Patent 11135289 was granted and assigned to National Defense Medical Center on October, 2021 by the United States Patent and Trademark Office.
The present invention relates to fucoidan-quaternized chitosan nanoparticles, an immunogenic composition containing the fucoidan-quatemized chitosan nanoparticles, and a method of delivering an agent to a cell by the fucoidan-quaternized chitosan nanoparticles.