<http://webisa.webdatacommons.org/120840315>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/1184298>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/120840315> .
<http://webisa.webdatacommons.org/120840315>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/120840315>	<http://www.w3.org/ns/prov#value>	"In a third aspect, this invention is a composition for the sustained release of an active agent, comprising the active agent dispersed in a matrix comprising a block copolymer of formula X, formula Y, or formula Z, or a mixture thereof." .