ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,358, issued on Aug. 4, was assigned to Urethane Systems USA LLC (Perth Amboy, N.J.).
"Degradable urethane and urethane-urea systems" was invented by Matthew P. Burdzy (South Windsor, Conn.), Matthew Rasmuson (Waterbury, Conn.) and Rebecca L. Nicholson (Suffern, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Degradable polymers, including polyurethane and polyurethane-urea compositions, that can be used in aqueous, non-aqueous and dry hot environments as degradable polymers in oil, gas and other applications. Such polymers may be formed from polyurethane-forming compositions, including: (a) an isocyanate component; (b) one or more polyols; (c) a ...