About: http://webisa.webdatacommons.org/157540892

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	fillers such as diatomaceous earth, metal oxides, glass bubbles, talc, silica, and other materials may be readily included.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com