Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 26, 2008
Patent Application Number
10628307
Date Filed
July 29, 2003
Patent Primary Examiner
Patent abstract
A photochromic plastic object made of a transparent synthetic resin material composed of at least two mutually penetrating polymer networks of different polymer materials and containing at least one photochromic dye homogeneously distributed therein, and a method for producing such a photochromic object.
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