About: http://webisa.webdatacommons.org/363398724

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	Catalysts that produce syndiotactic polypropylene or other syndiotactic polyolefins are disclosed in the aforementioned, now U.S. Pat. No. 4,892,851.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es