Patent · US Active

Direct dye composition comprising at least one insoluble oxygenated compound, and processes using this composition

US7651534B2 · kind B2 · utility

6Cited by
28References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 2006
Grant dateJan 26, 2010
Priority date
Expiry dateNov 17, 2026

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K8/33
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Disclosed herein is a composition for the non-oxidizing aqueous direct dyeing of keratin materials, for example, human keratin fibers, such as the hair, comprising, in a cosmetically acceptable medium: (a) at least one water-soluble direct dye, and (b) at least one water-insoluble non-coloring oxygenated organic compound, present in an amount of at least 30% by weight relative to the total weight of the composition. Also disclosed herein is a process for direct dyeing keratin fibers comprising applying said composition to the fibers.

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