ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,888, issued on Feb. 24, was assigned to Rohm and Haas Co. (Collegeville, Pa.) and Dow Global Technologies LLC (Midland, Mich.).
"Coated paper article" was invented by Xiangyi Zhang (Phoenixville, Pa.), John A. Roper III (Midland, Mich.), Andrew Hejl (Lansdale, Pa.), Brian R. Einsla (Collegeville, Pa.) and Matthew Carter (Bala Cynwyd, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an article comprising a paper or paperboard substrate superposed with a film having a dry coat weight in the range of from 1 g/m2 to 20 g/m2; wherein the film comprising a copolymer which comprises structural units of a vinyl ester, viny...