The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 2013
Filed:
Mar. 30, 2011
Kenta Kamikura, Mishima, JP;
Shinya Yachi, Mishima, JP;
Kazumi Yoshizaki, Suntou-gun, JP;
Yasushi Katsuta, Susono, JP;
Takeshi Kaburagi, Suntou-gun, JP;
Kenta Kamikura, Mishima, JP;
Shinya Yachi, Mishima, JP;
Kazumi Yoshizaki, Suntou-gun, JP;
Yasushi Katsuta, Susono, JP;
Takeshi Kaburagi, Suntou-gun, JP;
Canon Kabushiki Kasiha, Tokyo, JP;
Abstract
A toner includes a toner particle, which contains at least a binding resin, a colorant, and two types of polar resins, i.e., a polar resin H and a polar resin L, and which is obtained with granulation in a water-based medium, wherein solubility parameters, glass transition points, and weight-average molecular weights of the binding resin, the polar resin H, and the polar resin L, as well as amounts of the added resins satisfy respective specific relationships.