ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,169, issued on Oct. 7, was assigned to Evonik Operations GmbH (Essen, Germany).
"Methacrylate copolymer and compositions comprising it" was invented by Thomas Endres (Mainz, Germany), Christian Moers (Langen, Germany), Fabian-Pascal Schmied (Darmstadt, Germany), Jan Hendrik Schattka (Darmstadt, Germany) and Kathrin Nollenberger (Darmstadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A novel methacrylic copolymer contains units derived from at least one alkyl methacrylate and methacrylamide. The units derived from methacrylamide are present in at least 34 wt.-%, based on the total weight of the methacrylic copolymer. A method can be used fo...