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  • Writer's pictureKai Wu

New US Patent Published Online - US20220354973A1

Updated: Apr 27, 2023

Prof. Wu's US Patent "Iron nitride nanoparticle suspension" (US20220354973A1) is published online today. This patent covers the wet ball milling of iron nitride nanoparticles in the presence of a surface active agent. The method solves the challenges in pursing inexpensive, high magnetic moment, low biotoxicity, colloidal stable, and environmentally friendly iron nitride magnetic nanoparticles (MNPs).



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