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US 12,162,810 B2Granted
Noctilucent bang snaps and preparation methods thereof
AssigneeAmerican Promotional Events, Inc.
InventorLei Zhang
Life of this patent
Estimating the term…
Abstract
Provided herein are noctilucent bang snaps capable of producing flashing light when thrown into the air after a short duration of light absorption and staying luminous for 30 minutes when scattered on the ground after falling and explosion, in order to provide the effects of nighttime visibility and ornament. A preparation method of the noctilucent bang snap is also provided that has the advantages of operational simplicity, technical stability, easy availability of raw materials, product excellence, and extremely high commercial value.
Claims14
A noctilucent bang snap comprising:
- silver, in a concentration of from 1% by weight to 2% by weight,
- sand, in a concentration of from 85% by weight to 90% by weight,
- ethanol, in a concentration of from 5% by weight to 7% by weight,
- nitric acid, in a concentration of from 1% by weight to 2% by weight, and
- noctilucent stone, in a concentration of from 1.5% by weight to 3% by weight.
2 more elements
Dependencies are inferred from the claim text.