ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,971, issued on April 15, was assigned to TENFOLD TECHNOLOGIES LLC (Pilot Point, Texas).
"Biological degradation of low-rank coals" was invented by Michael K. Danquah (Humble, Texas), Robert D. Chisholm (McKinney, Texas), Allana K. Welsh (Danton, Texas), Leslie M. Perry (Fort Worth, Texas), Maud A. W. Hinchee (Little Elm, Texas), Smrithi Rajagopal (Frisco, Texas) and Josh J. Redublo (Corpus Christi, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and processes for producing aerobic digestion products, such as organic acids, from a low-rank coal substrate are provided. Also provided are multistage bioreactor systems for carrying out the de...