Hair dye composition
US5104413A · kind A · utility
17Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 13, 1990 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Sep 13, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/432
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A hair dye composition comprising the following three components (A), (B) and (C): PA1 (A) one or more cysteine derivatives selected from among a compound represented by the following general formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom or an acyl or alkyl group carrying one to three carbon atoms, and glutathione, or a salt thereof; PA1 (B) an aromatic alcohol and/or a compound represented by the following general formula (II): EQU R.sub.2 -OCH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 OH (II) PA1 wherein R.sub.2 represents an alkyl group carrying one to five carbon atoms; and PA1 (C) a dye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.