About: http://webisa.webdatacommons.org/122679285

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	U.S. Pat. No. 6,617,020 also discloses that ???The hydrophilic clay to be modified can be any phyllosilicate or other clay that has a sheet-like structure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au