ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,849, issued on April 21, was assigned to Iogen Corp. (Ottawa).
"Converting lignocellulosic feedstock to fuel" was invented by Brian Foody (Ottawa), Jeffrey S. Tolan (Ottawa) and Kristin Martens (Nepean, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for converting lignocellulosic biomass to fuel, wherein lignocellulosic feedstock is soaked in a sulfuric acid solution to demineralize the feedstock, the demineralized feedstock is pretreated at a temperature between 150deg C. and 230deg C. and a pH between 1 and 2.5, at least part of the pretreated material is converted to a fermentation production such as ethanol, and at least a port...