Process for treating hair fibres
US12383038B2 · kind B2 · utility
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14Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 12, 2018 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Aug 31, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2001/008
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A process for treating hair fibres, including: (i) combing said fibres, (ii) applying vapour to said fibres, the flow rate of vapour applied being less than 1 g/min, the application of vapour being made in a confined space, and (iii) hair shaping, by heat treatment without vapour, of the hair fibres by conduction and/or by radiation. Steps (ii) and (iii) being made separately over a same zone of the hair fibres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.