US Patent Issued to TECHNISCHE UNIVERSITAET WIEN on Oct. 27 for "Thermoplastic poly(urethane-urea) polyadducts" (Austrian Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,361, issued on Oct. 27, was assigned to TECHNISCHE UNIVERSITAET WIEN (Vienna).

"Thermoplastic poly(urethane-urea) polyadducts" was invented by Katharina Ehrmann (Vienna), Stefan Baudis (Vienna), Robert Liska (Schleinbach, Austria) and Markus Fitzka (Haunoldstein, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A thermoplastic poly(urethane-urea) polyadduct with sterically hindered urea groups of the following Formula (I):I, M, C1 and C2 each representing bivalent residues linked to each other via a urethane or urea moiety. In the residues I, C1 and C2, when more than four carbon atoms are present, optionally at least one of them is substitute...