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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.:

US 11760827 B1

PDFFull Text
Date of Patent:
Sep. 19, 2023

Filed:

Dec. 08, 2022

Melamine-based crosslinked polymer mannich product

Applicant:

King Fahd University of Petroleum and Minerals, Dhahran, SA;

Inventors:

Othman Charles Sadeq Al Hamouz, Dhahran, SA;

Mohammed Estatie, Dhahran, SA;

Tawfik Abdo Saleh Awadh, Dhahran, SA;

Mohamed A. Morsy, Dhahran, SA;

Assignee:

KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran, SA;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Jonathan M Peo

Int. Cl.
CPC ...
C08G 14/06 (2006.01); C02F 1/28 (2023.01); B01J 39/19 (2017.01); B01J 20/26 (2006.01); C08G 12/26 (2006.01); B01J 20/34 (2006.01); B01J 20/28 (2006.01); C02F 101/22 (2006.01); C02F 1/00 (2023.01); C02F 101/20 (2006.01);
U.S. Cl.
CPC ...
C08G 14/06 (2013.01); B01J 20/264 (2013.01); B01J 20/267 (2013.01); B01J 20/28004 (2013.01); B01J 20/28059 (2013.01); B01J 20/3425 (2013.01); B01J 20/3475 (2013.01); B01J 39/19 (2017.01); C02F 1/285 (2013.01); C08G 12/266 (2013.01); C02F 1/001 (2013.01); C02F 2101/20 (2013.01); C02F 2101/206 (2013.01); C02F 2101/22 (2013.01);
Abstract

Crosslinked polymers made up of polymerized units of cyclic diaminoalkane, aldehyde and bisphenol-S or melamine. A method for removing heavy metals, such as Pb(II) from an aqueous solution or an industrial wastewater sample with these crosslinked polymers is introduced. A process of synthesizing the crosslinked polymers is also described.

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Al Hamouz, Othman Charles Sadeq. (2023). Melamine-based crosslinked polymer mannich product (U.S. Patent No. 11760827). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11760827

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