US Patent 11001436 Beverage cartridge

A beverage cartridge and method for forming a beverage cartridge. An outer cup may be made of paper and a polymer liner provided at the inner space of the cup. The liner may define an interior space that is closed by a lid, and the liner and lid may be impervious to moisture and gases, e.g., to protect a beverage material in the interior space. A filter may be attached to the liner and/or lid, and the liner may be peelably removable from the cup. The liner, filter and/or lid may be removable together from the cup.