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:
Feb. 27, 2024
Filed:
May. 21, 2021
Applicant:
Kyocera Document Solutions Inc., Osaka, JP;
Inventor:
Masami Tsujihiro, Osaka, JP;
Assignee:
KYOCERA Document Solutions Inc., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); C08G 63/16 (2006.01); C08G 63/195 (2006.01); G03G 9/083 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08755 (2013.01); C08G 63/16 (2013.01); C08G 63/195 (2013.01); G03G 9/083 (2013.01); G03G 9/0874 (2013.01);
Abstract
A magnetic toner includes toner particles. The toner particles each include a toner mother particle. The toner mother particle includes a polyester resin domain, a vinyl resin domain, and a magnetic powder. A vinyl resin constituting the vinyl resin domain includes a repeating unit having a non-ring-opened oxazoline group. An area rate of an area in which the vinyl resin domain is exposed in a surface area of the toner mother particle is at least 0.02% and no greater than 1.00%.