ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,736, issued on June 30, was assigned to King Fahd University of Petroleum and Minerals (Dhahran, Saudi Arabia).
"Method of concurrent oil extraction and carbon dioxide mineralization" was invented by Ahmed Zarzor Hussien Yaseri (Dhahran, Saudi Arabia), Ibrahim Yahia Yaagoob Mohamed (Dhahran, Saudi Arabia) and Noof Saleh Aqeel Al-Aqeel (Dhahran, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of concurrent oil extraction and carbon dioxide (CO2) mineralization includes treating a subterranean rock with hexamethylenediamine-containing solution to improve CO2 uptake and oil recovery rate."
The patent was filed on Nov. 25, 2025, un...