About: http://webisa.webdatacommons.org/281926145

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	However, the asymmetry of R1 and R2 are a central feature of the present invention and are believed to constitute a significant advance in the art of urethane polyacrylates.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com