Hair treatment method
US9775419B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 11, 2011 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | May 11, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2200/207
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention relates to a cosmetic hair treatment method comprising at least the steps consisting of: a) applying a mechanical tension to said hair, b) exposing said hair under mechanical tension to microwaves, in the presence of a solvent in vapor form in contact with said hair, without complete drying of the hair during microwave exposure, the solvent in vapor form being entirely generated by the evaporation of a compound which is present, before emission of the microwaves, in contact with the treated hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.