An activated carbon-containing sorbent is capable of selectively removing one or more selected gaseous components from a gas. The activated carbon-containing sorbent can be incorporated in a smoking article to remove one or more selected components from mainstream smoke. The activated carbon-containing...http://www.google.es/patents/US7370657?utm_source=gb-gplus-sharePatente US7370657 - Activated carbon-containing sorbent
