ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,439, issued on March 25, was assigned to ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY (Scottsdale, Ariz.).

"Mechanophore-grafted polymers to form stress-responsive thermoset network" was invented by Lenore Dai (Phoenix), Aditi Chattopadhyay (Chandler, Ariz.), Elizabeth Nofen (Phoenix), Jin Zou (San Diego) and Bonsung Koo (Tempe, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions including a thermosetting polymer network and a mechanophore covalently bonded to the thermosetting polymer network are provided. Substrates including the compositions are provided. In addition, methods of making the compositions and methods...