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. 12, 2019
Filed:
Mar. 20, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Yuto Onozaki, Saitama, JP;
Masayuki Hama, Toride, JP;
Takeshi Hashimoto, Moriya, JP;
Ichiro Kanno, Kashiwa, JP;
Hitoshi Sano, Tokyo, JP;
Akifumi Matsubara, Narashino, JP;
Nozomu Komatsu, Toride, JP;
Takakuni Kobori, Toride, JP;
Hiroyuki Fujikawa, Yokohama, JP;
Tsubasa Fujisaki, Toride, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
By controlling the migration to the toner particle surface of the crystalline polyester present in the toner particle, a toner is provided that exhibits an excellent durability in long-term use, a stable charging performance after holding in a high-temperature, high-humidity environment, and an excellent low-temperature fixability, in which the toner having a toner particle that contains an amorphous resin, a crystalline polyester, and a wax, wherein the toner particle includes, at the surface thereof, a coat layer containing a cyclic polyolefin resin.