US Patent 7947419 Toner, developer, and image forming method
Patent 7947419 was granted and assigned to RICOH COMPANY,LTD. on May, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A toner including a binder resin including a polyester resin, a colorant, and a release agent including a polyglycerin ester having a melt viscosity of from 1.0 to 40 mPa·sec at 120° C. and a hydroxyl value of from 0 to 100 mgKOH/g is provided. The polyglycerin ester is an ester of a polyglycerin having an average polymerization degree of from 2 to 10 and an aliphatic acid having 16 to 24 carbon atoms in average.
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Patent Inventor Names
Hiroshi Yamashita0
Naohiro Watanabe0
Shinichi Wakamatsu0
Tsuyoshi Sugimoto0
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US Patent 07947419 Toner, developer, and image forming method US Patent 7947419 Toner, developer, and image forming method
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Patent Number
079474190
Patent Number
79474190
Edits on 26 Apr, 2023
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
079474190
Date of Patent
May 24, 2011
0Patent Application Number
122483130
Date Filed
October 9, 2008
0Patent Primary Examiner
Edits on 7 Dec, 2021
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US Patent 07947419 Toner, developer, and image forming method
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07947419
Date of patent
May 24, 2011
Patent application number
12248313
Date Filed
October 9, 2008
Patent primary examiner
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