US Patent Issued to KING FAISAL UNIVERSITY on June 17 for "Efficient methods of grinding volcanic pumice and its use in making cementitious composites" (Saudi Arabia Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,986, issued on June 17, was assigned to KING FAISAL UNIVERSITY (Al-Ahsa, Saudi Arabia).

"Efficient methods of grinding volcanic pumice and its use in making cementitious composites" was invented by Muhammad Nasir Amin (Al-Ahsa, Saudi Arabia), Kaffayatullah Khan (Al-Ahsa, Saudi Arabia) and Majdi Adel Al-Faiad (Al-Ahsa, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cement composition is provided including a cementitious matrix containing Portland cement and a volcanic pumice component incorporated within the cementitious matrix. The volcanic pumice component is prepared by grinding in a ball mill using tungsten balls. The ball mill use...