ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,945, issued on Nov. 11, was assigned to Rohm and Haas Co. (Collegeville, Pa.) and Dow Global Technologies LLC (Midland, Mich.).
"Aqueous dispersion of occluded polymer particles" was invented by James C. Bohling (Lansdale, Pa.), Wei Gao (Fort Washington, Pa.), Justin Gimbal (Warminster, Pa.) and Ian D. Robertson (Collegeville, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a composition comprising an aqueous dispersion of multiphase polymer particles comprising first polymer particles having a Tg of less than 30deg C. and second polymer particles having a Tg in the range of from 100deg C. to 110deg C., wherein th...