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:
Oct. 13, 2026
Filed:
Jul. 11, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A toner comprising a toner particle comprising: a toner base particle; and an organosilicon polymer at a surface of the toner base particle, wherein protruded portions constituted from the organosilicon polymer are present at the surface of the toner base particle, when a specific reciprocating shaking test is carried out, the toner particle is measured in terms of a total area S of a surface of the toner particle and an area Sc of regions of the surface of the toner base particle coated with the organosilicon polymer at the surface of the toner particle before and after the test, values of Sc/S for the toner particle before and after the test are respectively defined as Rand R, the value of Ris 0.30 to 0.70, a value of (R−R)/Ris 0.20 or less, and a storage elastic modulus at 100° C. of the toner is 8000 to 50,000 Pa.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile