US Patent 7534540 Azine-based charge transport materials having two reactive rings

Patent 7534540 was granted and assigned to Samsung on May, 2009 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Samsung

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7534540

Date of Patent

May 19, 2009

Patent Application Number

10834656

Date Filed

April 29, 2004

Patent Primary Examiner

‌

Mark A Chapman

Patent abstract

An improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:(a) a charge transport material having the formula

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