Quaternized monoalkylenediamine nitrobenzene compounds and their use as dyes for keratinaceous fibers
US5135543A · kind A · utility
17Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1991 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | Sep 19, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Quaternized monoalkylenediamine nitrobenzene compounds of general formula ##STR1## wherein one of Z or Y is the quaternized group ##STR2## the other of Y or Z being H, alkyl hydroxyalkyl or hydroxyalkoxy when it is not said quaternized group, and the use of said compounds in the dyeing of keratinaceous fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.