5 nm. The light-transmitting photochromic material provides light and heat stability to achieve a longer useful life. This photochromic material is preferably incorporated in a multilayered structure with constituents provided on or contained within one or more layers to enhance the resistance to light fatigue.
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