Polyarylene Ether Sulfone-Polymers For Membrane Applications

Patent No. EP3044249 (titled "Polyarylene Ether Sulfone-Polymers For Membrane Applications") was filed by Basf on Sep 4, 2014. The application was issued on Sep 13, 2023.

Patent Summary

Patent Family

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
SOLVAY SPECIALTY POLYMERS USAMar 21, 2018BENVENUTI
FRESENIUS MEDICAL CARE DEUTSCHLANDMar 20, 2018RICKER

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

EP3044249

BASF
Application Number
EP14758946A
Filing Date
Sep 4, 2014
Status
Patent Maintained As Amended
Aug 11, 2023
Publication Date
Sep 13, 2023