Patent · US Active

Hair coloring compositions

US12383482B2 · kind B2 · utility

0Cited by

3References

16Claims

0Family size

Assignee

Wella Germany GmBH · DE

Inventors

Viktoriya SENDYUREVA · Frankfurt am Main, DE
Manfred Schmitt · Munich, DE
Frank Veverka · Zwingenberg, DE
Felix Herkner · Eppstein, DE
Bjorn Timo Hoffmann · Darmstadt, DE

Key dates

Filing date	Nov 26, 2021
Grant date	Aug 12, 2025
Priority date	—
Expiry date	Mar 24, 2042

Classification

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

Abstract

It is provided a kit for obtaining a hair coloring composition, a hair coloring composition, and a method for treating hair. The hair coloring composition particularly provides the desired color shade and intensity, together with an enhanced root to tip evenness on hair, particularly on previously colored hair and on hair with a broad range of damage levels along hair length.

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