Patent No. EP3447115 (titled "Wine Packaged In Aluminium Containers") was filed by Barokes on Mar 26, 2012. The application was issued on Dec 6, 2023.
A method for packaging wine in aluminum containers that maintains the wine's quality and integrity during storage and transportation. The method involves controlling dissolved CO2 levels, managing oxygen content, and using microfiltration to remove bacteria and yeast from the wine prior to filling. The wine is filled into aluminum containers with a maximum headspace oxygen content of 1% v/v, and the dissolved oxygen level is maintained below 0.5 mg/L throughout the filling process. The wine is also treated with a controlled level of molecular SO2 to prevent spoilage and corrosion of the container.

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