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:
Oct. 29, 2024
Filed:
Mar. 18, 2021
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Naoya Isono, Shizuoka, JP;
Kenichi Nakayama, Shizuoka, JP;
Hirofumi Kyuushima, Shizuoka, JP;
Mai Kato, Tokyo, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/093 (2006.01); C08F 212/08 (2006.01); C08G 63/183 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09371 (2013.01); C08F 212/08 (2013.01); C08G 63/183 (2013.01); G03G 9/09321 (2013.01);
Abstract
The toner includes a toner particle that comprising a core particle containing a resin component and a shell on a surface of the core particle, wherein the resin component comprises more than 50.0 mass % of a polyester resin comprising a monomer unit that contains a heterocyclic group, and the shell comprises at least one resin selected from the group consisting of prescribed (meth)acrylic resins and melamine resins.