Laccases with improved dyeing properties
US5948121A · kind A · utility
9Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 1998 |
| Grant date | Sep 7, 1999 |
| Priority date | — |
| Expiry date | May 22, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/86
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a permanent dyeing composition comprising a) above 0 to 1 mg enzyme protein per ml dyeing composition of microbial laccase, b) one or more dye precursor, and c) optionally one or more dye modifiers, the use of the dyeing composition for dyeing keratinous fibers, such as hair, fur, hide, and wool, and a method for permanent dyeing of keratinous fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.