Benzinga | Dec 14, 2021 09:46AM EST

Arbutus Shares Spike To Session High Following Circulation Of US Patent & Trademark Office Abstract For Co.'s 'Sterically hindered amines'

https://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=11,191,8