Patent ID: 8888936

Claim:
A powdery pyrotechnic mixture for the production of bang effects, or flash effects, or bang effects and flash effects, wherein the pyrotechnic mixture comprises: (a) a binary or ternary inorganic oxidizing agent mixture, wherein the binary or ternary inorganic oxidizing agent mixture comprises (i) strontum nitrate; and (ii) a first metal oxide or a first and a second metal oxide, wherein the first metal oxide is manganese dioxide, wherein the inorganic oxidizing agent mixture totals 50.0%, by weight, to 85.0%, by weight, of the pyrotechnic mixture; (b) an elementary inorganic fuel, or a mixture or an alloy of elementary inorganic fuels, wherein the elementary inorganic fuel, or mixture or alloy of elementary inorganic fuels, totals 15.0%, by weight to 40.0%, by weight, of the pyrotechnic mixture, that are in combination with a 1:1 mixture of strontium nitrate and manganese dioxide; and (c) graphite, wherein the graphite totals 0.0%, by weight, to 5.0%, by weight, of the pyrotechnic mixture.