US Patent Issued to HANGZHOU ATOMIC CARBON MATERIALS on April 14 for "Layer-number-controllable graphene derived from natural biomass and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,632, issued on April 14, was assigned to HANGZHOU ATOMIC CARBON MATERIALS CO. LTD. (Hangzhou, China).

"Layer-number-controllable graphene derived from natural biomass and preparation method thereof" was invented by Duanchao Wang (Hangzhou, China) and Qinghui Guo (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a layer-number-controllable graphene derived from natural biomass and a preparation method thereof. The preparation method includes pulverizing 1-100 g of biomass to obtain a 50-to 300-mesh biomass scrap, and drying the biomass scrap at 60-100deg C. to obtain a biomass precursor; mixing the bioma...