US Patent Issued to KING SAUD UNIVERSITY on Sept. 23 for "Selective extraction of thiophene from thiophene/n-heptane using a poly(vinyl acetate)/water membrane system" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,242, issued on Sept. 23, was assigned to KING SAUD UNIVERSITY (Riyadh, Saudi Arabia).

"Selective extraction of thiophene from thiophene/n-heptane using a poly(vinyl acetate)/water membrane system" was invented by Taieb Aouak (Riyadh, Saudi Arabia), Ahmed Yacine Badjah Hadj Ahmed (Riyadh, Saudi Arabia), Wafa Nazal Alharbi (Riyadh, Saudi Arabia), Zeid Abdullah Alothman (Riyadh, Saudi Arabia) and Abderahmane Abdullah Alwarthan (Riyadh, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of using a system includes injecting a liquid mixture from a reservoir to an upper cell; stirring the liquid mixture in the upper cell using a stirrer...