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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	In a recent published European patent application No. 42252, isobutylene is prepared by dehydroisomerizing n-butane over a supported catalyst containing a Group IIIA element or compound, especially gallium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com