US Patent 7749669 Electrophotographic toner and image forming method

Patent 7749669 was granted and assigned to Konica Minolta Holdings on July, 2010 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Konica Minolta Holdings

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7749669

Date of Patent

July 6, 2010

Patent Application Number

11429356

Date Filed

May 5, 2006

Patent Primary Examiner

‌

Hoa V Le

Patent abstract

An electrophotographic toner which achieves superior coloring without exhibiting any difficulty in dispersibility in thermoplastic resin while exhibiting improved characteristics, is disclosed, comprising a thermoplastic resin and a metal chelate dye contained in the thermoplastic resin and represented by the following formula:M(L1)(L2)n(X1)m(X2)1.W1 Image forming method by use of the toner is also disclosed.