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US 5,948,121 AGranted
Laccases with improved dyeing properties
AssigneeNovo Nordisk A/S
InventorsDorrit Aaslyng, Niels Henrik S.o slashed.rensen, Karen R.o slashed.rb.ae butted.k
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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.
Claims13
A dyeing composition comprising
- a) above 0 to 0.1 mg enzyme protein per ml dyeing composition of microbial laccase derived from a strain of the genus Myceliophthora, and
- b) one or more dye precursor(s).
Dependencies are inferred from the claim text.