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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	These additives are effective when used separately but are particularly effective when used in combination, usually in ratios of from about 90:10 to 10:90, and preferably from about 75:25 to 25:75.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com