<http://webisa.webdatacommons.org/53546837>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/prov/81044461>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/53546837> .
<http://webisa.webdatacommons.org/53546837>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/109466304>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/53546837> .
<http://webisa.webdatacommons.org/53546837>	<http://www.w3.org/ns/prov#value>	"of the base, reground PVC, rubber and rigid plastics such as polyethylene and the like may be used as fillers to reduce the production cost of the base." .