Patent · US Active

N-alkyleheteroaryl secondary para-phenylenediamine and composition comprising such a para-phenylenediamine

US7429278B2 · kind B2 · utility

0Cited by
12References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 2007
Grant dateSep 30, 2008
Priority date—
Expiry dateSep 28, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B51/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present disclosure is directed to a family of N-alkylheteroaryl secondary para-phenylenediamines, to their preparation, and to a cosmetic composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one N-alkylheteroaryl secondary para-phenylenediamine. Further disclosed herein is a process of dyeing keratin fibers, a ready-to-use composition, and a kit comprising at least two compartments.

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