Patent · US Active

Methods and kits for permanently coloring hair

US7905926B2 · kind B2 · utility

14Cited by

4References

19Claims

0Family size

Assignee

L'ORÉAL · FR

Inventors

Michael DeGeorge · Old Bridge, US
Jeremy Puco · Budd Lake, US
Delphine Allard · Westfield, US
Gilles Genain · London, GB

Key dates

Filing date	Jul 3, 2008
Grant date	Mar 15, 2011
Priority date	—
Expiry date	Jul 3, 2028

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/884
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed are methods and kits for coloring the hair involving a color base composition comprising at least one primary dye intermediate, and a developer composition comprising an oxidizing agent chosen from persulfates, perborates, percarbonates, and mixtures thereof. Preferably, the color base composition and developer composition are substantially free of an oxidation catalyst.

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