GENEVA, Nov. 24 -- EVONIK OPERATIONS GMBH (Rellinghauser Strasse 1-1145128 Essen) filed a patent application (PCT/EP2025/062429) for "PROCESS FOR PREPARING UNSATURATED SYMMETRIC CARBOXYLIC ANHYDRIDES" on May 07, 2025. With publication no. WO/2025/237755, the details related to the patent application was published on Nov 20, 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): KRILL, Steffen (Obergasse 3864367 Muhltal Niederbeerbach), MAY, Alexander (Battenbergstr. 5a64342 Seeheim-Jugenheim), TRESKOW, Marcel (Im Harras 964293 Darmstadt)
Abstract: The invention relates to a process for simultaneou...