About: http://webisa.webdatacommons.org/110663208

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	The polyester polyols can be prepared by known procedures from a polycarboxylic acid or acid derivative, such as an anhydride or ester of the polycarboxylic acid, and any polyol component.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com