Aqueous colorant composition and use thereof
US10500149B2 · kind B2 · utility
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8Claims
0Family size
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Key dates
| Filing date | Dec 30, 2015 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Dec 30, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/884
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention refers to an aqueous colorant composition comprising poly(lactic acid) (PLA) and a colorant. The invention also refers to the uses of said composition particularly in methods for coloring hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.