US Patent 7094513 Charge control agent and toner for electrostatic image development

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

70945130

Patent Inventor Names

Osamu Yamate0

Kaori Sato0

Kazuyoshi Kuroda0

Masashi Yasumatsu0

Heihachi Yushina0

Jun Hikata0

Date of Patent

August 22, 2006

Patent Application Number

107186370

Date Filed

November 24, 2003

Patent Primary Examiner

‌

John L. Goodrow

Patent abstract

A charge control agent of the present invention comprises aggregate particles of an azo-type iron complex salt represented by the following chemical formula [I]

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