Patent · US Expired

Coloring agent compositions and methods of treating keratin fibers therewith

US7473280B2 · kind B2 · utility

0Cited by
11References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 29, 2005
Grant dateJan 6, 2009
Priority date
Expiry dateSep 29, 2025

Classification

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

Abstract

Fiber-coloring components for dye compositions and methods for using the same, wherein the compositions comprise: (i) at least one component A comprising a compound selected from imidazo[1,5-a]pyrimidinium derivatives of general formula I, enamine counterparts of such derivatives, and mixtures thereof:and (ii) at least one component B comprising a reactive carbonyl compound.

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