Hair colorants
US5112359A · kind A · utility
89Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1990 |
| Grant date | May 12, 1992 |
| Priority date | — |
| Expiry date | Jun 4, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/065
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Certain dispersant free substituted diaminoanthaquinone colorants are useful in hair dye compositions to more intensely color hair. Coloring kits, mousses, gels, and aerosols may contain the compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.