发明名称 AIR FRESHENER DEVICE WITH CERAMIC CONTAINER AND ABSORBENT PAD
摘要 An air freshener device, comprising a container with porous ceramic walls defining a closed internal space, a closure member for selectively permitting access to and sealing the internal space, and a replaceable absorbent pad the absorbent pad being impregnated with a fragrant substance adapted for insertion into the internal space so as to occupy only a portion thereof and release fragrant vapors into the internal space at a controlled rate. The released fragrant vapors first build up within the internal space and then diffuse through the porous walls of the container for release into the atmosphere.
申请公布号 WO9426319(A1) 申请公布日期 1994.11.24
申请号 WO1994CA00266 申请日期 1994.05.17
申请人 GREENE, JOHN 发明人 GREENE, JOHN
分类号 A61L9/12;(IPC1-7):A61L9/12 主分类号 A61L9/12
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