US Patent Issued to DOW GLOBAL TECHNOLOGIES, ROHM AND HAAS on Jan. 20 for "Aqueous dispersion comprising multistage polymeric particles" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,964, issued on Jan. 20, was assigned to DOW GLOBAL TECHNOLOGIES LLC (Midland, Mich.) and ROHM AND HAAS COMPANY (Collegeville, Pa.).

"Aqueous dispersion comprising multistage polymeric particles" was invented by Jinfei Wang (Shanghai), Juan Zhao (Shanghai), Xiaohong Yang (Shanghai), Zhonghua Zhang (Shanghai) and Dong Yun (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous dispersion comprising (i) multistage polymeric particles comprising structural units of a specific polymerizable surfactant and (ii) from zero to 5%, by weight based on the weight of the multistage polymeric particles, of a metal salt; and a coating composition compr...