US Patent Issued to Saudi Arabian Oil, King Fahd University of Petroleum & Minerals on May 20 for "Recycled concrete waste powder and aggregates with heavy oil fuel ash for producing a green flowable backfill material" (Saudi Arabia Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,863, issued on May 20, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia) and King Fahd University of Petroleum & Minerals (Dhahran, Saudi Arabia).

"Recycled concrete waste powder and aggregates with heavy oil fuel ash for producing a green flowable backfill material" was invented by Carlos Acero (Dhahran, Saudi Arabia), Muhammed Kalimur Rahman (Dhahran, Saudi Arabia), Zakariya Saleh Al-Helal (Dhahran, Saudi Arabia), Mohammed Ibrahim (Dhahran, Saudi Arabia), Luai Alhems (Dhahran, Saudi Arabia) and Mohammed Salihu Barry (Thoqbah, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions and methods of forming compositions fo...