Device for treating human keratin materials
US11116301B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2016 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Sep 30, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/322
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for treating human keratin materials that delivers a cosmetic or dermatological composition onto the latter together with the application of an electric current, in particular an electrophoresis device, the composition applied being contained in a cartridge carried by the device, the cartridge having a body that forms a reservoir and a piston through which a drive screw passes and which can move in the body under the effect of the relative rotation of the screw and the piston, the device comprising an electric drive motor for bringing about this relative rotation of the screw and of the piston, and an electronic circuit for controlling the electric motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.