Low-smoke pyrotechnic composition for producing colored flames
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United States of America Patent
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Jul 16, 2013
Grant Date -
Feb 4, 2010
app pub date -
Oct 9, 2009
filing date -
Apr 16, 2007
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Abstract
The present invention provides a chlorine-containing pyrotechnic composition which is substantially free of per-chlorate which composition comprises a nitrocellulose which is derived from a fibrous nitrocellulose starting material that has at least partially been dissolved during the process of preparing the pyrotechnic composition, and a colorant. The invention further provides a firework article comprising said pyrotechnic composition, and a method for preparing the same.
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