ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,988, issued on April 15, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia) and King Fahd University of Petroleum & Minerals (Dhahran, Saudi Arabia).

"Dendrimeric carbon dot-polyamide membranes" was invented by Tawfik A. Saleh (Dhahran, Saudi Arabia), Fahd Ibrahim AlGhunaimi (Dhahran, Saudi Arabia), Norah Aljuryyed (Dhahran, Saudi Arabia) and Hind S. Aldossary (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dendrimeric carbon dot-polyamide membrane, a method for making the dendrimeric carbon dot-polyamide membrane, and a method for producing purified water are provided. An exemplary carbon dot-polyamide membrane inc...