About: http://webisa.webdatacommons.org/322640825

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	Thus, there is a problem in that existing sizing agents often contain undesirable levels of surfactants, emulsifiers and/or acidic recurring units, see e.g. U.S. Pat. No. 5,258,466.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es