Solid colorant for keratin fibers
US6673123B2 · kind B2 · utility
2Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2002 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Jun 14, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/065
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A shaped body is provided for preparing coloring compositions and for coloring keratin fibers. The shaped body contains at least one indole derivative, and/or at least one indoline derivative as a dye precursor. The shaped body is placed in a composition containing water to form a coloring composition that can be applied to keratin fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.