Oxidative hair dye compositions and processes utilizing leuco vat dyes
US5364415A · kind A · utility
5Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 27, 1993 |
| Grant date | Nov 15, 1994 |
| Priority date | — |
| Expiry date | May 27, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Leuco vat dyes are employed to produce brighter shades from oxidative dyes in oxidative haircoloring systems and processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.