ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,391, issued on Nov. 18, was assigned to Chromis Fiberoptics Inc. (Warren, N.J.).

"Gas separation articles composed of amorphous fluorinated copolymers of dioxolanes and other fluorinated ring monomers and methods of making and using thereof" was invented by Christopher P. Junk (Wilmington, Del.) and Whitney Ryan White (Watchung, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are articles for separating gases. The article includes an amorphous fluorinated copolymer containing one or more types of fluorinated dioxolane ring monomers, and one or more types of fluorinated non-dioxolane ring monomers, optionally with crosslinking be...