About: http://webisa.webdatacommons.org/284347206

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	It is, for example, possible to use hydrogels such as polyacrylamide, polyacrylic acid, polymers with oxygen as heteroatom in the main chain, such as for example polyethylene oxide, polypropylene oxide, and polytetrahydrofuran.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com