Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroyuki Takei0
Hirotaka Uosaki0
Yuji Emura0
Tomoya Terauchi0
Hironobu Hashimoto0
Hiroshi Matsuoka0
Date of Patent
September 12, 2006
Patent Application Number
10448121
Date Filed
May 30, 2003
Patent Primary Examiner
Patent abstract
A binder resin for a toner comprises a polyester component having a specific structure which is not soluble in tetrahydrofuran, and a polyester component having a specific branched structure which is soluble in tetrahydrofuran. The binder resin can provide a toner, which is superior in low-temperature fixation and offset resistance and can be used in high speed printing in response to the recent market demands owing to its specific structure.
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