ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,781, issued on Jan. 13, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Chiyoda-ku, Japan).

"Alpha-hydroxyisobutyric acid ester compound and fragrance composition" was invented by Atsushi Okamoto (Niigata, Japan), Kyoko Hiraoka (Niigata, Japan) and Umi Yokobori (Niigata, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fragrance composition containing a compound represented by Formula (1) as an active ingredient: where in Formula (1), R1 represents a chain hydrocarbon group having from 7 to 20 carbons, and may be linear or branched, and a saturated group or an unsaturated group, and when R1 is an unsaturated group, R1 may have one or mor...