Polyetherimide/Polyphenylene Ether Sulfone Blends

Patent No. EP2164904 (titled "Polyetherimide/Polyphenylene Ether Sulfone Blends") was filed by Sabic on Jul 8, 2008. The application was issued on Mar 30, 2016.

Patent Summary

Patent Family

Patent family tree
Statuses, jurisdictions and citation links are shared on request.

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
SOLVAY SPECIALTY POLYMERS USADec 19, 2016BENVENUTI

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

EP2164904

SABIC
Application Number
EP08781489A
Filing Date
Jul 8, 2008
Status
Revoked
Jan 4, 2019
Publication Date
Mar 30, 2016