ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,333, issued on Oct. 21, was assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS (Dhahran, Saudi Arabia).
"Alkali-activated cement composition" was invented by Ibrahim Nabil Ali Al-Duais (Dhahran, Saudi Arabia), Shamsad Ahmad (Dhahran, Saudi Arabia), Mohammad Al-Osta (Dhahran, Saudi Arabia), Mohammed Maslehuddin (Dhahran, Saudi Arabia), Salah Uthman Al-Dulaijan (Dhahran, Saudi Arabia) and Tawfik Abdo Saleh (Dhahran, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cement composition includes a curable component in an amount of 10 to 25 wt. %; a fine aggregate (FA) in an amount of 20 to 40 wt. %; a coarse aggregate (CA) in an amoun...