About: http://webisa.webdatacommons.org/299034671

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	Methods for preparing dimethylsiloxane/urethane/oxyethylene copolymers are described in patents and other literature, including the aforementioned U.S. Pat. No. 4,686,137 to Ward and Riffle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com