About: http://webisa.webdatacommons.org/385447391

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 method of claim 2 wherein R1 is an aliphatic group of from about 17 to about 21 carbon atoms, and R2 is an alkylene group of from about 2 to about 4 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com