ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,540, issued on Dec. 23, was assigned to DOW GLOBAL TECHNOLOGIES LLC (Midland, Mich.).
"Aqueous dispersion of polymer additive and process for preparing the same" was invented by Hu Li (Shanghai) and Xiangting Dong (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous dispersion of a polymer additive having a weight average molecular weight of from 2,000 to 25,000 g/mol and comprising, by weight based on the weight of the polymer additive, (i) from 20% to 85% of structural units of an ethylenically unsaturated siloxane monomer; (ii) from 0.1% to 10% of structural units of an ethylenically unsaturated functional monomer carrying at least...