Insect repellent
AssigneeKarl Engelhard Fabrik Pharm Praparate GmbH & Co. KG.
InventorFRANK RUNKEL
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Abstract
An insect-repelling agent contains N,N-diethyl-m-toluamide (DEET) based on alcohol solutions as the active ingredient (repellent), and further contains an adjuvant that extends the period of effectiveness of DEET following application to human skin. It is proposed that the sole adjuvant is glycerol in an amount of more than 10 percent by weight of the insect-repelling.
Claims12
An insect-repelling agent containing N,N-diethyl-m-toluamide based on alcohol solutions as an active ingredient, and an adjuvant that extends a period of effectiveness of N,N-diethyl-m-toluamide following application to human skin, wherein glycerol is contained as a sole adjuvant extending said period of effectiveness, and wherein a content of glycerol is more than 10 percent by weight in terms of a total weight of said insect-repelling agent.
The use of glycerol as a sole adjuvant extending a period of effectiveness in an insect-repelling agent that contains N,N-diethyl-m-toluamide based on alcohol solutions as an active ingredient, wherein the content of glycerol being more than 10 percent by weight in terms of a total weight of said insect-repelling agent.
Dependencies are inferred from the claim text.