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:
Jun. 20, 2023
National University Corporation Kobe University, Kobe, JP;
Able Corporation, Tokyo, JP;
Kazuhisa Uchida, Kobe, JP;
Shutaro Ishikawa, Tokyo, JP;
Satoshi Tomita, Tokyo, JP;
Kensaku Kanada, Kobe, JP;
ABLE CORPORATION, Tokyo, JP;
NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, Hyogo, JP;
Abstract
A virus inactivation method is provided. The method includes irradiating a solution containing an artificially expressed antibody or antibody fragment with ultraviolet rays in the presence of a radical scavenger. The irradiating only aggregates 5% or less of the antibody or antibody fragment. A wavelength of the ultraviolet rays is 200 nm or longer and 315 nm or shorter. An irradiation amount of the ultraviolet rays is 300 mJ/cmor more. An irradiation time of the ultraviolet rays is 3 minutes or less. A concentration of the radical scavenger in the solution is 0.03 mM or more.