ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,065, issued on June 3.
"Method for producing densified cellulosic composite material" was invented by Thomas Schnider (Schupfheim, Switzerland), Ingo Burgert (Zurich, Switzerland), Jana Segmehl (Zurich, Switzerland) and Tobias Keplinger (Uitikon Waldegg, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for obtaining densified material comprising the steps ofa. providing lignocellulosic material,b. delignification of the lignocellulosic material providing a delignified material, wherein the delignification step is performed in such a way that the lignin of the lignocellulosic material is almost complet...