<http://webisa.webdatacommons.org/prov/433074142>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/138672477> .
<http://webisa.webdatacommons.org/prov/110023711>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/138672477> .
<http://webisa.webdatacommons.org/138672477>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patentgenius.com> .
<http://webisa.webdatacommons.org/138672477>	<http://www.w3.org/ns/prov#value>	"The envelope material, which ranges from 0.001 to 0.020inches in thickness, can be formed from such polymers as cellulose acetate, crosslinked polyvinyl alcohol, polyurethane, nylon, ethylene vinyl acetate copolymer, polyolefin, polyvinyl chloride, and silicone rubber." .
<http://webisa.webdatacommons.org/138672477>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .