ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,224, issued on June 2, was assigned to Dow Global Technologies LLC (Midland, Mich.).
"Internally emulisified polyurethane dispersion and method for preparing the same" was invented by Xiaolian Hu (Shanghai), Chao Zhang (Shanghai), Biao Ma (Shanghai), Nan Wang (Shanghai) and Yanli Feng (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An internally emulsified polyurethane dispersion, which is prepared by using a combined chain extender system of a hydrophilic amino siloxane compound and a polyetheramine compound, is provided. The internally emulsified polyurethane dispersion can be used to prepare a synthetic leather product having good anti-st...