Influence Of Vinylidene Substituted Aromatic Monomers On Nitrile Migration

Patent No. EP3680266 (titled "Influence Of Vinylidene Substituted Aromatic Monomers On Nitrile Migration") was filed by Trinseo Europe on Jan 9, 2019. The application was issued on Aug 27, 2025.

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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
INEOS STYROLUTION GROUPMay 27, 2026JACOBI

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.

  • Date

    Description

  • Get instant alerts for new documents

EP3680266

TRINSEO EUROPE
Application Number
EP19150930A
Filing Date
Jan 9, 2019
Status
Granted And Under Opposition
Jul 25, 2025
Publication Date
Aug 27, 2025