About: http://webisa.webdatacommons.org/48352578

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	U.S. Pat. 4,717,017 describes a means for releasing an aromatic substance on opening of the package but that system is a one time use.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com