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:
Jun. 27, 2017
Filed:
Apr. 05, 2016
Kyocera Document Solutions Inc., Osaka, JP;
Akinori Koyama, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
A magnetic toner includes toner particles. The toner particles contain a binder resin and a magnetic powder. The binder resin includes a crystalline polyester resin. The magnetic powder has a coating of a melamine resin. Preferably, the crystalline polyester resin has a solubility parameter (SP) of no less than 9.5, and the solubility parameter (SP) of the crystalline polyester resin and a solubility parameter (SP) of the melamine resin satisfy formula (1) shown below.SP−SP>1.0  (1)
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