US Patent Issued to KING SAUD UNIVERSITY on Feb. 10 for "Method for preparing a clay-polymer composite" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,757, issued on Feb. 10, was assigned to KING SAUD UNIVERSITY (Riyadh, Saudi Arabia).

"Method for preparing a clay-polymer composite" was invented by Ayman Mohamady Atta (Riyadh, Saudi Arabia), Ali Kanakhr Aldalbahi (Riyadh, Saudi Arabia), Abdelrahman Osama Ezzat (Riyadh, Saudi Arabia) and Hamad Abdullah Al-Lohedan (Riyadh, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of modifying natural clay. The method including mixing an amount of Bentonite or Kaolinite clay with a hydrochloride hydrogen nitrate mixture and stirring to obtain a powder, treating the powder with a piranha solution to obtain second reaction mixture and stirri...