Patent · US Expired

Composition for the oxidation dyeing of keratin fibers and dyeing process using this composition

US6840966B1 · kind B1 · utility

0Cited by
5References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 22, 2003
Grant dateJan 11, 2005
Priority date
Expiry dateAug 22, 2023

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K8/66
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention relates to a ready-to-use composition for the oxidation dyeing of keratin fibres, and in particular human keratin fibres such as the hair, comprising, in a medium which is suitable for dyeing, para-phenylenediamine as first oxidation base, at least one para-aminophenol as second oxidation base, 2-methyl-5-N-(β-hydroxyethyl)aminophenol as coupler and at least one enzyme of 2-electron oxidoreductase type in the presence of at least one donor for the said enzyme, and to the dyeing process using this composition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.