About: http://webisa.webdatacommons.org/23313922

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 preferred class of organic solvents used in the extraction step comprises aliphatic ketones having at least 8 carbon atoms, particularly 8 to 14 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com