Patent 11866594 was granted and assigned to Lawrence Livermore National Security (company) on January, 2024 by the United States Patent and Trademark Office.
In accordance with one aspect of the presently disclosed inventive concepts, a product includes a porous three-dimensional (3D) printed polymer structure having elastomeric shape memory, where the structure includes a material comprising a plurality of gas-filled microballoons. The 3D printed polymer structure has hierarchical porosity.