Patent · US Active

Method of coloring keratinous fibers comprising application of at least one aminopyrazolopyridine oxidation base in the absence of chemical oxidizing agents

US7648536B2 · kind B2 · utility

1Cited by

21References

11Claims

0Family size

Assignee

L'Oreal S.A. · FR

Inventors

Jean-Baptiste Saunier · Paris, FR
Aziz Fadli · Chelles, FR

Key dates

Filing date	May 9, 2008
Grant date	Jan 19, 2010
Priority date	—
Expiry date	May 9, 2028

Classification

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

Abstract

Disclosed herein are methods for coloring keratinous fibers comprising applying to the fibers a dyeing composition comprising at least one aminopyrazolopyridine base, said coloring method being performed without the addition of chemical oxidizing agents.

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