ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,316, issued on May 13, was assigned to Solventum Intellectual Properties Co. (Maplewood, Minn.).

"Orthodontic articles prepared using a polycarbonate diol, polymerizable compositions, and methods of making the articles" was invented by Thomas P. Klun (Lakeland, Minn.), Zeba Parkar (Marietta, Ga.), John M. Riedesel (San Jose, Calif.), Richard J. Pokorny (Maplewood, Minn.), Chad M. Amb (Roberts, Wis.), Benjamin R. Coonce (South St. Paul, Minn.), Robert S. Clough (St. Paul, Minn.), Tianyu Wu (St. Paul, Minn.), Saswata Chakraborty (Sunnyvale, Calif.), Yongshang Lu (Woodbury, Minn.), Benjamin C. MacMurray (Minneapolis), Ahmed S. Abuelyaman (Woodbury, Minn.), Karl J. L. Geisler (St. Pau...