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. 30, 2025
Filed:
Aug. 23, 2019
Jsr Corporation, Minato-ku, JP;
Jsr Life Sciences, Llc, Sunnyvale, CA (US);
Jsr Micro N.v., Leuven, BE;
Tomoaki Haga, Minato-ku, JP;
Takashi Ichii, Minato-ku, JP;
Shunsuke Onogi, Minato-ku, JP;
Satoshi Nakamura, Minato-ku, JP;
Toshinari Honda, Minato-ku, JP;
Tomoyuki Kamide, Minato-ku, JP;
JSR CORPORATION, Minato-ku, JP;
JSR Life Sciences, LLC, Sunnyvale, CA (US);
JSR MICRO N.V., Leuven, BE;
Abstract
An affinity carrier may have improved alkali resistance. An immunoglobulin-binding protein containing a mutant polypeptide chain, as well as an affinity carrier containing a solid-phase carrier to which the immunoglobulin-binding protein is bound, may be a mutant polypeptide chain having an amino acid sequence having at least 85% identity to an amino acid sequence indicated by any of SEQ ID NO: 1-6 and 57-62, having a predetermined mutation, and having immunoglobulin-binding activity.