US Patent Issued to NORTH UNIVERSITY OF CHINA, SHANXI ZHONGBEI NEW MATERIAL TECHNOLOGY on Oct. 7 for "Efficient and cost-effective method for preparing ultra-fine powdered natural rubber masterbatch with high graphene content and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,211, issued on Oct. 7, was assigned to NORTH UNIVERSITY OF CHINA (Taiyuan, China) and SHANXI ZHONGBEI NEW MATERIAL TECHNOLOGY Co. LTD. (Taiyuan, China).

"Efficient and cost-effective method for preparing ultra-fine powdered natural rubber masterbatch with high graphene content and use thereof" was invented by Yaqing Liu (Taiyuan, China), Guizhe Zhao (Taiyuan, China) and Xu Li (Taiyuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a graphene-containing ultra-fine powdered natural rubber masterbatch, including: mixing a diluted graphene oxide dispersion with an anionic surfactant to obtain a modified graphene oxide disper...