US Patent 7678520 Method for producing electrophotographic toner and electrophotographic toner
Patent 7678520 was granted and assigned to Konica Minolta Holdings on March, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A method for producing an electrophotographic toner comprising the steps of: (1) mixing a water-insoluble organic solvent, an oil-soluble dye capable of chelating with a metal, a metal compound and water to form an oil-soluble dye dispersion, (2) removing the organic solvent from the oil-soluble dye dispersion to form colored microscopic particles, and (3) adding an emulsion thermoplastic resin to the colored microscopic particles so as to associate the particles with slow coagulation.
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Patent Inventor Names
Kaori Ono0
Koji Daifuku0
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Official Website
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US Patent 07678520 Method for producing electrophotographic toner and electrophotographic toner US Patent 7678520 Method for producing electrophotographic toner and electrophotographic toner
Infobox
Patent Number
076785200
Patent Number
76785200
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076785200
Date of Patent
March 16, 2010
0Patent Application Number
115801060
Date Filed
October 12, 2006
0Official Website
Patent Primary Examiner
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US Patent 07678520 Method for producing electrophotographic toner and electrophotographic toner
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07678520
Date of patent
March 16, 2010
Patent application number
11580106
Date Filed
October 12, 2006
Patent primary examiner
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