About: http://webisa.webdatacommons.org/233056560

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 composition defined in claim 21 wherein said modifying agent is a mixture of said rare earth elements and lanthanum carbonate.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com