ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,618, issued on May 26, was assigned to Triad National Security LLC (Los Alamos, N.M.).
"Asymmetric carbon molecular sieve hollow fiber membranes" was invented by Rajinder Pal Singh (Los Alamos, N.M.), JongGeun Seong (Los Alamos, N.M.), Jeremy Charles Lewis (Los Alamos, N.M.) and Kathryn A. Berchtold (Los Alamos, N.M.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are methods of preparing carbon molecular sieve (CMS) hollow fiber membranes derived from polybenzimidazole (PBI) hollow fiber membranes, obtained by contacting a PBI hollow fiber membrane with a cross-linking or acid solution prior to carbonization. CMS hollow fiber membranes obtai...