About: http://webisa.webdatacommons.org/230629063

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	The method of claim 2 wherein the amorphous carbon is a carbon black and the carbon black is preoxidized and specifically fluorinated at least to 8 percent by weight fluorine.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca