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:
Jan. 27, 2026
Filed:
Aug. 06, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Medical Systems Corporation, Tochigi, JP;
Masao Suzuki, Kawasaki, JP;
Kazumichi Nakahama, Tokyo, JP;
Sakae Suda, Yokohama, JP;
Keiichiro Tsubaki, Tokyo, JP;
Kengo Kanazaki, Yokohama, JP;
Ryo Natori, Tokyo, JP;
Fumio Yamauchi, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Medical Systems Corporation, Tochigi, JP;
Abstract
The present invention provides a particle that shows a small non-specific adsorption, has a reactive functional group for chemically bonding a ligand thereto, and is suitable for an agglutination method. The particle includes a polymer having a unit having a side chain A and a unit having a side chain B, wherein the side chain A has a carboxyl group at a terminal thereof, and has an ester bond and an amide bond in a molecular structure thereof; the side chain B has an alkyl group at a terminal thereof; and a zeta potential at the time when the particles are dispersed in water is minus 40 mV or higher and minus 5 mV or lower.