Long-lasting flame colorant composition, device, and method...

Details Long-lasting flame colorant composition, device, and method... Long-lasting flame colorant composition, device, and method...

C - Chemistry, Metallurgy

10

L

C10L 10/00 (2006.01)

Patent

CA 2587121

A flame colorant composition, device and method incorporate inorganic metal salt particles as flame colorants, and a drying agent. The metal salts are preferably selected from among copper chloride, lithium chloride, copper sulphate, calcium chloride, potassium chloride, strontium chloride, sodium chloride and magnesium chloride, each producing a flame of a characteristic color. The drying agent is Micro-Cell E silica, prevents particle aggregation. Preferably, the components are similarly sized particles which do not exceed 0.16 centimeters (0.0625 inches) in diameter. There is also provided a dual layer envelope containing the flame colorant mixture, the inner layer a vapour barrier and the outer layer easily combustible. The device of the present invention will produce a colored flame lasting up to thirty minutes without additional components.

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