ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,424, issued on Feb. 24, was assigned to University of Maine System Board of Trustees (Orono, Maine).

"Cement compositions, and methods thereof" was invented by Warda Bint Ashraf (Arlington, Texas), Hemant Purushottam Pendse (Orono, Maine) and Muhammad Intesarul Haque (Arlington, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides compositions comprising modified biochar and a cement composition, as well as methods of making and characterizing such compositions, and/or technologies relating to such compositions, their production, and/or their use."

The patent was filed on March 11, 2022, under Application No. 18/281,...