ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,320, issued on Aug. 4, was assigned to 20BLOC INC. (Thousand Oaks, Calif.).

"Hemoglobin-based oxygen carrier compositions" was invented by Alex Lepak (Thousand Oaks, Calif.), David Rozzell (Thousand Oaks, Calif.), Sky Ferrara (Thousand Oaks, Calif.), Kai Lu (Thousand Oaks, Calif.), Martin Michael Dcona (Thousand Oaks, Calif.), Nitin Pawar (Thousand Oaks, Calif.) and Erik Goebel (Oakdale, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are modified hemoglobin (Hb) comprising at least two subunits of a Hb intramolecularly crosslinked with a compound of formula (I),or salt, stereoisomer, or deuterated form thereof, wherein X, R1, an...