US Patent Issued to Shanxi University on Sept. 30 for "Magnesium-based fly ash porous sound-absorbing material with surface hydrophobically modified and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,344, issued on Sept. 30, was assigned to Shanxi University (Taiyuan, China).

"Magnesium-based fly ash porous sound-absorbing material with surface hydrophobically modified and preparation method thereof" was invented by Fangqin Cheng (Taiyuan, China), Li Fang (Taiyuan, China), Dongdong Zhou (Taiyuan, China), Jiankuan He (Taiyuan, China) and Zhenzhen Jia (Taiyuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnesium-based fly ash porous sound-absorbing material with a surface hydrophobically modified, and a preparation method thereof are provided. In the preparation method, a basic magnesium sulfate cement is adopted as a cementing agent...