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. 21, 2020
Filed:
Dec. 15, 2017
Applicant:
Uti Limited Partnership, Calgary, CA;
Inventors:
Josephine M. Hill, Calgary, CA;
Sebastian Sessarego, Calgary, CA;
Assignee:
UTI Limited Partnership, Calgary, Alberta, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08B 37/00 (2006.01); C08B 37/08 (2006.01); B01J 39/18 (2017.01); B01J 20/24 (2006.01); C02F 1/28 (2006.01); B01D 15/36 (2006.01); C02F 1/42 (2006.01); C02F 103/16 (2006.01); C02F 101/22 (2006.01); C02F 103/24 (2006.01); C02F 103/30 (2006.01);
U.S. Cl.
CPC ...
C08B 37/003 (2013.01); B01D 15/361 (2013.01); B01J 20/24 (2013.01); B01J 39/18 (2013.01); C02F 1/288 (2013.01); C02F 1/42 (2013.01); C02F 2101/22 (2013.01); C02F 2103/16 (2013.01); C02F 2103/24 (2013.01); C02F 2103/30 (2013.01); C02F 2303/16 (2013.01);
Abstract
The present invention provides phosphonium-crosslinked chitosan (PCC) and methods for using the same for removal of heavy metal-ion(s) from a solution as well as methods for producing said phosphonium-crosslinked chitosan.