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:
Dec. 04, 2018
Filed:
Apr. 24, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Nozomu Komatsu, Toride, JP;
Takeshi Hashimoto, Moriya, JP;
Masayuki Hama, Toride, JP;
Takakuni Kobori, Toride, JP;
Ichiro Kanno, Kashiwa, JP;
Yuto Onozaki, Saitama, JP;
Hitoshi Sano, Tokyo, JP;
Akifumi Matsubara, Narashino, JP;
Hiroyuki Fujikawa, Yokohama, JP;
Tsubasa Fujisaki, Toride, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A toner comprising a toner particle containing a binder resin, a wax, and inorganic fine particles, wherein the binder resin contains a crystalline polyester resin and an amorphous polyester resin, and, in a cross section of the toner particle, when Sc represents an area taken up by the crystalline polyester resin and S1 represents an area taken up by the inorganic fine particles that are present in the crystalline polyester resin portion, Sc and S1 satisfy the relationship S1/Sc≥0.2.