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Primacord is a brand of detonating cord used in blasting. It was developed in 1936 by the Ensign-Bickford Company.[1] Ensign-Bickford sold their registered trademark for Primacord to Dyno Nobel in 2003.[2] which manufactures it in their Graham, Kentucky factory.[citation needed] The name is also used as a genericized trademark for any detonating cord.[citation needed]