GENEVA, Feb. 3 -- HENKEL AG & CO. KGAA (Henkelstrasse 6740589 Dusseldorf) filed a patent application (PCT/EP2024/065316) for "IMPROVEMENT OF THE WASHING FASTNESS OF KERATIN FIBERS DYED WITH OXIDATIVE DYES BY MEANS OF A SEALING PROCESS USING CHITOSAN" on Jun 04, 2024. With publication no. WO/2025/021352, the details related to the patent application was published on Jan 30, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): SEIFERT, Sabrina (Buchenstr. 18b40599 Dusseldorf), LECHNER, Torsten (Stefenshovener Str. 2540764 Langenfeld)
Abstract:
The invention relates to a method for dyeing keratin...