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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 12378467 B1

PDFFull Text
Date of Patent:
Aug. 05, 2025

Filed:

Nov. 03, 2019

Tracer including zinc oxide quantum dots embedded in silica

Applicants:

Saudi Arabian Oil Company, Dhahran, SA;

King Fahd Univerisity of Petroleum & Minerals, Dhahran, SA;

Inventors:

Zain H. Yamani, Dhahran, SA;

Safyan A. Khan, Dhahran, SA;

Shahid Ali, Dhahran, SA;

Mohammed Al-Jabari, Dhahran, SA;

Assignees:

Saudi Arabian Oil Company, Dhahran, SA;

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

Attorney:

Fish & Richardson P.C.

Primary Examiner:

William D Hutton, Jr

Assistant Examiner:

Ashish K Varma

Int. Cl.
CPC ...
E21B 47/11 (2012.01); C01G 9/02 (2006.01); C09K 8/60 (2006.01); C09K 11/02 (2006.01); C09K 11/54 (2006.01); E21B 43/34 (2006.01); B82Y 15/00 (2011.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C09K 11/02 (2013.01); C01G 9/02 (2013.01); C09K 8/60 (2013.01); C09K 11/54 (2013.01); E21B 47/11 (2020.05); B82Y 15/00 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2004/64 (2013.01); C01P 2006/60 (2013.01);
Abstract

A composition includes a continuous phase, a silica nanoparticle, methyl groups, and a quantum dot. The continuous phase includes ethanol or water. The silica nanoparticle has a diameter of less than 100 nanometers. The methyl groups are disposed on a surface of the silica nanoparticle. The quantum dot includes zinc oxide. The quantum dot is embedded in the silica nanoparticle.

Find Patent Forward Citations

Yamani, Zain. (2025). Tracer including zinc oxide quantum dots embedded in silica (U.S. Patent No. 12378467). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12378467

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

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