<http://webisa.webdatacommons.org/prov/24222578>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/67177200> .
<http://webisa.webdatacommons.org/67177200>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/67177200>	<http://www.w3.org/ns/prov#value>	"Vinyl polymers such as polystyrene and copolymers such as the urethanes are readily available." .
<http://webisa.webdatacommons.org/67177200>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/prov/138144599>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/67177200> .