About: http://webisa.webdatacommons.org/438140045

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 the second polymerization step, the ratio between the partial pressures of propylene and the C.sub.2 -C.sub.10 -alk-1-ene(s) is usually in the range from 0.5:1 to 5:1, in particular in the range from 1:1 to 4:1.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com