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. 19, 2022

Filed:

Jul. 28, 2020
Applicant:

Board of Trustees of the University of Arkansas, Little Rock, AR (US);

Inventor:

Tito Viswanathan, Little Rock, AR (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/02 (2006.01); B01J 41/09 (2017.01); C02F 1/28 (2006.01); C02F 1/42 (2006.01); C02F 101/10 (2006.01); C02F 101/20 (2006.01); C02F 101/14 (2006.01); C02F 103/00 (2006.01); C02F 103/10 (2006.01);
U.S. Cl.
CPC ...
C02F 1/42 (2013.01); B01J 20/0203 (2013.01); B01J 41/09 (2017.01); C02F 1/281 (2013.01); C02F 1/288 (2013.01); C02F 2001/422 (2013.01); C02F 2101/103 (2013.01); C02F 2101/105 (2013.01); C02F 2101/106 (2013.01); C02F 2101/14 (2013.01); C02F 2101/20 (2013.01); C02F 2103/001 (2013.01); C02F 2103/10 (2013.01); C02F 2305/08 (2013.01);
Abstract

The present disclosure relates to water purification compositions and the method of producing the same. Specifically, the present disclosure relates to a method of producing a water purification composition including providing a substrate having one or more functional groups that has hydroxyl, thiol, carboxyl, and/or amino group; depositing a solution of a metal salt on the substrate; depositing a solution of carboxylic acid compound on the substrate; forming a mixture wherein the metal cross-links the hydroxyl, thiol, carboxyl and/or amino groups on the surface of the substrate, and the carboxylic acid compound; and heating the mixture till the product is dry.


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