ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,643, issued on Dec. 30, was assigned to The Procter & Gamble Co. (Cincinnati).

"Pro-benefit-agent compounds with carbon/nitrogen bonds" was invented by Sean N. Natoli (Liberty Township, Ohio), Rajan Keshav Panandiker (West Chester, Ohio), Gregory Scot Miracle (Liberty Township, Ohio) and Jenna Marie Hoover (Finneytown, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "Pro-benefit-agent compounds that include a benefit agent fragment joined to a hydrophobically modified core, such as a hydrophobically modified amino acid, by a carbon/nitrogen linking bond, where the fragment is derived from a benefit agent, such as a perfume raw material, that incl...