MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202637067893 A) filed by Symrise AG on May 30, 2026, for Process For The Refinement Of Essential Oils By Treatment With Nitric And Acetic Acid.

Inventors include Kraft, Philip; Korte, Stephanie; Winkler, Sven; and Mansfeld, Marc.

The application for the patent was published on June 12, 2026, under issue no. 24/2026.

Abstract: The present invention relates to a method for modifying the odor profile of an essential oil or an extract thereof, to an essential oil or extract obtained or obtainable by such a method, to an aroma composition comprising such an essential oil and/or extract, to a perfumed product, preferably pharmaceutical preparation, cosmetic preparation or preparation serving for nutrition or pleasure, comprising such an essential oil and/or extract and to the use of a mixture of acetic acid and nitric acid for modifying the odor profile of an essential oil and/or extract thereof.

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