US Patent 11760546 Systems and methods for de-oxygenation of a closed container

A de-oxygenation stopper configured to enable aging of an oxygen sensitive material such as wine contained within a vessel, while minimizing oxygen content within the vessel. The stopper includes an oxygen scavenging element configured to remove and/or neutralize oxygen molecules within the vessel, and a sealing element formed of one or more materials having tailored oxygen transmission rate(s) configured to enable the material to age at a desired rate.