About: http://webisa.webdatacommons.org/2577894

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	Following your argument, because iron and other metals exist in nature, new forms of steel should not be patentable.
http://www.w3.org/ns/prov#wasQuotedFrom	patentdocs.org