Patent · US Active

Paste-like bleaching agent and method for gentle oxidative hair lightening

US11033483B2 · kind B2 · utility

0Cited by

0References

6Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Bernd Anderheggen · Rheydt, DE
Burkhard Mueller · Goldkronach, DE

Key dates

Filing date	May 31, 2017
Grant date	Jun 15, 2021
Priority date	—
Expiry date	May 4, 2039

Classification

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

Abstract

A combination of at least one selected dicarboxylic acid having 2 to 10 carbon atoms, in combination with at least one amino acid, selected from arginine, lysine, histidine or at least one of the salts of these amino acids, form a bleaching paste in order to reduce the damage to keratinic fibres caused by an oxidative bleaching treatment.

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