US Patent Issued to DOW SILICONES on June 9 for "Polydiorganosiloxane preparation" (Chinese, American Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,827, issued on June 9, was assigned to DOW SILICONES Corp. (Midland, Mich.).

"Polydiorganosiloxane preparation" was invented by Xiuyan Wang (Shanghai), Jiang Peng (Shanghai), Yi Guo (Shanghai), Qiang Hu (Shanghai) and Michael H. Wang (Midland, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for end-capping a dimethylsilanol terminated polydiorganosiloxane with one or more di, tri and/or tetra alkoxysilanes in the presence of a basic end-capping catalyst starting material is provided. An acidic stabilizing/neutralising agent is subsequently added. The acidic stabilizing/neutralising agent is selected from one or more fatty acids having ...