Patent · US Expired

Solid colorant for keratin fibers

US6673123B2 · kind B2 · utility

2Cited by
15References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 2002
Grant dateJan 6, 2004
Priority date
Expiry dateJun 14, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q5/065
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A shaped body is provided for preparing coloring compositions and for coloring keratin fibers. The shaped body contains at least one indole derivative, and/or at least one indoline derivative as a dye precursor. The shaped body is placed in a composition containing water to form a coloring composition that can be applied to keratin fibers.

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