초록

The invention provides a method of vaporizing and a device capable of thermally vaporizing a thermally vaporizable composition being drawn up by a porous absorbing body due to its capillary attraction.

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A method of vaporizing a thermally vaporizable composition comprising heating indirectly the upper portion of an absorbing body whereby the composition being drawn up through the absorbing body is volatilized off the heated upper portion of the absorbing body, said composition comprising an organic

A method of vaporizing a thermally vaporizable composition comprising heating indirectly the upper portion of an absorbing body whereby the composition being drawn up through the absorbing body is volatilized off the heated upper portion of the absorbing body, said composition comprising an organic solvent, an active ingredient and at least one compound selected from the group consisting of: 3,5-di-t-butyl-4-hydroxytoluene, 3-t-butyl-4-hydroxy-anisole, mercaptobenzimidazole, dilauryl-thio-di-propionate, 2-t-butyl-4-methoxyphenol, 3-t-butyl-4-methoxyphenol, 2,6-di-t-butyl-4-ethylphenol, stearyl-b3,5-di-t-butyl-4-hydroxyphenyl)propionate, a2,2′-methylene-bis(6-t-butyl-4-methylphenol), 4,4′-methylene-bis(2,6-di-t-butylphenol), 4,4′-butylidene-bis(6-t-butyl-3-methylphenol), 4,4′-thio-bis(6-t-butyl-3-methylphenol), 1,1-bis(4-hydroxyphenyl)-cyclohexane, 1,3,5-trimethyl-2,4,6-tris(3,5-di-t-butyl-4-hydroxybenzyl)-benzene, tris(2-methyl-4-hydroxy-5-t-butyl-phenyl)butane, tetrakis[methylene(3,5-di-t-butyl-4-hydroxyhydrocinnamate)]methane, octadecyl-3,5-di-t-butyl-4-hydroxyhydrocinnamate, phenyl-b2,2,4-trimethyl-3,3-dihydroquinoline polymer and 6-ethoxy-2,2,4-trimethyl-1,3-dihydroquinoline said composition comprising about 1% to about 10% by weight of the active ingredient and about 0.2 to about 1.0% by weight of the selected compound. A method of vaporizing a thermally vaporizable composition as defined in claim 17, wherein the active ingredient is an insecticide.