Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuhiro Hidaka0
Hisakazu Tajima0
Date of Patent
February 27, 2007
0Patent Application Number
108498530
Date Filed
May 21, 2004
0Patent Primary Examiner
Patent abstract
A toner for electrostatic image development, containing a resin binder containing a polyester, a colorant, and a releasing agent containing an ester wax and a petroleum wax; and a process for preparing a toner for electrostatic image development, including the step of melt-kneading raw materials for the above toner, wherein the melt-kneading step is carried out with an open-roller type kneader. The toner for electrostatic image development is used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
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