US Patent Issued to DOW GLOBAL TECHNOLOGIES, ROHM AND HAAS on May 12 for "Emulsion polymer and process for preparing the same" (Chinese, American Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,139, issued on May 12, was assigned to DOW GLOBAL TECHNOLOGIES LLC (Midland, Mich.) and ROHM AND HAAS COMPANY (Collegeville, Pa.).

"Emulsion polymer and process for preparing the same" was invented by Daoshu Lin (Shanghai), Yan Wu (Shanghai), Changkun Piao (Shanghai), Jia Tang (Shanghai), Dong Yun (Shanghai), Hua Ren (Shanghai), Zhenwen Fu (Norristown, Pa.) and Baoqing Zheng (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An emulsion polymer comprising: (a) structural units of a specific polymerizable surfactant, (b) structural units of an ethylenically unsaturated anionic monomer, and (c) structural units of an ethylenically unsaturated non...