Patent · US Active

Indole-derived styryl dye comprising an alkylene linker, a dye composition comprising this dye, and a process for lightening keratin materials using this dye

US7744658B2 · kind B2 · utility

3Cited by
21References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 2008
Grant dateJun 29, 2010
Priority date
Expiry dateSep 19, 2028

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/434
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The disclosure relates to the dyeing of keratin materials using indole-derived styryl dyes comprising an alkylene linker. Disclosed herein is a dye composition comprising an indole-derived styryl dye comprising an alkylene linker, and a dyeing process with, for example, a lightening effect on keratin materials such as hair, using said composition. Disclosed herein are novel indole-derived styryl dyes comprising an alkylene linker and the uses thereof in lightening keratin materials. This composition makes it possible to obtain a coloring with a lightening effect which can be resistant and visible on dark keratin fibers.

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