发明名称 AIR FRESHENER WITH MICROPOROUS MEMBRANE
摘要 A passive dispenser of volatile liquid fragrance composition from a container thereof. The container has an orifice at its bottommost point and an isotatic hydrophobic polypropylene membrane covering the orifice. The membrane permits passage of the liquid fragrance composition therethrough in the liquid phase in order to enable the composition of the liquid transmitted through the membrane to be substantially the same as that of the liquid within the container.
申请公布号 CA1292423(C) 申请公布日期 1991.11.26
申请号 CA19880584128 申请日期 1988.11.25
申请人 BRISTOL-MYERS COMPANY 发明人 ZEMBRODT, ANTHONY R.
分类号 A61L9/01;A61L9/12 主分类号 A61L9/01
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