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US 5,178,879 AGranted
Capsaicin gel
OwnerMichael Adekunle, James J. Flowersinventors
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Abstract
Clear, water-washable, non-greasy gels useful for topical pain relief contain capsaicin, water, alcohol and a carboxypoly-methylene emulsifier. A method of preparing the gels is disclosed.
Claims4
A clear, water-soluble, non-greasy gel consisting essentially of the following by weight:
- (a) about 0.025% to about 0.075% capsaicin;
- (b) about 0.5% to about 2% of a carboxypolymethylene emulsifying agent;
- (c) about 30% to about 45% ethyl alcohol;
- and
- (d) about 55% to about 70% water.
2 more elements
A clear, water-soluble, non-greasy gel consisting essentially of the following by weight:
- (a) about 0.025% to about 0.075% capsaicin;
- (b) about 1% of a carboxypolymethylene emulsifying agent;
- (c) about 1.5% of tetralhydroxypropyl ethylenediemine as a neutralizing agent for the carboxypolymethylene;
- (d) about 0.20% of disodium EDTA as a sequestering agent;
- (e) about 0.30% of diazolidinyl urea as an antimicrobial preservative;
- (f) about 0.20% of a surfactant;
- (g) about 38% ethyl alcohol;
- and
- (h) about 59% water.
6 more elements
Dependencies are inferred from the claim text.