About: http://webisa.webdatacommons.org/35545413

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	Other potentially useful sorbents are microspheres composed of alumina, silica, kyanite and other materials as enumerated in col. 6 of U.S. Pat. No. 4,256,567, Bartholic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com