MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202311086409 A) filed by Shell Internationale Research Maatschappij B. V., Hague, Netherlands, on Dec. 18, 2023, for 'renewable naphthenic base oil.'

Inventor(s) include Meister Ralf Gunnar; Van Dijk Nicolaas; Balam Harish Kumar; De Deugd Ronald Martijn; Hilker Andree; and Null Volker Klaus.

The application for the patent was published on July 4, under issue no. 27/2025.

According to the abstract released by the Intellectual Property India: "A renewable naphthenic base oil comprising a mixture of mononaphthenic compounds and polynaphthenic compounds, wherein the content of mononaphthenic compounds is below 20% wt, based on the renewable naphthenic ba...