About: http://webisa.webdatacommons.org/38952617

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	The composition of claim 11 wherein the alkali metal silicate has a ratio of SiO2 to M2 O, where M is an alkali metal, of 0.5:1 to 4.0:1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es