Patent ID: 8703219

Claim:
Capsule for the preparation of a nutritional product in a device adapted to supply liquid into the capsule, the capsule comprising: at least one compartment containing nutritional ingredients for the preparation of the nutritional product in combination with the supplied liquid, the at least one compartment having a bottom, a sidewall and a top that defines a mouth for receiving the liquid, a separate filter unit comprising an outer protective casing that contains therein a microporous filter that removes microorganism contaminants contained in the supplied liquid before directing the supplied liquid to the at least one compartment for contact with the nutritional ingredients, and a filtering surface, present as part of the microporous filter, having an entry surface area for receiving the liquid that is supplied to the capsule, wherein the filtering surface is smaller than an area enclosed by the mouth of the at least one compartment of the capsule and at least part of the filtering surface is offset in transverse cross-section relative to the transverse cross-section enclosed by the mouth of the compartment when viewed in a vertically extending axial projection of the capsule and with respect to a horizontal plane that is parallel to the mouth; the filter unit and filtering surface at least partly extend outside the mouth of the at least one compartment; and a membrane covering the mouth and the filter unit, and sealing the capsule.