Wick-based delivery system with wick made of different...

Fluid sprinkling – spraying – and diffusing – Slow diffusers – With wick or absorbent means removing liquid from holder

Reexamination Certificate

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Details

C239S034000, C239S047000, C239S049000, C239S145000, C222S187000, C159S906000, C122S366000

Reexamination Certificate

active

07007863

ABSTRACT:
A composite wick for delivering two liquids with different properties to a surface includes a first section provided for delivering a first liquid to the surface of the wick and a second section provided for delivering a second liquid to the surface of the wick. Preferably, the first section is made of hydrophobic materials and the second section is made of hydrophilic materials. Also, a composite wick includes a first section made of either a porous ceramic-based material or a porous sand-based material and a second section made of a porous plastic material, wherein the first and second section preferably are formed as concentric cylinders, with the first section being disposed within the second section.

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