ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,776, issued on Oct. 28, was assigned to ARBUTUS BIOPHARMA Corp. (Vancouver, Canada).

"Lipids and compositions for the delivery of therapeutics" was invented by Muthiah Manoharan (Cambridge, Mass.), Muthusamy Jayaraman (Cambridge, Mass.), Kallanthottathil G. Rajeev (Cambridge, Mass.), Laxman Eltepu (Cambridge, Mass.), Steven Ansell (Cambridge, Mass.) and Jianxin Chen (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention provides lipids having the following structurewhere...