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:
Jul. 11, 2023
Filed:
Apr. 06, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Toru Takahashi, Ibaraki, JP;
Nobuyoshi Sugahara, Tokyo, JP;
Hitoshi Sano, Chiba, JP;
Kazunari Ooyama, Ibaraki, JP;
Yuu Nishimura, Chiba, JP;
Kohji Takenaka, Ibaraki, JP;
Koh Ishigami, Chiba, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A toner including a toner particle comprising a binder resin and a crystalline polyester, wherein the binder resin contains a polyester having a structure represented by the following formula (1): in formula (1), Rs each independently represent hydrogen, a methyl group, or a phenyl group;A represents a polyester segment;B represents a polyester segment or any functional group selected from the group consisting of —ROH, —RCOOH, and —RNHwherein Rrepresents a single bond or a Calkylene group; andthe average repeat number n is 10 to 80.