ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,691, issued on Feb. 10, was assigned to Henkel AG & Co. KGaA (Duesseldorf, Germany).

"Tertiary hydroxyl functional alkoxysilanes and methods for preparing thereof" was invented by Jan-Erik Damke (Duesseldorf, Germany), Johann Klein (Duesseldorf, Germany), Rok Brisar (Rostock, Germany) and Esteban Mejia (Rostock, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a tertiary hydroxyl functional alkoxysilane of the general formula (I)wherein R1 is selected from the group consisting of hydrogen and a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; R2 and R3 are same or different and are,...