US Patent Issued to CLEMSON UNIVERSITY RESEARCH FOUNDATION on June 2 for "Non-isocyanate polyurethanes from bio-based polyols" (South Carolina Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,979, issued on June 2, was assigned to CLEMSON UNIVERSITY RESEARCH FOUNDATION (Clemson, S.C.).

"Non-isocyanate polyurethanes from bio-based polyols" was invented by Srikanth Pilla (Clemson, S.C.) and James Scott Sternberg (Clemson, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Bio-based polymer precursors and non-isocyanate polyurethanes (NIPU) and non-isocyanate polyurethane foams (NIPUF) that can be formed from the precursors, as well as methods for the synthesis of the precursors and the polyurethane products are described. The bio-based polymer precursors are formed through functionalization of a bio-based polyol, e.g., lignin, with cyclic ...