US Patent Issued to MITSUBISHI GAS CHEMICAL on May 20 for "Oxygen scavenger composition and production method for same" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,860, issued on May 20, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Tokyo).

"Oxygen scavenger composition and production method for same" was invented by Daiki Sato (Tokyo) and Atsushi Inoue (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oxygen scavenger composition including a mixed granule that includes a water retention agent, a swelling agent, a metal salt, water, and iron, as well as a method for producing the oxygen scavenger composition, the method including: collectively mixing a water retention agent, a swelling agent, a metal salt, water, and iron for granulation."

The patent was filed on May 19, 2020, under Application...