ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,228, issued on May 20, was assigned to DNA POLYMERASE TECHNOLOGY INC. (St. Louis).
"Inhibition-resistant polymerases" was invented by Milko B. Kermekchiev (St. Louis) and Zhian Zhang (Ballwin, Mo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are mutant polymerase enzymes resistant to inhibitors encountered in Polymerase Chain Reactions (PCR). Also provided are nucleic acids or constructs encoding isolated polypeptides having polymerase activity. Also provided are kits useful for PCR containing isolated polypeptides having polymerase activity or isolated nucleic acids encoding such."
The patent was filed on June 15, 2020, under App...