IP Verse

Polybutene-Free Lubricating Composition

Patent No. EP4065674 (titled "Polybutene-Free Lubricating Composition") was filed by Borealis on Nov 24, 2020. The application was issued on May 1, 2024.

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
SONNEBORN REFINED PRODUCTSJan 31, 2025TOMKINS
THE DOW CHEMICALJan 31, 2025BECK GREENER

Dossier Documents

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EP4065674

BOREALIS
Application Number
EP20811322A
Filing Date
Nov 24, 2020
Status
Granted And Under Opposition
Mar 29, 2024
Publication Date
May 1, 2024
External Links
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