About: http://webisa.webdatacommons.org/338883634

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	The membrane of claim 31, wherein the membrane is an ultrafiltration membrane, a nanofiltration membrane, a reverse osmosis membrane, or a forward osmosis membrane. 33.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com