<http://webisa.webdatacommons.org/81289491>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/prov/292035057>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/81289491> .
<http://webisa.webdatacommons.org/81289491>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/81289491>	<http://www.w3.org/ns/prov#value>	"materials may include synthetic materials such as ceramics and metals," .
<http://webisa.webdatacommons.org/prov/44773430>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/81289491> .