US Patent Issued to SAFEKEY Engineering Technology (Zhengzhou) on Sept. 30 for "Silicate modified polymer foam material for filling and sealing" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,519, issued on Sept. 30, was assigned to SAFEKEY Engineering Technology (Zhengzhou) Ltd. (Henan, China).

"Silicate modified polymer foam material for filling and sealing" was invented by Peng Zhao (Henan, China), Hongyuan Fang (Henan, China), Lei Wang (Henan, China), Chengchao Guo (Henan, China), Mingrui Du (Henan, China), Chao Zhang (Henan, China) and Guobin Qiao (Henan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A silicate modified polymer foam material for filling and sealing contains prepolymerized isocyanate and a silicate modified aqueous solution with a mass ratio in a range of 1:(1.2-1.4). In the prepolymerized isocyanate, a mass ...