ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,137, issued on Feb. 3, was assigned to Solventum Intellectual Properties Co. (Maplewood, Minn.).

"N-1 branched alkyl ether substituted imidazo[4,5-cquinoline compounds, compositions, and methods" was invented by George W. Griesgraber (Eagan, Minn.), Bryon A. Merrill (River Falls, Wis.) and Michael J. Rice (Woodbury, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Imidazo[4,5-c]quinoline compounds having a substituent that is attached at the N-1 position by a branched group, single enantiomers of the compounds, pharmaceutical compositions containing the compounds, and methods of making the compounds are disclosed. Methods of use of the compounds ...