Petroliam Nasional has been granted a patent for a lubricating oil composition containing novel salts to reduce friction and wear. The composition includes one or more ionic liquids with cations and Group 6 metal mononuclear metallate anions, featuring metal sulfur bonds. GlobalData’s report on Petroliam Nasional gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Petroliam Nasional, Bioethanol production GMOs was a key innovation area identified from patents. Petroliam Nasional's grant share as of February 2024 was 71%. Grant share is based on the ratio of number of grants to total number of patents.
Ionic liquids for reducing friction and wear in lubricants
A recently granted patent (Publication Number: US11912953B2) discloses a lubricating oil composition that includes one or more base oils and one or more ionic liquids. The ionic liquids consist of cations and Group 6 metal mononuclear metallate anions, with the latter containing at least one metal sulfur bond. Specifically, the composition may include molybdenum-based anions with a charge of -2, ligated to four atoms, and coordinated with various ligands to the central metal atom.
Moreover, the patent details the inclusion of specific cations such as quaternary ammonium, phosphonium, and sulphonium cations, each with distinct alkyl or alkenyl group configurations. The composition is designed to be free of halides, urea thickeners, or substituted urea thickeners, with the ionic liquids present in a range of 0.1 wt. % to 5 wt. % and the base oils comprising 75% to 99% of the lubricant composition. Additionally, the base oils can be selected from various synthetic oils, and the composition may include additives like pour point additives, anti-foaming agents, and antioxidants. Overall, the patented lubricating oil composition is tailored for use in spark ignition engines or compression ignition engines, offering a unique combination of base oils, ionic liquids, and additives to enhance lubrication performance.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
