International Patent: OXIDATIVE DYEING AGENT FOR KERATIN FIBERS COMPRISING DYE COUPLER 3,4-DIMETHOXY-BENZOIC ACID; FORMULATIONS THEREOF; AND USES THEREOF

GENEVA, July 6 -- HENKEL AG & CO. KGAA filed a patent application (US2025/061114) for “OXIDATIVE DYEING AGENT FOR KERATIN FIBERS COMPRISING DYE COUPLER 3,4-DIMETHOXY-BENZOIC ACID; FORMULATIONS THEREOF; AND USES THEREOF”. With publication no. WO/2026/143108, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: A61K 8/368

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

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