About: http://webisa.webdatacommons.org/378389593

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	In accordance with the process of this invention, impurities such as isobutylene, carbon monoxide, carbon dioxide, and the like, are not included in the methacrolein used in the second oxidation step.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com