Back to results
US 6,599,379 B2Granted
Low-smoke nitroguanidine and nitrocellulose based pyrotechnic compositions
AssigneeDMD Systems, LLC
InventorsMichael A. Hiskey, Darren L. Naud
Life of this patent
Estimating the term…
Abstract
A low-smoke pyrotechnic composition comprising nitrocellulose; nitroguanidine; an oxidizing agent; and, at least one of a flame coloring agent and metal powder, and a method of processing the same is disclosed.
Claims26
A low-smoke producing pyrotechnic composition for producing one of a colored flame and spark producing pyrotechnic display comprising:
- nitrocellulose fuel from about 13 to about 97 percent by weight;
- nitroguanidine fuel from about 1 to about 70 percent by weight;
- an oxidizing agent from about 1 to about 68 percent by weight;
- and,
- at least one of a flame coloring agent and spark producing metal powder each from about 1 to about 20 percent by weight.
2 more elements
A method of processing a low-smoke producing pyrotechnic composition comprising:
- providing damp nitrocellulose fuel from about 13 to about 97 percent by weight;
- adding nitroguanidine fuel from about 1 to about 70 percent by weight;
- adding an oxidizing agent from about 1 to about 68 percent by weight;
- adding at least one of a flame coloring agent and a metal powder each from about 1 to about 20 percent by weight;
- and,
- mixing the low-smoke producing pyrotechnic composition.
3 more elements
A method of processing a low-smoke producing pyrotechnic composition comprising:
- providing nitrocellulose from about 30 to about 97 percent by weight;
- adding nitroguanidine from about 1 to about 70 percent by weight;
- adding an oxidizing agent from about 1 to about 68 percent by weight;
- adding at least one of a flame coloring agent and a metal powder from about 1 to about 20 percent by weight;
- and,
- mixing the low-smoke producing pyrotechnic composition.
3 more elements
Dependencies are inferred from the claim text.