TotalEnergies has patented a method to enhance the anti-corrosion properties of lubricant compositions for electric and hybrid vehicle propulsion systems. This involves adding triazole compounds to lubricants containing specific anti-wear additives, improving their performance and longevity. GlobalData’s report on TotalEnergies 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 TotalEnergies, AI assisted CAD was a key innovation area identified from patents. TotalEnergies's grant share as of June 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Triazole compound for anti-corrosion in vehicle lubricants
The granted patent US12043814B2 outlines a method aimed at enhancing the anti-corrosion properties of lubricant compositions specifically designed for propulsion systems in electric and hybrid vehicles. The method involves the incorporation of at least one triazole compound into the lubricant, which also contains 0.5% to 2% by mass of various anti-wear additives. These additives include polysulfide additives, amine phosphates, phospho-sulfur additives, and several types of thiadiazole derivatives. The patent specifies that the triazole compounds can be selected from a range of options, including optionally substituted triazoles and benzotriazoles, with specific examples such as 1,2,3-triazole and tolyltriazole derivatives.
Additionally, the patent details the specific amounts of triazole compounds that can be used, ranging from 0.01% to 5% by mass, with a preferred concentration of 0.5% to 2%. The claims also highlight the potential applications of the lubricant composition, which includes lubricating electric motors, power electronics, rolling bearings, and transmissions within electric or hybrid vehicles. The inclusion of triazole compounds, particularly the specified derivatives, is intended to significantly reduce corrosion in these systems, thereby improving their overall performance and longevity.
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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.
