Patent ID: 8454770

Claim:
A primer composition comprising: an explosive consisting essentially of at least one moderately insensitive explosive in an amount of about 5 wt-% to about 40 wt-% of the primer composition and optionally a sensitizer, the at least one moderately insensitive explosive chosen from nitrocellulose, pentaerythritol tetranitrate (“PETN”), 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazatetracyclo [5.5.0.0. 5,9 0 3,11 ]-dodecane (“CL-20”), cyclo-1,3,5-trimethylene-2,4,6-trinitramine (“RDX”), cyclotetramethylene tetranitramine (“HMX”), 2,4,6-trinitrotoluene (“TNT”), nitroguanidine, styphnic acid, potassium dinitrobenzofuroxan (“KDNBF”), and mixtures thereof; a plurality of nano-size fuel particles having an average particle size of about 50 nm to about 120 nm; and an oxidizer; wherein the primer composition is essentially devoid of other explosives except for the optional sensitizer and/or a propellant.