Patent No. EP3714719 (titled "Aerosol Delivery Device With Improved Fluid Transport") was filed by RAI Strategic on Jan 4, 2017. The application was issued on May 14, 2025.
Electronic cigarette with improved aerosol delivery by using porous monolithic materials like porous glass or ceramic for the reservoir and liquid transport element. This allows better wicking and vaporization of the e-liquid compared to traditional wicking materials. The porous monoliths have high surface area and pore structure that absorbs and transports the e-liquid efficiently to the heating element.

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