ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,418, issued on Dec. 9, was assigned to NANTONG TEANOL BIOTECHNOLOGY Co. LTD. (Nantong, China).
"Method for preparing theaflavin with immobilized substrate" was invented by Weiguo Yang (Nantong, China), Yidan Zhou (Nantong, China), Bo Zhu (Nantong, China), Guangyong Zhou (Nantong, China), Yintian Zhao (Nantong, China) and Huayang Guan (Nantong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for preparing a theaflavin using an immobilized substrate, including: enriching a catechin molecule substrate, a natural plant monomer, on an inert adsorption carrier in a non-covalent bonding manner; subjecting a resulting material to pu...