Oxidative dyeing compositions comprising an 1-hexyl/heptyl-4,5-diaminopyrazole and a naphthalen-1-ol and derivatives thereof
US8444713B2 · kind B2 · utility
11Cited by
48References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2012 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Feb 16, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An oxidative dyeing composition comprising a combination of a 1-hexyl/heptyl-4,5-diaminopyrazole compound of formula (I) or a physiologically compatible, water-soluble salt thereof in combination with a naphthalen-1-ol compound of formula (II) or a physiologically compatible, water-soluble salt thereofwherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 are as defined herein and a=1 or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.