About: http://webisa.webdatacommons.org/206329560

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	A preferred example of such a material is disclosed in the patent to Edwin H. Land, No. 2,237,567, for Light Polarizer and Process of Forming the Same.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com