About: http://webisa.webdatacommons.org/202683196

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	However, under the conditions of the batch experiments, catalysts such as BF.sub.3, TaCl.sub.5, Ta.sub.2 O.sub.5, CoF.sub.3, V.sub.2 O.sub.5, ZrCl.sub.4, NbCl.sub.5, HgO, and WCl.sub.6 showed no catalytic activity
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com