N,N-diaryl alkylenediamine oxidation dye compounds
US4010200A · kind A · utility
16Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1974 |
| Grant date | Mar 1, 1977 |
| Priority date | — |
| Expiry date | Dec 5, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/411
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
N,N'-diaryl alkylene diamine oxidation dye compounds that are suitable for dyeing live human hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.