Patent · US Expired

Composition for the oxidation dyeing of keratin fibers containing a cationic direct dye and dyeing process using this composition

US5993490A · kind A · utility

58Cited by
8References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 1997
Grant dateNov 30, 1999
Priority date
Expiry dateDec 19, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q5/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A ready-to-use composition for the oxidation dyeing of keratin fibers, in particular human keratin fibers such as the hair, comprising at least one oxidation base selected from para-phenylenediamines and bis(phenyl)alkylenediamines, in combination with at least one coupler selected from meta-diphenols, at least one selected cationic direct dye and at least one oxidizing agent, as well as to the dyeing process using this composition.

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