ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,072, issued on April 22, was assigned to Covestro (Netherlands) B.V. (Geleen, Netherlands).
"Multi-aziridine compound" was invented by Gerardus Cornelis Overbeek (Geleen, Netherlands), Patrick Johannes Maria Stals (Geleen, Netherlands), Daan Van Der Zwaag (Geleen, Netherlands), Alfred Jean Paul Buckmann (Geleen, Netherlands) and Josephus Christiaan Van Oorschot (Geleen, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a multi-aziridine compound having: a) at least 2 of the following structural units (A): (A) whereby R1 is H; R2 and R4 are independently chosen from H, a linear group containing from 1 to 8 car...