ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,555, issued on April 21, was assigned to AstraZeneca AB (Sodertalje, Sweden).

"Chemical compounds" was invented by Jeffrey Wallace Johannes (Wilmington, Del.), Sudhir Mahadeo Hande (Wilmington, Del.), Sebastien Louis Degorce (Wilmington, Del.) and Martin John Packer (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to azaquinolone compounds of Formula (I), and their use in medicine."

The patent was filed on April 7, 2022, under Application No. 17/715,463.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOF...