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. 04, 2025
Filed:
Jun. 01, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Tomoya Nagaoka, Tokyo, JP;
Takayuki Toyoda, Shizuoka, JP;
Naoya Isono, Shizuoka, JP;
Hirofumi Kyuushima, Tokyo, JP;
Masao Suzuki, Kanagawa, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/097 (2006.01); G03G 9/08 (2006.01); G03G 9/087 (2006.01); G03G 9/093 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09708 (2013.01); G03G 9/0819 (2013.01); G03G 9/0827 (2013.01); G03G 9/08711 (2013.01); G03G 9/08755 (2013.01); G03G 9/09328 (2013.01); G03G 9/09364 (2013.01); G03G 9/09733 (2013.01);
Abstract
A toner comprising a toner particle comprising a binder resin, and an external additive, wherein the toner particle further comprises a monohydric aliphatic alcohol, the monohydric aliphatic alcohol has 8 to 18 carbon atoms, a content ratio of the monohydric aliphatic alcohol extracted from the toner with ethanol is 30 to 300 ppm by mass in the toner, and the external additive comprises at least one selected from the group consisting of hydrotalcite particles and alumina particles.