ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,631, issued on March 3, was assigned to Helmholtz-Zentrum fur Infektionsforschung GmbH (Braunschweig, Germany) and Leibniz-Institut fur Pflanzenbiochemie (Halle, Germany).

"Phytosphingosine derivatives as adjuvants in immune stimulation" was invented by Yanira Mendez-Gomez (Halle, Germany), Bernhard Westermann (Halle, Germany), Daniel Garcia-Rivera (Halle, Germany), Aldrin Vasco-Vidal (Halle, Germany), Ludger Wessjohann (Halle, Germany), Carlos A. Guzman (Wolfenbuttel, Germany), Thomas Ebensen (Langenhagen, Germany), Kai Schulze (Wolfsburg, Germany), Peggy Riese (Braunschweig, Germany) and Stephanie Trittel (Hannover, Germany).

According to the abstract* released by the U.S. Pate...