About: http://webisa.webdatacommons.org/366717763

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	In general, the production of the above-mentioned non-oxide compounds involves the reaction of raw materials at an elevated temperature of 1300-1800?? C. in a non-oxidizing gas such as nitrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com