ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,419, issued on Sept. 2, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Imide addition-fragmentation agents" was invented by Guy D. Joly (Shoreview, Minn.), Ahmed S. Abuelyaman (Woodbury, Minn.) and Joel D. Oxman (Minneapolis).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polymerizable composition is described comprising at least one monomer, oligomer, polymer, or a combination thereof comprising ethylenically unsaturated groups; and at least one cyclic imide monomer comprising an Alpha, Beta-unsaturated carbonyl. The cyclic imide monomer comprises an imide group and the Alpha, Beta-unsaturated carbonyl in a heterocyclic ring wher...