Invention Grant
- Patent Title: E-vaping device cartridge with super absorbent polymer
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Application No.: US16413977Application Date: 2019-05-16
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Publication No.: US11338223B2Publication Date: 2022-05-24
- Inventor: Georgios Karles , Erica Sena
- Applicant: Altria Client Services LLC
- Applicant Address: US VA Richmond
- Assignee: Altria Client Services LLC
- Current Assignee: Altria Client Services LLC
- Current Assignee Address: US VA Richmond
- Agency: Harness, Dickey & Pierce, P.L.C.
- Main IPC: B01D15/22
- IPC: B01D15/22 ; A24F40/42 ; B05D5/00 ; B05D7/22 ; A24F40/10 ; A24F40/70 ; B01J20/26 ; B05D7/24 ; B65D81/26 ; D03D15/00

Abstract:
A cartridge for an e-vaping device includes a reservoir configured to hold pre-vapor formulation, a vaporizer assembly configured to draw at least some of the pre-vapor formulation from the reservoir and vaporize the drawn pre-vapor formulation to form a vapor, and a superabsorbent polymer configured to absorb free water from pre-vapor formulation held in the reservoir. The superabsorbent polymer includes a cross-linked polyacrylate copolymer that is substantially inert to the pre-vapor formulation. The superabsorbent polymer may be included in a layer on one or more surfaces in the cartridge. The layer may include the superabsorbent polymer and a binder. The superabsorbent polymer may be included with the pre-vapor formulation in a formulation mixture. The superabsorbent polymer may be included in an interior of at least one element comprising the cartridge. The superabsorbent polymer may be included in a separate compartment in the reservoir.
Public/Granted literature
- US20190269178A1 E-VAPING DEVICE CARTRIDGE WITH SUPER ABSORBENT POLYMER Public/Granted day:2019-09-05
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