US Patent Issued to Aalto University Foundation sr on Dec. 30 for "Recycling of acid-superbase conjugate ionic liquids by water removal in the lyocell spinning process" (Finnish Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,801, issued on Dec. 30, was assigned to Aalto University Foundation sr (Aalto, Finland).

"Recycling of acid-superbase conjugate ionic liquids by water removal in the lyocell spinning process" was invented by Herbert Sixta (Aalto, Finland), Sherif Elsayed (Aalto, Finland), Inge Schlapp-Hackl (Aalto, Finland), Joanna Witos (Aalto, Finland), Sanna Hellsten (Aalto, Finland), Petri Uusi-Kyyny (Aalto, Finland), Michael Hummel (Aalto, Finland) and Ville Alopaeus (Aalto, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to an example aspect of the present invention, there is provided a process for the production of a cellulose filaments or fi...