ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,338, issued on June 17, was assigned to BIO-RAD LABORATORIES INC. (Hercules, Calif.).

"Compositions and methods for enhancing reverse transcriptase activity and/or reducing the inhibition of reverse transcriptase" was invented by Xiangdong Meng (Albany, Calif.), Xiaosong Gong (Richmond, Calif.) and Cindy C T Wan (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "The subject application pertains to compositions and methods for enhancing reverse transcriptase (RT) activity and/or reducing the inhibition of RT by inhibitors, such as formalin, tannic acid and/or heparin. In some embodiments, RT inhibition is reduced by the addition of potassi...