Patent ID: 8066833

Claim:
A non-toxic, boron-containing, infrared tracer composition for use in with an igniter, said tracer composition having an infrared output in the range of 0.76 μm to 3.0 μm and a cool IR trace, said tracer comprising: from about 20 to about 30% by weight, or from about 45 to about 60% by weight of at least one of potassium perchlorate and sodium nitrate; from about 5 to about 16% by weight of a first fuel which consists of a boron; from about 15 to about 25% by weight, or from about 40 to about 50% by weight, of a second fuel which consists of sodium salicylate; from about 5 to about 20% by weight of a retardant which is selected from the group consisting of iron carbonate and magnesium carbonate or calcium carbonate; from about 5 to about 15% by weight of a first binder which consists of calcium resinate; and optionally up to about 7.5% by weight of a synthetic resin binder which is selected from the group consisting of a copolymer of hexafluoropropylene and vinylidene fluoride, and cellulose acetate butyrate; with the proviso that said composition excludes peroxides, and wherein the total percentage of said ingredients add up to 100%.