ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,549, issued on May 26, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Tokyo).
"Oxygen absorbing resin composition, oxygen absorbing film, oxygen absorbing multi-layer film, and cover material" was invented by Keisuke Watanabe (Tokyo) and Yoshiki Itou (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oxygen absorbing resin composition containing a polyolefin, an iron powder, titanium oxide, and calcium oxide, a content of the iron powder being from 10 to 50 mass % in the oxygen absorbing resin composition, a mass ratio of the titanium oxide to the iron powder [titanium oxide/iron powder] being from 0.1 to 0.5, and a mass ratio of the cal...