About: http://webisa.webdatacommons.org/56970476

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	Also, naturally occuring polymers such as cellulose and dextran and the 2-aminoethyl derivatives of these polymers may be employed.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com