US Patent Issued to YANGTZE UNIVERSITY on Oct. 14 for "Plugging material, preparation method therefor, and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,927, issued on Oct. 14, was assigned to YANGTZE UNIVERSITY (Hubei, China).

"Plugging material, preparation method therefor, and use thereof" was invented by Lifeng Chen (Jingzhou, China), Jiamin Zhang (Jingzhou, China), Minghao Xue (Jingzhou, China), Weiwei Sheng (Jingzhou, China), Huiyong Zeng (Jingzhou, China), Zhaonian Zhang (Jingzhou, China), Lei Hu (Jingzhou, China) and Mingchen Shi (Jingzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plugging material is prepared from the following raw materials in terms of mass fractions, which include: 1 to 3.6 parts of PETA-modified bisphenol A epoxy resin, 1.5 to 2.4 parts of addition product ...