Invention Grant
- Patent Title: Selective sealing cartridge
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Application No.: US16698506Application Date: 2019-11-27
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Publication No.: US11766528B2Publication Date: 2023-09-26
- Inventor: Wenzhen Cheng , William Blake Soeters
- Applicant: L'Oreal
- Applicant Address: FR Paris
- Assignee: L'Oreal
- Current Assignee: L'Oreal
- Current Assignee Address: FR Paris
- Agency: Christensen O'Connor Johnson Kindness PLLC
- Main IPC: A61M11/06
- IPC: A61M11/06 ; A61M11/02 ; A61M39/24 ; A61M15/00 ; A61M16/14 ; A61M16/00 ; A61M16/20

Abstract:
Cartridges have a cartridge body configured to store a formulation, a formulation valve disposed in the cartridge body, and an air valve disposed in the cartridge body. The cartridge is configured to dispense the formulation through the formulation valve when the formulation valve and the air valve are each in an open state, and to not dispense the formulation when the formulation valve and the air valve are in a closed state.
Public/Granted literature
- US20210154417A1 SELECTIVE SEALING CARTRIDGE Public/Granted day:2021-05-27
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