ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,434, issued on Oct. 21, was assigned to Decarbontek LLC (Woburn, Mass.).
"Porous solid amine adsorbents and applications" was invented by Yong Ding (Waban, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Porous solid amine adsorbents are prepared by bringing into contact a first (e.g., dope) solution, including a water insoluble polymer and a water-soluble amine polymer, with an aqueous solution containing a multifunctional chemical agent. The first solution can be obtained by dissolving the water insoluble polymer and the water-soluble amine polymer in a polar solvent. The adsorbents can be in the form of beads, sheets, fibers, hollow fibers, ...