ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,662, issued on Oct. 28, was assigned to GIVAUDAN SA (Vernier, Switzerland).

"Method of extending the olfactory effect of a fragrance composition" was invented by Aurelie Ferry (Bouffemont, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of extending the olfactory effect of a fragrance added to a washed item, comprising the addition to the wash of the fragrance, the fragrance comprising at least one compound selected from the group consisting of ethyl (Z)-2-acetyl-4-methyltridec-2-enoate; ethyl N,S-bis(4-oxo-4-(2,6,6-trimethylcyclohex-3-en-1-yl)butan-2-yl)cysteinate; 4-(dodecylthio)-4-methylpentan-2-one; 1-butoxy-3-((1E,4Z)-hepta-1,4-d...