Patent · US Active

Dye composition comprising a heterocyclic oxidation base and an indole coupler

US8366792B2 · kind B2 · utility

0Cited by
20References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 11, 2010
Grant dateFeb 5, 2013
Priority date
Expiry dateAug 11, 2030

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/88
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The subject of the present invention is dye composition for keratin fibers, comprising, in suitable dyeing medium, a coupler of formula (I) or addition salts thereof with an acid a particular cationic or noncationic aminopyrazolopyridine derivative. The composition of the present invention makes it possible in particular to obtain a coloring with varied, intense and/or chromatic, aesthetic and relatively nonselective shades which are highly resistant to the various attacks to which the hair may be subjected.

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