MUMBAI, India, July 7 -- Intellectual Property India has published a patent application (202647077068 A) filed by Evonik Operations Gmbh on June 22, 2026, for Method Of Manufacturing A Tetraalkylammonium Salt.
Inventors include Gbel, Dominik Epo Country; Kraus, Erich; and Detlefsen, Sebastian Pctep Application No.
The application for the patent was published on July 03, 2026, under issue no. 27/2026.
Abstract: The present invention refers to a novel method of manufacturing a specific tetraalkylammonium salt, preferably R-DOTMA (1,2-di-O- octadecenyl-3-trimethylammoniumpropane), a novel method of manufacturing an intermediate thereof as well as a specific method of freeze-drying.
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