Insect repellent
OwnerReynald Royinventor
Life of this patent
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Abstract
A crystal clear, transparent insect repellent in gel form contains N,N-diethyl-m-toluamide (DEET), water, a lower alcohol, preferably ethanol, carboxypolymethylene as a gelling agent, triethanolamine for neutralizing the gelling agent, methyl and propyl paraben, a perfume for masking the odor of the DEET, and a polysorbate, preferably polyoxyethylene (20) sorbitan monolaurate for improving the texture of the gel.
Claims4
An insect repellent in gel form consisting essentially of by weight. 5 to 35% N,N-diethyl-m-toluamide;
- 40 to 60% water;
- 20-50% lower alcohol;
- 0.2 to 1.2% gelling agent selected from the group consisting of carboxypolymethylene and a lower hydroxy cellulose;
- 0.0 to 1.7% polysorbate;
- 0.1 to 1.0% base selected from the group consisting of alkali metal hydroxides and lower alcohol amines;
- and 0.15% paraben.
An insect repellent in gel form consisting essentially of by weight, 5 to 20% N,N-diethyl-m-toluamide;
- 50 to 55% water;
- 35 to 40% ethanol;
- 0.5 to 0.9% carboxypolymethylene;
- 0.0 to 1.2% polyoxyethylene (20) sorbitan monolaurate;
- 0.3 to 0.4% triethanolamine;
- 0.08 to 0.12% methyl paraben;
- 0.08 to 0.12% propyl paraben;
- and 0.3 to 0.5% perfume.
An insect repellent in gel form consisting essentially of in percentages by weight 10% N,N-diethyl-m-toluamide;
- 50.204% water;
- 37.05% ethanol;
- 0.7% carboxypolymethylene;
- 1.11% polyoxyethylene (20) sorbitan monolaurate;
- 0.336% triethanolamine;
- 0.1% methyl paraben;
- 0.1% propyl paraben and 0.4% oil of freesia.
Dependencies are inferred from the claim text.