Substituted 2-aminoalkyl-1,4-Diaminobenzene compounds and oxidation dye precursor compositions containing same
US6800097B2 · kind B2 · utility
2Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2002 |
| Grant date | Oct 5, 2004 |
| Priority date | — |
| Expiry date | Dec 10, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The oxidation hair dye precursor composition contains from 0.005 to 20.0 percent by weight of at least one coupler compound and from 0.005 to 20.0 percent by weight of at least one developer compound, which includes at least one substituted 2-aminoalkyl-1,4-diaminobenzene compound of the formula (I): New substituted 2-aminoalkyl-1,4-diaminobenzene compound of formula (I) are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.