ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,296, issued on June 24, was assigned to AMOUNT BIOTECHNOLOGY INC. (Quanzhou, China).

"Detergent-mixed dry hydrogel particle and concentration and specific activity enhancement of macromolecule" was invented by Zhijian Eric (Hangzhou, China), Min Luo (Hangzhou, China) and Changqing Lv (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention belongs to the field of preparation of macromolecule sample of various volumes, pertaining to a detergent-mixed dry hydrogel particle and a method of using the particle to mass concentrate the macromolecule liquid sample or to enhance specific activity of the protein liquid sample. After thor...