ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,473, issued on Sept. 30, was assigned to Chromis Fiberoptics Inc. (Warren, N.J.) and University of Kansas (Lawrence, Kan.).

"Separation articles and methods for using the same for selectively removing difluoromethane from a gasesous mixture" was invented by Christopher P. Junk (Wilmington, Del.), Whitney Ryan White (Watchung, N.J.), Mark Brandon Shiflett (Lawrence, Kan.) and Abby Noelle Harders (Lawrence, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are separation articles such as, for example, films, membranes and the like separating at least one component from a gaseous mixture comprising two or more components comprising ...