ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,417, issued on Aug. 4, was assigned to Julius-Maximilians-Universitat Wurzburg (Wurzburg, Germany).

"Inverse thermogelling polyoxazoline copolymers" was invented by Robert Luxenhofer (Wurzburg, Germany) and Lukas Hahn (Wurzburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a block copolymer comprising a polymer block (A) which comprises repeating units of formula (I) and a polymer block (B) which comprises repeating units of formula (II),wherein R1 is methyl or ethyl, and R2 represents a group -CH2-CH2-phenyl. The copolymer of the present invention allows a rapid thermoresponsive inverse gelation to be achieved, yielding a hydro...