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. 26, 2019
Filed:
Dec. 28, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Keiichiro Tsubaki, Numazu, JP;
Naoya Isono, Suntou-gun, JP;
Yasuaki Murai, Numazu, JP;
Masao Suzuki, Kawasaki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is a toner having a toner particle that contains a binder resin and a wax, wherein the solubility parameter Sof the binder resin is at least 9.4 and not more than 10.0; the binder resin contains a resin having a structure represented by the following formula (1) in the terminal position on a main chain of the resin,*—CO—R  formula (1)(in formula (1), R represents a phenyl group or a derivative thereof, or —COOR, Rrepresents an alkyl group having 1 to 4 carbons, and * represents a bond to the main chain of the resin); the solubility parameter Sof the wax is at least 8.1 and not more than 9.0; and Sand Ssatisfy formula (2),||>0.5  formula (2).