ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,155, issued on Dec. 9, was assigned to The Regents of the University of California (Oakland, Calif.) and NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA LLC (Albuquerque, N.M.).

"Use of polyamines in the pretreatment of biomass" was invented by Ezinne Achinivu (Alexandria, Va.), Mood Mohan (Emeryville, Calif.), Hemant Choudhary (Emeryville, Calif.), Lalitendu Das (Emeryville, Calif.), Venkataramana R. Pidatala (Emeryville, Calif.), Harsha D. Magurudeniya (Newport News, Va.), Kaixuan Huang (Albany, Calif.), John M. Gladden (Alameda, Calif.) and Blake A. Simmons (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention p...