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.

Date of Patent:
Jul. 22, 2025

Filed:

Feb. 25, 2020
Applicant:

Resonac Corporation, Tokyo, JP;

Inventors:

Masahiro Aoshima, Tokyo, JP;

Yohei Ishikawa, Tokyo, JP;

Masaru Watanabe, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/26 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01J 20/34 (2006.01); C02F 1/28 (2023.01); C02F 101/10 (2006.01); C02F 101/20 (2006.01);
U.S. Cl.
CPC ...
B01J 20/265 (2013.01); B01J 20/26 (2013.01); B01J 20/28016 (2013.01); B01J 20/30 (2013.01); B01J 20/3085 (2013.01); B01J 20/34 (2013.01); B01J 20/3475 (2013.01); C02F 1/285 (2013.01); B01J 2220/445 (2013.01); B01J 2220/58 (2013.01); C02F 2101/10 (2013.01); C02F 2101/20 (2013.01); C02F 2303/16 (2013.01); Y02P 10/20 (2015.11);
Abstract

Disclosed are adsorbent particles each containing: a carrier particle containing an organic polymer; an amino group-containing polymer adhered to a surface of the carrier particle and including a constituent unit having an amino group; and a diglycolic acid residue bonded to the amino group of the amino group-containing polymer.


Find Patent Forward Citations

Loading…