Patent · US Active

Bleaching and colouring composition for hair

US9498417B2 · kind B2 · utility

1Cited by

0References

20Claims

0Family size

Assignee

KAO GERMANY GMBH · DE

Inventors

Hartmut Möhring · Darmstadt, DE
Dominic Pratt · Darmstadt, DE

Key dates

Filing date	Dec 20, 2012
Grant date	Nov 22, 2016
Priority date	—
Expiry date	Jan 15, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/882
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Present invention relates to an aqueous composition for bleaching and coloring hair which comprises direct dyes and an oxidizable solvent in addition to a compound with a bleaching effect, an alkalizing agent and an oxidizing agent. It is furthermore the object of the present invention is the use of oxidizable solvent, preferably an aromatic or aliphatic alcohol for stabilizing a direct dye in an aqueous composition comprising at least one compound with hair bleaching effect, at least one oxidizing agent and at least one alkalizing agent.

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