Patent · US Active

Agents for coloring fibers containing keratin

US7300472B2 · kind B2 · utility

1Cited by
10References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 2006
Grant dateNov 27, 2007
Priority date
Expiry dateJun 19, 2026

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q5/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention relates to agents for coloring fibers containing keratin, in particular, human hair, which comprise selected cationic, CH-acidic heterocycles according to formula Iin which A, R1, R2 and X− are as defined in the application, in combination with reactive carbonyl compounds, to the use of this combination in agents for coloring fibers containing keratin, for freshening up the color or nuancing fibers containing keratin which have already been colored, and to a method of coloring fibers containing keratin, in particular, human hair.

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