US Patent Issued to Dow Global Technologies on July 1 for "Methods for reducing aldehyde emissions in polyether polyols and polyurethane foams" (Chinese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,723, issued on July 1, was assigned to Dow Global Technologies LLC (Midland, Mich.).

"Methods for reducing aldehyde emissions in polyether polyols and polyurethane foams" was invented by Haiying Li (Shanghai), Shaoguang Feng (Shanghai), Wenbin Bao (Shanghai), Ping Zhang (Shanghai), Jie Ji (Shanghai), Jian Zou (Shanghai) and Zhengming Tang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, a...