Patent · US Active

Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic surfactant

US10226647B2 · kind B2 · utility

0Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 2, 2015
Grant dateMar 12, 2019
Priority date
Expiry dateOct 2, 2035

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K8/8147
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present disclosure relates to agents for dyeing keratin fibers, in particular human hair, containing, in a cosmetic carrier, (a) at least one direct dye of formula (I), and (b) at least one anionic surfactant.

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