US Patent Issued to MITSUBISHI GAS CHEMICAL on May 6 for "Gas concentration adjusting agent for use in culture of bacteria, and method for culturing bacterium using same" (Japanese Inventor)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,703, issued on May 6, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Tokyo).

"Gas concentration adjusting agent for use in culture of bacteria, and method for culturing bacterium using same" was invented by Hajime Yamada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas concentration regulator for use in culture of bacteria, including: (a) an ascorbic acid component; (b) a transition metal catalyst; (c) activated carbon; (d) an alkali metal carbonate or an alkaline earth metal hydroxide; and (e) water, wherein the activated carbon is impregnated with the ascorbic acid component and the water, and an average pore diameter of the acti...