About: http://webisa.webdatacommons.org/143335736

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	Another blowing agent such as propane, butane and pentane may be added to the mixed blowing agent of the above-specified composition in amounts which do not interfere with the objects of this invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es