<http://webisa.webdatacommons.org/prov/48624416>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/140518656> .
<http://webisa.webdatacommons.org/140518656>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/140518656>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/prov/66441202>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/140518656> .
<http://webisa.webdatacommons.org/140518656>	<http://www.w3.org/ns/prov#value>	"In coke drums 49, vapors are generated, ranging from hydrogen and light hydrocarbons such as methane, up to hydrocarbons boiling in the gas oil range." .