About: http://webisa.webdatacommons.org/121585272

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	Preferred propellants for use in this invention include the hydrocarbons such as isobutane and propane, and the chlorofluorocarbons such as dichlorodifluoromethane and trichlorofluoromethane.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk