About: http://webisa.webdatacommons.org/69009985

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	Porous and non-porous materials for drug delivery, coating, and other uses are described in U.S. Pat. Nos. 5,488,015; 5,470,802; 5,428,123; 5,288,504; 5,270,047; 5,243,756; 5,130,889; 4,788,063; 3,993,072; and 3,854,480.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com