ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,568, issued on Dec. 30, was assigned to WORN AGAIN TECHNOLOGIES Ltd. (Nottingham, Great Britain).
"Recycling process" was invented by Adam Walker (Nottingham, Great Britain), Joshua E.S. Reid (Nottingham, Great Britain) and Lauri Kari Johannes Hauru (Nottingham, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a process for separating cellulose from a feedstock, comprising the steps of: a) wetting the cellulose with a first solvent system to form wet cellulose; b) contacting the wet cellulose with a second solvent system to form a mixture; c) maintaining the mixture at a first temperature for a first period...