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US 2015/0020830 A1Published application
Electronic smoking article
AssigneeAltria Client Services LLC
InventorKent B. Koller
Life of this patent
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Abstract
An electronic smoking article includes a heater and a liquid aerosol formulation. The heater is a coil heater. The liquid aerosol formulation includes at least one aerosol former, optionally water, nicotine and phosphoric acid. The phosphoric acid is included in an amount sufficient to substantially abate corrosion of the heater.
Claims20
An electronic smoking article comprising:
- a heater formed of iron or a metal alloy containing iron;
- and
- a liquid aerosol formulation, the liquid aerosol formulation comprising:
- at least one aerosol former;
- optionally water;
- optionally nicotine;
- and
- phosphoric acid, the phosphoric acid being included in an amount sufficient to substantially abate corrosion of the heater.
5 more elements
A method of abating formation of one or more of carbonyls, formaldehyde and carbon monoxide during smoking of an electronic smoking article comprising:
- forming a liquid aerosol formulation including phosphoric acid in an amount sufficient to substantially abate corrosion of the heater.
A liquid aerosol formulation of an electronic smoking article, comprising:
- at least one aerosol former;
- optionally water;
- nicotine;
- and
- phosphoric acid in an amount sufficient to substantially abate corrosion of an iron-containing heater of an electronic smoking article.
2 more elements
Dependencies are inferred from the claim text.