About: http://webisa.webdatacommons.org/193955354

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	Particularly preferred are thermoplastic polymers such as polyethylene, polypropylene, polyvinyl chloride, polystyrene, and the like, which may be readily molded into the desired shape and are sufficiently inexpensive to be disposable.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com