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.:
Date of Patent:
Jan. 27, 2026
Filed:
May. 21, 2025
Applicant:
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Inventors:
Muhammad Israr, Dhahran, SA;
Mobeen Murtaza, Ashariqya, SA;
Syed Muhammad Shakil Hussain, Dhahran, SA;
Muhammad Shahzad Kamal, Dhahran, SA;
Assignee:
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/532 (2006.01);
U.S. Cl.
CPC ...
C09K 8/532 (2013.01);
Abstract
An aqueous injection fluid for treatment of a subterranean hydrocarbon-bearing formation includes water and at least one water soluble cationic surfactant having a general formula (DCS): where 'R' is C-Calkylene which may have one or more —O—, —S— or —S(O)O— groups, ‘X’ is halide, ‘x’ is an integer of from 2 to 10 and, ‘y’ is an integer of from 2 to 10.