Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 18, 2007
Patent Application Number
10365186
Date Filed
February 10, 2003
Patent Primary Examiner
Patent abstract
Systems and methods of labeling optical disk recording media using black leuco dyes in an electromagnetic radiation sensitive composition are described. Black leuco dyes containing isobenzofuranone are prepared in various compositions that can include activators, radiation absorbers, non-leuco colorants, and/or a variety of carriers. The leuco dye compositions can be applied and prepared to achieve a desired visual effect upon development of the black leuco dye.
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