US Patent Issued to ZHONGHAO CHENGUANG RESEARCH NSTITUTE OF CHEMICAL INDUSTRY on Jan. 27 for "Polytetrafluoroethylene composite filter material and preparation method and uses thereof" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,640, issued on Jan. 27, was assigned to ZHONGHAO CHENGUANG RESEARCH NSTITUTE OF CHEMICAL INDUSTRY Co. LTD. (China).

"Polytetrafluoroethylene composite filter material and preparation method and uses thereof" was invented by Jia Li (Sichuan, China), Zhongliang Xiao (Sichuan, China), Ping Xiao (Sichuan, China), Hui Li (Sichuan, China), Fan Yang (Sichuan, China) and Chunyang Cai (Sichuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polytetrafluoroethylene composite filter material, and a preparation method and uses thereof, comprises a support layer and a polytetrafluoroethylene microporous membrane layer, and the support layer and the polyt...