US Patent Issued to DONGYING JOFO FILTRATION TECHNOLOGY on Jan. 28 for "Preparation method of SM non-woven fabrics for roof anti-slip" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,338, issued on Jan. 28, was assigned to DONGYING JOFO FILTRATION TECHNOLOGY Co. LTD. (Dongying, China).

"Preparation method of SM non-woven fabrics for roof anti-slip" was invented by Wensheng Huang (Dongying, China), Yujia Liu (Dongying, China), Guodong Xie (Dongying, China), Weidong Zhang (Dongying, China), Jinjing Qiu (Dongying, China), Weifeng Sun (Dongying, China) and Zhiguo Huang (Dongying, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a preparation method of SM non-woven fabrics for roof anti-slip, which belongs to the technical field of roofing materials, comprising preparing spunbond non-woven fabric...