logo

For the Inventor, By the Inventor

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 12485365 B1

PDFFull Text
Date of Patent:
Dec. 02, 2025

Filed:

Jan. 19, 2023

System for separating oil and water mixture using hydrophilic modified polystyrene and hydrophobic polyurethane

Applicant:

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

Inventor:

Tawfik Abdo Saleh, Dhahran, SA;

Assignee:

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

Attorney:

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

Primary Examiner:

Liam Royce

Int. Cl.
CPC ...
B01D 17/00 (2006.01); B01D 71/28 (2006.01); B01D 71/54 (2006.01); C02F 1/00 (2023.01); C02F 1/40 (2023.01); C02F 101/32 (2006.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
B01D 17/085 (2013.01); B01D 71/281 (2022.08); B01D 71/54 (2013.01); C02F 1/001 (2013.01); C02F 1/006 (2013.01); C02F 1/40 (2013.01); C02F 2101/32 (2013.01); C02F 2103/08 (2013.01);
Abstract

A system for separating an oil and water mixture including an oil and water mixture tank, a first membrane, a second membrane, a separated oil tank, and a separated water tank. The first membrane includes polystyrene, which is functionalized with tannic acid. Water passes through, and oil does not pass through the first membrane. The second membrane includes polyurethane, which is functionalized with an alkyl group. Oil passes through, and water does not pass through the second membrane.

Find Patent Forward Citations

Saleh, Tawfik. (2025). System for separating oil and water mixture using hydrophilic modified polystyrene and hydrophobic polyurethane (U.S. Patent No. 12485365). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12485365

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…