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. 18, 2020
Filed:
Jun. 04, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yuto Onozaki, Saitama, JP;
Takeshi Hashimoto, Moriya, JP;
Ichiro Kanno, Kashiwa, JP;
Masayuki Hama, Toride, JP;
Nozomu Komatsu, Toride, JP;
Hiroyuki Fujikawa, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/097 (2006.01); G03G 9/087 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09733 (2013.01); G03G 9/0819 (2013.01); G03G 9/08755 (2013.01); G03G 9/08795 (2013.01); G03G 9/09791 (2013.01);
Abstract
Provided is a toner having a toner particle, wherein the toner particle contains a polyester resin and a fatty acid metal salt, the toner contains a tetrahydrofuran-soluble component A with a molecular weight of at least 1,000 and not more than 5,000, as measured by gel permeation chromatography, in an amount of at least 25 mass % and not more than 80 mass %, and a mass ratio of the fatty acid metal salt to the tetrahydrofuran-soluble component A is at least 0.003 and not more than 0.060.