Invention Grant
- Patent Title: Fragrance dispenser with user-selectable release rate
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Application No.: US16311528Application Date: 2017-06-27
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Publication No.: US11324849B2Publication Date: 2022-05-10
- Inventor: Kannan Seshadri , Brenda K. Balderas , Jordan A. Fleischer , Fiona E. Menken , Danielle M. Schreppel
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Kenneth B. Wood
- International Application: PCT/US2017/039400 WO 20170627
- International Announcement: WO2018/005423 WO 20180104
- Main IPC: A61L9/12
- IPC: A61L9/12 ; A61L9/03 ; A61L9/04

Abstract:
A fragrance dispenser and a corresponding method of dispensing fragrance, comprising at least one receptacle having a major open end, with a porous diffuser layer occlusively overlying the major open end of the receptacle, wherein at least a sectional area of the porous diffuser layer is removable to uncover a portion of the receptacle to control of the release rate of a fragrance source. The fragrance dispenser may comprise a plurality of receptacles and the porous diffuser layer comprises a plurality of sections that are individually removable to uncover each receptacle. The fragrance dispenser could comprise a removable cover sheet that is peelably detachable from the porous diffuser layer. Porous diffuser layer could be an organic polymeric nonwoven web and/or the receptacle is made of a thermoplastic organic polymeric resin. The fragrance dispenser may further comprise a secondary diffuser layer that has 50% more permeability that the porous diffuser layer.
Public/Granted literature
- US20200306404A1 FRAGRANCE DISPENSER WITH USER-SELECTABLE RELEASE RATE Public/Granted day:2020-10-01
Information query
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