About: http://webisa.webdatacommons.org/431301287

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	For example, in Carlson Patent 2,297,691 there are described numerous organic and inorganic materials, including talcum powder, aluminum bronze, carbon dust, and other suitable materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es