ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,883, issued on June 17, was assigned to Davol Inc. (Warwick, R.I.) and University of Pittsburgh-Of the Commonwealth System of Higher Education (Pittsburgh).

"Soft tissue repair implants comprising hydroxybutyrate" was invented by Peter Maughan Crapo (North Kingstown, R.I.), Devang Vijay Shah (Franklin, Mass.), Stephen F. Badylak (Pittsburgh), George Hussey (Cranberry Township, Pa.), Catalina Pineda Molina (Pittsburgh) and Brian Sicari (Pittsburgh).

According to the abstract* released by the U.S. Patent & Trademark Office: "Articles and methods involving soft tissue repair implants comprising 2-hydroxybutyrate, 3-hydroxybutyrate, 4-hydroxybutyrate, and/or their conjugate acids are...