ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,581, issued on March 3, was assigned to DOW GLOBAL TECHNOLOGIES LLC (Midland, Mich.) and ROHM AND HAAS COMPANY (Collegeville, Pa.).
"Aqueous dispersion of multistage polymeric particles" was invented by Baoqing Zheng (Shanghai), Tao Wang (Shanghai), Xiaohong Yang (Shanghai), Jinfei Wang (Shanghai), Jia Tang (Shanghai), Jieying Chen (Shanghai), Fengzhe Shi (Shanghai) and Shaoguang Feng (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous dispersion of multistage polymeric particles comprises at least two polymers, and a coating composition comprising such aqueous dispersion of multistage polymeric particles can provide coatings with ho...