ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,581, issued on July 15, was assigned to SINTEFF TTO AS (Norway).

"Nanoparticles comprising copolymeric or homopolymeric compounds which comprise cyanoacrylate subunits" was invented by Ruth Schmid (Tiller, Norway), Peter Molesworth (Leirfossvegen, Norway) and Yrr Morch (Trondheim, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a nanoparticle comprising copolymeric or homopolymeric compounds which comprise cyanoacrylate subunits according to formula 2A, wherein each R1 is independently selected from the group consisting of 2-ethylhexyl, 2-phenylethyl, neopentyl, 1-pentyl, 2-pentyl, 3-pentyl, 3,3-dimethyl-1-butyl, 3-met...