Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takanori Tanaka0
Masahiro Anno0
Mikihiko Sukeno0
Date of Patent
February 10, 2009
Patent Application Number
11327735
Date Filed
January 6, 2006
Patent Primary Examiner
Patent abstract
Disclosed is an electrostatic charge image developing toner containing external additives comprising at least amorphous silica and a crystallized metal oxide selected from titanium oxide, aluminum oxide, zirconium oxide, or calcium oxide, wherein the amorphous silica is present on the crystallized metal.
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