<http://webisa.webdatacommons.org/232508783>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/232508783>	<http://www.w3.org/ns/prov#value>	"such as fumed glass, which are added to produce desired viscosity, strength and other physical properties." .
<http://webisa.webdatacommons.org/prov/59146849>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/232508783> .
<http://webisa.webdatacommons.org/232508783>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .