ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,426, issued on May 27, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Composition including curable fluoropolymer and curative and methods of making and using them" was invented by Tatsuo Fukushi (Woodbury, Minn.), Tamon Aoki (Tokyo), Qilin Chan (Woodbury, Minn.), Miguel A. Guerra (Woodbury, Minn.), Klaus Hintzer (Kastl, Germany), Florian D. Jochum (Ingelheim, Germany), Michael H. Mitchell (Woodbury, Minn.), Allen M. Sohlo (Lindstrom, Minn.) and Yuta Suzuki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The composition includes a curable fluoropolymer having nitrogen-containing cure sites and a curative including a...