ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,793, issued on June 10, was assigned to PLANTICS B.V. (Arnhem, Netherlands).
"Layered high-void-fraction material" was invented by Wridzer Jan Willem Bakker (Arnhem, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention pertains to a layered high-void-fraction material comprising a composite surface layer comprising structural material and a polyester derived from an aliphatic polyol with 2-15 carbon atoms and an aliphatic polycarboxylic acid with 3 to 15 carbon atoms, wherein the surface layer is connected to a high-void-fraction layer of structural material. As compared to a high-void-fraction material without the composite surf...