About: http://webisa.webdatacommons.org/231142125

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	element and using such copolymers as light emitting materials???), and U.S. Pat. No. 5,876,864 (???Fluorene based alternating copolymers containing acetylene group and electroluminescence element???).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com