Pyrotechnic colour composition
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United States of America Patent
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Mar 27, 2012
Grant Date -
Feb 4, 2010
app pub date -
Oct 9, 2009
filing date -
Apr 16, 2007
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Abstract
The invention provides a chlorine-containing pyrotechnic composition which comprises a binder, an oxidator, a pyrotechnic fuel, and a colorant comprising a metal salt of 5-aminotetrazole. The invention further relates to a firework article comprising such a pyrotechnic composition. In addition, the invention provides a method for preparing said colorant.
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