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US 11,141,394 B2Granted
Carbon dioxide external preparation
OwnerMasaya Tanakainventor
Life of this patent
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Abstract
Provided is a nonaqueous carbon dioxide external preparation in single dosage form, the external preparation comprising a paste base, carbonate, an acid and/or a substance which produces an acid by hydrolysis, and alcohol. Merely by being applied onto skin, this external preparation is useful due to obtaining the effect of a specific action of carbon dioxide.
Claims4
A carbon dioxide external preparation, comprising:
- 0.2-5 mass % of carboxyvinyl polymer and/or alkyl-modified carboxyvinyl polymer as a paste base agent;
- 70-90 mass % of one or more alcohols selected from the group consisting of 1,3-butylene glycol, propylene glycol and glycerin;
- 1-10 mass % of sodium bicarbonate as a carbonate;
- and
- 1-10 mass % of malic acid and 1-10 mass % of sodium dihydrogen phosphate as an acid and/or a substance that generates an acid by hydrolysis.
2 more elements
Dependencies are inferred from the claim text.