Composition and method for dyeing human hair with isatin
US4750908A · kind A · utility
18Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1986 |
| Grant date | Jun 14, 1988 |
| Priority date | — |
| Expiry date | Oct 16, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/065
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to the use of 2,3-indolinedione of formula: ##STR1## for dyeing keratinous fibres, especially human hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.