US Patent 11667465 Portion capsule having an identifier

A single-serve capsule for making a beverage, having: a base element with a cavity, in which a raw beverage material is provided, the base element is made of a biodegradable material, a flange extending outwardly from the base element, the flange comprising a top side and an opposing bottom side, and a cover that is fastened to the top side of the flange to close the cavity, the cover is made of a same material as the base element. The single-serve capsule is free of a filter, and has an identifier, which makes it possible to individualize the respective single-serve capsule, the identifier is provided on the bottom side of the flange.