INTERNATIONAL PATENT: COVESTRO DEUTSCHLAND AG FILES APPLICATION FOR "METHOD FOR EFFICIENT PURIFICATION OF HEXAMETHYLENE DIAMINE OBTAINED FROM A RECYCLING PROCESS"

GENEVA, Sept. 1 -- COVESTRO DEUTSCHLAND AG (Kaiser-Wilhelm-Allee 6051373 Leverkusen) filed a patent application (PCT/EP2025/054371) for "METHOD FOR EFFICIENT PURIFICATION OF HEXAMETHYLENE DIAMINE OBTAINED FROM A RECYCLING PROCESS" on Feb 18, 2025. With publication no. WO/2025/176688, the details related to the patent application was published on Aug 28, 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): LEIMBRINK, Mathias (Batheyweg 344229 Dortmund), KRAUSE, Jonas (Kiesweg 2340764 Langenfeld), ALTUNTEPE, Emrah (Am Kirchhof 1540764 Am Kirchhof 15), BAUSA, Jurgen (Rotkappchenweg 951515 Kurten), W...