US Patent Issued to Dow Global Technologies on June 23 for "Hybrid running track article and method for preparing the same" (Chinese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,609, issued on June 23, was assigned to Dow Global Technologies LLC (Midland, Mich.).

"Hybrid running track article and method for preparing the same" was invented by Chao Zhang (Shanghai), Gang Sun (Shanghai), Xiaolian Hu (Shanghai), Yanli Feng (Shanghai) and Shihao Qin (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a hybrid running track article, comprising, from top to bottom: (I) a top coating layer made from a first composition comprising an externally emulsified polyurethane dispersion and rubber particles, wherein the externally emulsified polyurethane dispersion is derived from: (Ai) an isocyanate c...