Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nazir Khan0
Christopher Anthony Wyres0
Date of Patent
August 16, 2011
Patent Application Number
11666919
Date Filed
November 11, 2005
Patent Primary Examiner
Patent abstract
A colorless or transparent composition comprises a charge-delocalization compound and a photoacid, wherein the photoacid generates an acid on irradiation or heating, thereby forming a colored change-transfer complex with said compound.
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