ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,835, issued on Aug. 25, was assigned to Wisconsin Alumni Research Foundation (Madison, Wis.).
"Biorenewable synthesis of hydroxy-hexanoate esters" was invented by George Huber (Middleton, Wis.) and Marco Nazareno Dell Anna (Madison, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method to make mono- or di-hydroxy-hexanoates. Triacetic acid lactone is converted to a Delta-hexalactone or a 4-hydroxy-Delta-hexalactone intermediate. The intermediate is treated with an acid in the presence of an alcohol to yield a 5-hydroxy-hexanoate or 4,5-dihydroxy-hexanoate."
The patent was filed on Aug. 4, 2023, under Application No. 18/365,645.
*For further...