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:
Jun. 02, 2026
Filed:
Oct. 22, 2021
Applicant:
Resonac Corporation, Tokyo, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/00 (2006.01); B01J 20/26 (2006.01); B01J 20/28 (2006.01); B01J 20/285 (2006.01); B01J 20/30 (2006.01);
U.S. Cl.
CPC ...
B01J 20/285 (2013.01); B01J 20/262 (2013.01); B01J 20/28016 (2013.01); B01J 20/30 (2013.01); B01J 2220/58 (2013.01);
Abstract
Adsorbent particles including: porous carrier particles containing an organic polymer; polyethylenimine attached to a surface of the porous carrier particles; and a diglycolic acid residue bonded to an amino group of the polyethylenimine. A most frequent pore size of the porous carrier particles exceeds 10 nm.