PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Use of such materials as their acids or water-soluble salts, e.g., Na+, K+, NH4 +, salts, is contemplated by this invention.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com