MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202647086003 A) filed by Shell Internationale Research on July 14, 2026, for Renewable Naphthenic Base Oil.
Inventors include Meister, Ralf Gunnar; Van Dijk, Nicolaas; Balam, Harish Kumar; De Deugd, Ronald Martijn; Hilker, Andree Number; and Null, Volker Klaus.
The application for the patent was published on July 17, 2026, under issue no. 29/2026.
Abstract: 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 base oil, and wherein the content of polynaphthenic compounds is greater than 50 wt.%, based on the renewable naphthenic base oil, and wherein at least 85 wt.% of the renewable naphthenic base oil has a boiling point greater than 280C. The renewable naphthenic base oil is preferably generated from hydropyrolysis and hydroconversion of a solid biomass containing lignocellulose. The renewable naphthenic base oil is suitable for use in a transformer oil and/or process oil and/or lubricant composition.
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