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:
Nov. 10, 2015
Filed:
Jul. 23, 2014
Kyocera Document Solutions Inc., Osaka, JP;
Yoshio Ozawa, Osaka, JP;
Toshiki Takemori, Osaka, JP;
Masanori Sugahara, Osaka, JP;
Hiroaki Moriyama, Osaka, JP;
Masashi Tamagaki, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
A magnetic toner for developing an electrostatic latent image of the present disclosure includes toner particles each having a toner core containing a binder resin and a magnetic powder, and a shell layer coating a surface of the toner core. The shell layer contains a unit derived from a monomer of a thermosetting resin and a unit derived from a thermoplastic resin. The thermosetting resin is one or more resins selected from the group of amino resins consisting of a melamine resin, a urea resin, and a glyoxal resin. The amount of iron eluted from the toner core (iron concentration in a filtrate) measured by a specified method is 10 mg/L or less.