Kit and method for dyeing keratinous material by means of aminosilicone and a chromophoric compound
US12029808B2 · kind B2 · utility
0Cited by
1References
20Claims
0Family size
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Key dates
| Filing date | Sep 1, 2020 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | Feb 14, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/882
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The subject of the present disclosure is a process for dyeing keratinous material, in particular human hair, comprising the following steps: A second object of the present disclosure is a multi-component packaging unit which contains the two agents (a) and (b) in two separately assembled containers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.