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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 12208371 B1

PDFFull Text
Date of Patent:
Jan. 28, 2025

Filed:

Mar. 21, 2024

Imidazolium ionic liquids made using cardanol extracted from cashew nutshell oil to enhance crude oil recovery in oilfields

Applicant:

King Saud University, Riyadh, SA;

Inventors:

Ayman M. Atta, Riyadh, SA;

Hamad A. Al-Lohedan, Riyadh, SA;

Abdelrahman O. Ezzat, Riyadh, SA;

Ali K. Aldalbahi, Riyadh, SA;

Assignee:

KING SAUD UNIVERSITY, Riyadh, SA;

Attorneys:

Nath, Goldberg & Meyer

Joshua B. Goldberg

Primary Examiner:

Yong L Chu

Int. Cl.
CPC ...
B01J 20/26 (2006.01); B01J 20/04 (2006.01); B01J 20/06 (2006.01); B01J 20/10 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01J 20/32 (2006.01); C02F 1/28 (2023.01); C02F 1/68 (2023.01); C07D 233/60 (2006.01); C08G 65/331 (2006.01); C08G 65/333 (2006.01); C08G 65/337 (2006.01); E02B 15/04 (2006.01); C02F 101/32 (2006.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
B01J 20/265 (2013.01); B01J 20/043 (2013.01); B01J 20/06 (2013.01); B01J 20/103 (2013.01); B01J 20/28009 (2013.01); B01J 20/28016 (2013.01); B01J 20/3085 (2013.01); B01J 20/3204 (2013.01); B01J 20/3221 (2013.01); B01J 20/3287 (2013.01); B01J 20/3293 (2013.01); C02F 1/288 (2013.01); C02F 1/681 (2013.01); C07D 233/60 (2013.01); C08G 65/3317 (2013.01); C08G 65/33317 (2013.01); C08G 65/337 (2013.01); E02B 15/041 (2013.01); C02F 1/281 (2013.01); C02F 1/285 (2013.01); C02F 2101/32 (2013.01); C02F 2103/08 (2013.01);
Abstract

Modified chemical structures of cardanol extracted from cashew nut shell oil, and the use of the same to prepare imidazolium ionic liquids (IILs). The IILs can be used to prepare different types of silica, magnetite and calcium carbonate nanoparticles (NPs) as multifunctional oilfield chemicals for use in various oil spill collection, de-emulsification, viscosity improvement, asphaltene dispersant, and enhanced oil recovery applications.

Find Patent Forward Citations

Atta, Ayman. (2025). Imidazolium ionic liquids made using cardanol extracted from cashew nutshell oil to enhance crude oil recovery in oilfields (U.S. Patent No. 12208371). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12208371

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

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