ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,693, issued on Oct. 28, was assigned to SYMRISE AG (Holzminden, Germany).
"Encapsulated fragrance compounds based on natural amino acids" was invented by Julian Alexander Georgi (Holzminden, Germany), Benjamin Rost (Bodenwerder, Germany), Ralf Bertram (Holzminden, Germany), Britta Raabe (Muenden, Germany), Andre Haetzelt (Holzminden, Germany) and Joern Wiedemann (Holzminden, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for the production of multilayer microcapsules, in particular multilayer odiferous substance capsules or fragrance compound capsules, which have improved stability and odiferous sub...