Red powder articles and compositions
AssigneeThe United States of America as represented by the Secretary of the Army
InventorAnton B. Weber
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Abstract
The invention concerns a red powder composition that is substitute for contional black powder. It can be loose or consolidated forms. In a four grain combination, the red powder can be used as the propelling charge in hand-held rocket signals or flares. There are new methods for preparing the powder and new methods for fabricating articles. The chemical composition of red powder is a dispersion of phenolphthalein, alkali metal nitrate and sulfur in a binder of phenolphthalein salt.
Claims7
In a pyrotechnic device adapted to expel an illuminant or flare at a substantial elevation and having an initiating charge, a propelling charge, a delay charge and an expelling charge, said charges having a cooperating relationship to cause sequential reaction of the charges and expulsion of the flare or illuminant, the improvement characterized by having at least one ctnarge being a red powder energetic composition comprising a dispersion of an alkali metal nitrate, sulfur and phenolphthalein in a binding phase, the binding phase being an alkali metal phenolphthalein salt.
Dependencies are inferred from the claim text.