Patent No. EP3918040 (titled "Use Of A Paraffinic Hydrocarbon-Based Fuel Composition For Cleaning The Internal Parts Of Diesel Engines") was filed by Totalenergies Marketing Services on Jan 24, 2020. The application was issued on Oct 2, 2024.
A fuel composition for reducing deposits in compression ignition engines, comprising at least 85% by weight of one or more paraffinic hydrocarbon cuts derived from hydrotreated vegetable oils, having a distillation range of 100-400°C and a paraffin content of at least 90% by weight. The composition can further include additives such as quaternary ammonium salts, antioxidant agents, and metal passivating agents. The fuel composition is used in compression ignition engines, particularly diesel engines, to reduce deposits and improve engine performance.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents