ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,518, issued on March 11, was assigned to Ehsan Behzadfar (Toronto).

"Additive free fabrication of polymeric composites with delayed and reduced dripping" was invented by Ehsan Behzadfar (Toronto), Christopher W. Macosko (Minneapolis), Frank S. Bates (Minneapolis), Alex M. Jordan (Menomonie, Wis.) and Kyungtae Kim (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "Multilayer composite materials are described herein. The multilayer composite materials have a first layer comprising a first polymer and a second layer comprising a second polymer. The first layer and the second layer abut each other. The first layer and the second layer each hav...