About: http://webisa.webdatacommons.org/432891595

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	Suitable coloring agents include red, black, and yellow iron oxides and FD&C dyes such as FD&C Blue No. 2, FD&C Red No. 40, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com