Patent · US Active

Hair colouring methods and kits thereof

US9339451B2 · kind B2 · utility

1Cited by

6References

19Claims

0Family size

Assignee

The Procter & Gamble Company · US

Inventors

Christoph Hans Peter Bonauer · Frankfurt, DE
Nan Wang · Shanghai, CN
Simon Paul Godfrey · Uxbridge, GB

Key dates

Filing date	Aug 21, 2014
Grant date	May 17, 2016
Priority date	—
Expiry date	Aug 21, 2034

Classification

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

Abstract

Method for coloring hair wherein a non-diluted hair coloring composition is applied to the hair, e.g. the hair roots and a diluted hair coloring composition is applied to the hair, e.g. the hair lengths and tips, wherein a dilutant composition comprising water and/or a non-aqueous liquid is added to the non-diluted hair coloring composition to obtain the diluted hair coloring composition.

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