US Patent 7368221 Changing light absorption by disruption of conjugation
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Patent Inventor Names
Richard H. Selinfreund0
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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.
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US Patent 07368221 Changing light absorption by disruption of conjugation US Patent 7368221 Changing light absorption by disruption of conjugation
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Patent Number
073682210
Patent Number
73682210
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Patent Jurisdiction
Patent Number
073682210
Date of Patent
May 6, 2008
0Patent Application Number
112340380
Date Filed
September 23, 2005
0Official Website
Patent Primary Examiner
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US Patent 07368221 Changing light absorption by disruption of conjugation
Infobox
Is a
Patent jurisdiction
Patent number
07368221
Date of patent
May 6, 2008
Patent application number
11234038
Date Filed
September 23, 2005
Patent primary examiner
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