ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,465, issued on March 18, was assigned to FIRMENICH SA (Satigny, Switzerland).
"Enol ether properfume" was invented by Gary Bernard Womack (Plainsboro, N.J.) and Brinda Indradas (Plainsboro, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are compounds of formula (I) as properfume compounds, as well as a method to release a compound being a carbonyl of formula (II), a formate ester of formula (III) and/or an alcohol of formula (IV), by exposing the compound of formula (I) to an environment wherein it is oxidized. Also described herein are a perfuming composition and a perfume consumer product including at least one compound of f...