Hydroxyalkyl-amino nitrodiphenylamine compounds useful as hair dyes
US4021486A · kind A · utility
3Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1975 |
| Grant date | May 3, 1977 |
| Priority date | — |
| Expiry date | Jan 14, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/065
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds useful as hair dyes of the formula: ##STR1## in which R.sup.5 is OH, -NH(lower hydroxyalkyl), -N(lower hydroxyalkyl).sub.2 or -O lower alkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.