Method for delivering a volatile material

A - Human Necessities – 61 – L

Patent

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A61L 9/04 (2006.01)

Patent

CA 2662816

A method of delivering a volatile material to the atmosphere in a continuous manner is disclosed. The method includes providing a delivery engine having a reservoir that includes a volatile material mixture. The volatile material mixture includes about 40% to about 100%, by total weight, of the volatile materials each having a vapor pressure at 25°C of less than about 0.1 torr. The delivery system also includes a microporous membrane enclosing the reservoir, wherein the microporous membrane comprises an average pore size of about 0.01 to about 0.03 microns.

La présente invention porte sur une méthode de distribution continue d'un produit volatil dans l'atmosphère. La méthode prévoit notamment un moteur de distribution comportant un réservoir contenant un mélange de produit volatil. Le mélange de produit volatil inclut environ 40 à environ 100 pour 100, par poids total, de substances volatiles, chacune des substances ayant une tension de vapeur inférieure à environ 0,1 torr à une température de 25 degrés C. Le dispositif de distribution comprend une membrane à micropores enveloppant le réservoir et dont le diamètre moyen des micropores est compris entre environ 0,1 et environ 0,3 micromètre.

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