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:
Apr. 08, 2025
Filed:
Oct. 09, 2024
Applicant:
King Saud University, Riyadh, SA;
Inventors:
Javed Alam, Riyadh, SA;
Mansour Salah Alhoshan, Riyadh, SA;
Fekri Abdulraqeb Ahmed Ali, Riyadh, SA;
Arun Kumar Shukla, Riyadh, SA;
Assignee:
KING SAUD UNIVERSITY, Riyadh, SA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 (2023.01); B01J 20/02 (2006.01); B01J 20/24 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); C02F 101/30 (2006.01); C08J 3/075 (2006.01); C08J 3/24 (2006.01);
U.S. Cl.
CPC ...
C02F 1/286 (2013.01); B01J 20/0244 (2013.01); B01J 20/24 (2013.01); B01J 20/28007 (2013.01); B01J 20/28019 (2013.01); B01J 20/28047 (2013.01); B01J 20/30 (2013.01); C08J 3/075 (2013.01); C08J 3/24 (2013.01); C02F 2101/308 (2013.01); C08J 2305/00 (2013.01);
Abstract
Hydrogel nanobeads include an ionically crosslinked sulfated polysaccharide biopolymer such as a carrageenan. In an embodiment, the hydrogel nanobeads comprise kappa carrageenan (κCg) and a metal ion crosslinking agent. In an embodiment, the metal ion crosslinking agent includes a metal ion selected from the group consisting of Zn, Fe, Fe, and Ti. The hydrogel nanobeads can be used for removal of pollutants in wastewater.