Neste has been granted a patent for a marine fuel blend that combines DMB or RMB type marine fuel with 0.5-50 vol-% renewable hydrotreated fuel. This blend is designed to be environmentally friendly, offering improved pour point and oxidation stability compared to traditional fuels. GlobalData’s report on Neste 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 Neste, Microscale biofuel reactors was a key innovation area identified from patents. Neste's grant share as of July 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.
Renewable hydrotreated marine fuel blend with improved properties
The granted patent US12060529B2 outlines a marine fuel blend that combines a DMB or RMB type marine fuel with a renewable hydrotreated fuel. The marine fuel has a density ranging from 860 to 960 kg/m³ at 15°C and incorporates 0.5-50 vol-% of the renewable hydrotreated fuel, which consists of paraffinic components in the carbon number range of C15-C18, making up at least 70 vol-% of the renewable component. Notably, the blend exhibits a pour point that is at least 3°C lower than the calculated pour point based on the weighted averages of the individual fuels, as well as an oxidation stability that surpasses the calculated stability of the components, adhering to the standards defined in EN16091 (2011).
Further claims specify additional characteristics of the marine fuel blend, including a maximum sulphur content of 0.5 wt-% or less, and kinematic viscosity limits of 6 cSt at 40°C for DMB type fuels and 30 cSt at 50°C for RMB type fuels. The renewable hydrotreated fuel can consist of various sources, such as hydrotreated vegetable oils, animal fats, and algae oils, with specific claims indicating higher concentrations of renewable components (up to 90 vol-%). The patent also emphasizes that the blend can be formulated without cold flow additives, enhancing its environmental profile while maintaining performance standards. Overall, the patent presents a comprehensive approach to developing a more sustainable marine fuel option that meets regulatory and operational requirements.
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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.
