Patent · US Expired

M-phenylenediamine derivatives as coupler components for the coloring of keratinic fibers

US7135047B2 · kind B2 · utility

0Cited by
15References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 22, 2005
Grant dateNov 14, 2006
Priority date
Expiry dateJun 22, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D295/13
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Agents for coloring keratinic fibers are provided which contain specific m-phenylenediamine derivatives such as N-2-(morpholine-4-yl)ethyl-m-phenylenediamine, N-3-(morpholine-4-yl)propyl-m-phenylenediamine, and N-3-(imidazole-1-yl)-propyl-m-phenylenediamine.

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