Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 30, 2007
Patent Application Number
10511097
Date Filed
April 18, 2003
Patent Primary Examiner
Patent abstract
The present invention provides a safe charge control agent which exhibits an excellent negative chargeability and excellent dispersibility in and compatibility with binder resins, and is even applicable for col or toners. Specifically, the charge control agent consists of a naphthol derivative of formula [I]:
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