| 摘要 |
Heat-stable composition, destined to emit insecticidal vapors by being heated, which contains at least one insecticidal substance of the family of pyrethrinoids, a stabilizer chosen from among the compounds defined by the chemical formula <IMAGE> in which R represents one or two optional alkyl radicals containing one to twelve carbon atoms, R' and R'', alike or different, represent each an alkyl radical containing one to eighteen carbon atoms, R' and R'' together can represent a divalent saturated hydrocarbon group containing two to seven carbon atoms, and R''' represents a hydrogen atom or an alkyl radical containing one to seven carbon atoms; and, optionally, an adjuvant inert to the insecticide and chosen from among diluents, thickening agents, perfumes, synergists, colorants, repellants, solid supports and comburants.
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