About: http://webisa.webdatacommons.org/61073166

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The article of claim 2 wherein said metal oxide or metal sulfide or combinations thereof is a metal oxide.4.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com