ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,039, issued on Oct. 6, was assigned to Mayo Foundation for Medical Education and Research (Rochester, Minn.).

"Fibrin hydrogels" was invented by Alan D. Marmorstein (Rochester, Minn.) and Jarel K. Gandhi (Modesto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This document provides fibrin hydrogels and methods and materials for making and using fibrin hydrogels. For example, this document provides fibrin hydrogels containing trypan blue (TB), Evans blue (EB), and/or one or more isomers thereof. Methods for making and using fibrin hydrogels containing TB, EB, and/or one or more isomers thereof also are provided."

The patent was filed on Nov. ...