IP Verse

Reducing Friction In Combustion Engines Through Fuel Additives

Patent No. EP4028494 (titled "Reducing Friction In Combustion Engines Through Fuel Additives") was filed by Chevron Oronite on Aug 31, 2020. The application was issued on Aug 6, 2025.

Patent Summary

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Patent Family

Patent Oppositions (2)

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.

CompanyOpposition DateRepresentative
AFTON CHEMICALMay 6, 2026J A KEMP
INNOSPECMay 6, 2026APPLEYARD LEES

Dossier Documents

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.

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EP4028494

CHEVRON ORONITE
Application Number
EP20767880A
Filing Date
Aug 31, 2020
Status
Granted And Under Opposition
Jul 4, 2025
Publication Date
Aug 6, 2025
External Links
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