Product for dyeing keratinous material, containing aminosilicone, a chromophoric compound, preservative and a fatty constituent
US11878071B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 2, 2020 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Jun 27, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/596
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An agent for dyeing keratinous material is provided. The agent includes (a1) at least one amino-functionalized silicone polymer and (a2) at least one color-imparting compound. Further, the agent includes (a3) at least one preservative and (a4) at least one fat component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.