US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on Sept. 30 for "Method for preparing sulfur-polyacrylonitrile (SPAN)" (Michigan Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,506, issued on Sept. 30, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Method for preparing sulfur-polyacrylonitrile (SPAN)" was invented by Robert D. Schmidt (Howell, Mich.), Shuru Chen (Troy, Mich.), Fang Dai (Troy, Mich.) and Mei Cai (Bloomfield Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for forming sulfur polyacrylonitrile are provide. In certain variations, the method includes contacting sulfur and polyacrylonitrile to form an admixture, sealing a container holding the admixture, heating the admixture to a first temperature venting the container holding the admixture to release gases generated during ...