US Patent Issued to Rensselaer Polytechnic Institute on Sept. 9 for "Preparation of ion exchange membranes from polyolefins and polycyclic olefins" (New York Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,289, issued on Sept. 9, was assigned to Rensselaer Polytechnic Institute (Troy, N.Y.).

"Preparation of ion exchange membranes from polyolefins and polycyclic olefins" was invented by Chulsung Bae (Cohoes, N.Y.) and Jong Yeob Jeon (Troy, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Ion exchange membranes for use in electrochemical energy conversion and storage applications include copolymers having a backbone produced from an olefin, such as ethylene, and a cyclic olefin, such as norbornene. Haloalkyl side chains with terminal halide groups are connected to the polymer backbone via Friedel-Crafts alkylation. The halide groups are then replace...