Patent · US Active

Dyeing composition for keratin fibers

US8709102B2 · kind B2 · utility

1Cited by

0References

18Claims

0Family size

Assignee

KAO GERMANY GMBH · DE

Inventors

Jonathan Wood · Sudbury, US
Anja Aechtner · Darmstadt, DE
Axel Blake · Floh-Seligenthal, DE

Key dates

Filing date	Dec 23, 2011
Grant date	Apr 29, 2014
Priority date	—
Expiry date	Dec 23, 2031

Classification

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

Abstract

Present invention relates to dyeing composition for keratin fibers especially human hair comprising cationic anthrachinone dye. The first object of the present invention is a dyeing composition for keratin fibers especially human hair resulting from mixing of two parts A and B wherein part A has an alkaline pH and comprises at least one cationic antraquinone dye and at least one additional dyestuff selected from direct and oxidative dyes and part B has an acidic pH and comprises at least one oxidizing agent.

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