Device for treating human keratinous material, in particular with the aid of an electric current
US11510477B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 6, 2016 |
| Grant date | Nov 29, 2022 |
| Priority date | — |
| Expiry date | Mar 16, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/327
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for treating human keratinous material, in particular with the aid of an electric current. The device includes a reservoir containing a composition, in particular cosmetic or dermatological, to be applied to the keratinous material, and an end fitting for the application of the composition contained in the reservoir, the end fitting comprising a plurality of application members and a distributor. The distributor includes at least one storage cavity for the composition and supply orifices to conduct the composition from the storage cavity or cavities to the application members, and the distributor being configured so that the flow rate of the composition arriving at the application members is identical to within 20% for at least two application members, better for each application member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.