$PHIO not pred yet Granted US Patent #11396654 for "NEUTRAL NANOTRANSPORTERS" for "cancer, autoimmune diseases, inflammatory diseases, viral diseases, HIV, Hepatitis C, flu and cardiovascular diseases. https://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=11396654&OS=11396654&RS=11396654