GENEVA, Oct. 4 -- COVESTRO DEUTSCHLAND AG (Kaiser-Wilhelm-Allee 6051373 Leverkusen) filed a patent application (PCT/EP2025/058377) for "DEVICE AND METHOD FOR DISTILLING POLYISOCYANATES" on Mar 27, 2025. With publication no. WO/2025/202352, the details related to the patent application was published on Oct 02, 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): DRUMM, Christian, SCHUETZE, Mike, MEURESCH, Markus, MALBERTZ, Christoph, MERKEL, Michael

Abstract: The invention relates to a distillation device for separating monomer diisocyanate from a polyisocyanate composition. The distillation devi...