About: http://webisa.webdatacommons.org/412196126

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	When the reflective particles do not exhibit a multilayer structure, they can be composed, for example, of metal oxides, in particular of titanium or iron oxides obtained synthetically.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com