Patent ID: 7638179

Claim:
A closure for an aperture of a beverage bottle, comprising: a cap having an inner side; the cap selected from the group consisting of a twist crown, a crown cork and a screw cap; and a sealing element situated on an inner side of the cap which, in use substantially faces the beverage bottle, the sealing element being tightly fitted onto the aperture by a pressure from the cap to seal the aperture, the sealing element including (a) an extrudable thermoplastic polymer and (b) an effective absorbing amount of an unmodified cyclodextrin material, wherein the unmodified cyclodextrin material is selected from the group consisting of α-cyclodextrin, β-cyclodextrin, γ-cyclodextrin, and mixtures thereof; and wherein the unmodified cyclodextrin material is dispersed in the thermoplastic polymer.