ALEXANDRIA, Va., Oct. 19 -- AbbVie, North Chicago, Illinois, has been assigned a patent (No. 10,442,792, initially filed Sept. 17, 2018) developed by 15 co-inventors for a "synthetic route to anti-viral agents." The co-inventors are Russell D. Cink, Grayslake, Illinois, Kirill A. Lukin, Vernon Hills, Illinois, Marvin R. Leanna, Grayslake, Illinois, Matthew J. Pelc, Pleasant Prairie, Wisconsin, Timothy B. Towne, Lindenhurst, Illinois, Dennie S. Welch, Gurnee, Illinois, Kenneth M. Engstrom, Mundel . . .