Method for dyeing keratin fibers with indole or indoline derivatives, hydrogen peroxide and a peroxidase
US5538517A · kind A · utility
20Cited by
9References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1995 |
| Grant date | Jul 23, 1996 |
| Priority date | — |
| Expiry date | Mar 8, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/492
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for dyeing keratin fibers by applying thereto: a component (1) consisting of an aqueous dyeing medium containing a compound of formula ##STR1## wherein R.sub.1 is hydrogen or alkyl; R.sub.2 is hydrogen, alkyl or COOH; R.sub.3 is hydrogen or alkyl; X is hydrogen, OH, NH.sub.2, alkyl or alkoxy; and Y is OH or NH.sub.2 ; a component (2) consisting of an aqueous dyeing medium containing a peroxidase enzyme; and a component (3) containing hydrogen peroxide or an enzymatic hydrogen peroxide source; said component (1) being applied first and separately from component (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.