ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,194, issued on April 22, was assigned to Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences (Lanzhou, China).

"Environment-friendly and flame-retardant abradable seal coating material with ultra-low density and use method thereof" was invented by Haixia Cui (Lanzhou, China), Lei Chen (Lanzhou, China), Yue Zhang (Lanzhou, China), Yanping Wu (Lanzhou, China), Hongxuan Li (Lanzhou, China), Huidi Zhou (Lanzhou, China) and Jianmin Chen (Lanzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an environment-friendly and flame-retardant abradable seal coating material with an ultra-low density and a use method thereof. The...