About: http://webisa.webdatacommons.org/421807176

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	In one embodiment, the base layer may be made of plastic, such as polyethylene terephthalate (PET), or polyester, for example, while in other embodiments, the base layer 82 may be made from other materials, such as paper.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com