US Patent Issued to Lawrence Livermore National Security on Sept. 23 for "Additive manufacture of hierarchically porous materials with high resolution" (California Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,472, issued on Sept. 23, was assigned to Lawrence Livermore National Security LLC (Livermore, Calif.).

"Additive manufacture of hierarchically porous materials with high resolution" was invented by Siwei Liang (Dublin, Calif.), Theodore F. Baumann (Discovery Bay, Calif.), Eric B. Duoss (Dublin, Calif.), Christopher M. Spadaccini (Oakland, Calif.), Marcus A. Worsley (Hayward, Calif.) and Cheng Zhu (Livermore, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one embodiment, an ink includes a polymer precursor, a copolymer, a catalyst, and a solvent. In another embodiment, a product includes a three-dimensional printed structure having ligamen...