Multi-agent type hair treatment agent
US11523977B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | May 14, 2018 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Jun 21, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/884
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A multi-agent type hair treatment agent comprising a first composition containing component (A) and component (B); and a second composition containing component (C), wherein the weight ratio (H)/(C) of component (H) to component (C) in the second composition is less than 1. A hair treatment method comprising the steps of applying and rinsing the first composition to hair (i) and then applying the second composition to hair (ii).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.