Patent · US Active

Method and composition for coloring a keratinous substrate using solubilized vat dyes

US12337053B2 · kind B2 · utility

0Cited by

3References

24Claims

0Family size

Assignee

Wella Germany GmBH · DE

Inventors

Sonja Telser · Heidelberg, DE
Ingo Weber · Basel, CH
Petra Braun · Munster, DE
Markus Speckbacher · Aschaffenburg, DE

Key dates

Filing date	Aug 12, 2021
Grant date	Jun 24, 2025
Priority date	—
Expiry date	Jan 11, 2042

Classification

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

Abstract

The disclosure relates to methods for coloring keratinous substrates using solubilized vat dyes, as well as compositions and kits suitable for carrying out the methods. The disclosure also relates to novel solubilized vat dyes.

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