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:
Sep. 15, 2026
Filed:
Dec. 17, 2024
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Kazunari Ohira, Shizuoka, JP;
Yuu Sasano, Shizuoka, JP;
Kenta Katayama, Shizuoka, JP;
Kenta Kamikura, Kanagawa, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/10 (2006.01); F16L 25/00 (2006.01);
U.S. Cl.
CPC ...
C09K 3/1009 (2013.01); C09K 2003/1084 (2013.01); F16L 25/0081 (2013.01);
Abstract
A sealing member includes a substrate, and a coating layer on the surface of the substrate. The substrate includes a polytetrafluoroethylene matrix having a porous structure with pores that contain alumina particles, and the coating layer is made of a condensate of an organosilicon compound.