<http://webisa.webdatacommons.org/prov/131161655>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/173976960> .
<http://webisa.webdatacommons.org/173976960>	<http://www.w3.org/ns/prov#value>	"The composition defined in claim 15 wherein the dihydrocarbyltin oxide has the formula R2 SnO wherein R is an alkyl or aryl radical and each R can be alike or different." .
<http://webisa.webdatacommons.org/173976960>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/516240704>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/173976960> .
<http://webisa.webdatacommons.org/173976960>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/299051308>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/173976960> .