ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,756, issued on June 3, was assigned to Universiteit Utrecht Holding B.V. (Utrecht, Netherlands) and UMC Utrecht Holding B.V. (Utrecht, Netherlands).

"Macromolecular compositions comprising indene-derivatives, preparation thereof, and use thereof" was invented by Robert Smakman (Nigtevecht, Netherlands), Wilhelmus Everhardus Hennink (Utrecht, Netherlands), Karin Gerarda Frederika Gerritsen (Utrecht, Netherlands), Jacobus Adrianus Wilhelmus Jong (Utrecht, Netherlands) and Cornelus Franciscus van Nostrum (Utrecht, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for preparing a macromolecular compositi...