PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The direct oxidation of toluene to benzaldehyde has been proposed and this approach appears attractive because it offers the advantage of using as gaseous reactant, instead of chlorine, a very cheap and readily available gas such as air, oxygen, or an oxygen-containing mixture with inert gas or gases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com