Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard H. Selinfreund0
Date of Patent
May 6, 2008
0Patent Application Number
112340380
Date Filed
September 23, 2005
0Patent Primary Examiner
Patent abstract
Copy-protected optical medium utilizing a composition comprising a transient optical state change security materials constrained to change the optical state light absorption at a wavelength of about 400 nm and an electron transfer agent.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
